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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 26, 2025

or

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from _______________ to ________________

Commission File Number 0-18051

DENNY’S CORPORATION

(Exact name of registrant as specified in its charter)

Delaware									13-3487402
(State or other jurisdiction of incorporation or organization)									(I.R.S. Employer Identification No.)
203 East Main Street
Spartanburg,			South Carolina						29319-0001
(Address of principal executive offices)									(Zip Code)

(864) 597-8000

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

$.01 Par Value, Common Stock

DENN

The Nasdaq Stock Market LLC

 

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes  ý No  ☐

 

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes  ý  No  ☐

 

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large Accelerated Filer

☐

Accelerated Filer

ý

Non-Accelerated Filer

☐

Smaller Reporting Company

☐

Emerging Growth Company

☐

 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes ☐   No  ý

As of April 30, 2025, 51,251,066 shares of the registrant’s common stock, par value $0.01 per share, were outstanding.

---

TABLE OF CONTENTS

 

			Page
PART I - FINANCIAL INFORMATION
Item 1.   Financial Statements (Unaudited)
Consolidated Balance Sheets			3
Consolidated Statements of Income			4
Consolidated Statements of Comprehensive Income (Loss)			5
Consolidated Statements of Shareholders' Deficit			6
Consolidated Statements of Cash Flows			7
Notes to Consolidated Financial Statements			8
Item 2.   Management's Discussion and Analysis of Financial Condition and Results of Operations			21
Item 3.   Quantitative and Qualitative Disclosures About Market Risk			29
Item 4.   Controls and Procedures			30
PART II - OTHER INFORMATION
Item 1.   Legal Proceedings			30
Item 1A.   Risk Factors			30
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds			31
Item 5. Other Information			31
Item 6.   Exhibits			32
Signatures			33

2

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PART I - FINANCIAL INFORMATION

Item 1.     Financial Statements

 

Denny’s Corporation and Subsidiaries

Consolidated Balance Sheets

(Unaudited)

			March 26, 2025						December 25, 2024
			(In thousands, except per share amounts)
Assets
Current assets:
Cash and cash equivalents			$	1,039					$	1,698
Investments			1,129						1,106
Receivables, net			17,197						24,433
Inventories			1,876						1,747
Assets held for sale			210						381
Prepaid and other current assets			10,383						10,628
Total current assets			31,834						39,993
Property, net of accumulated depreciation of $161,729 and $159,588, respectively			114,918						111,417
Finance lease right-of-use assets, net of accumulated amortization of $6,599 and $6,783, respectively			5,874						6,200
Operating lease right-of-use assets, net			126,834						124,738
Goodwill			66,357						66,357
Intangible assets, net			89,394						91,739
Deferred financing costs, net			907						1,066
Other noncurrent assets			51,957						54,764
Total assets			$	488,075					$	496,274
Liabilities
Current liabilities:
Current finance lease liabilities			$	1,253					$	1,284
Current operating lease liabilities			16,177						15,487
Accounts payable			16,731						19,985
Other current liabilities			52,145						58,842
Total current liabilities			86,306						95,598
Long-term liabilities:
Long-term debt			266,000						261,300
Noncurrent finance lease liabilities			8,960						9,284
Noncurrent operating lease liabilities			123,056						120,841
Liability for insurance claims, less current portion			5,926						5,866
Deferred income taxes, net			7,683						9,964
Other noncurrent liabilities			26,564						27,446
Total long-term liabilities			438,189						434,701
Total liabilities			524,495						530,299
Shareholders' deficit
Common stock $0.01 par value; 135,000 shares authorized; March 26, 2025: 51,649 shares issued and 51,431 outstanding; December 25, 2024: 51,329 shares issued and outstanding			$	516					$	513
Paid-in capital			1,566						—
Deficit			(2,173)						(2,499)
Accumulated other comprehensive loss, net			(35,348)						(32,039)
Treasury stock, at cost, 218 and 0 shares, respectively			(981)						—
Total shareholders' deficit			(36,420)						(34,025)
Total liabilities and shareholders' deficit			$	488,075					$	496,274

See accompanying notes

3

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Denny’s Corporation and Subsidiaries

Consolidated Statements of Income

(Unaudited)

									Quarter Ended
															March 26, 2025						March 27, 2024
															(In thousands, except per share amounts)
Revenue:
Company restaurant sales															$	53,900					$	52,342
Franchise and license revenue															57,737						57,632
Total operating revenue															111,637						109,974
Costs of company restaurant sales, excluding depreciation and amortization:
Product costs															14,211						13,311
Payroll and benefits															21,096						20,474
Occupancy															5,059						4,573
Other operating expenses															9,659						9,760
Total costs of company restaurant sales, excluding depreciation and amortization															50,025						48,118
Costs of franchise and license revenue, excluding depreciation and amortization															28,354						27,374
General and administrative expenses															20,030						21,222
Depreciation and amortization															4,107						3,581
Operating (gains), losses and other charges, net															3,911						(327)
Total operating costs and expenses, net															106,427						99,968
Operating income															5,210						10,006
Interest expense, net															4,428						4,420
Other nonoperating expense (income), net															162						(637)
Income before income taxes															620						6,223
Provision for income taxes															294						1,532
Net income															$	326					$	4,691
Net income per share - basic															$	0.01					$	0.09
Net income per share - diluted															$	0.01					$	0.09
Basic weighted average shares outstanding															52,324						53,068
Diluted weighted average shares outstanding															52,443						53,214

 

See accompanying notes

4

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Denny’s Corporation and Subsidiaries

Consolidated Statements of Comprehensive Income (Loss)

(Unaudited)

									Quarter Ended
															March 26, 2025						March 27, 2024
															(In thousands)
Net income															$	326					$	4,691
Other comprehensive income (loss), net of tax:
Minimum pension liability adjustment, net of tax of $3 and $6, respectively															8						10
Changes in the fair value of cash flow hedges, net of tax of $(912) and $2,423, respectively															(2,707)						7,175
Reclassification of cash flow hedges to interest expense, net of tax of $(271) and $(381), respectively															(804)						(1,127)
Amortization of unrealized losses related to interest rate swaps to interest expense, net of tax of $65 and $36, respectively															194						106
Other comprehensive income (loss)															(3,309)						6,164
Total comprehensive income (loss)															$	(2,983)					$	10,855

See accompanying notes

5

---

Denny’s Corporation and Subsidiaries

Consolidated Statements of Shareholders’ Deficit

For the Quarters Ended March 26, 2025 and March 27, 2024

(Unaudited)

			Common Stock												Treasury Stock												Paid-in Capital						Deficit						Accumulated Other Comprehensive Loss, Net						Total Shareholders’ Deficit
			Shares						Amount						Shares						Amount
			(In thousands)
Balance, December 25, 2024			51,329						$	513					—						$	—					$	—					$	(2,499)					$	(32,039)					$	(34,025)
Net income			—						—						—						—						—						326						—						326
Other comprehensive loss			—						—						—						—						—						—						(3,309)						(3,309)
Share-based compensation on equity classified awards, net of withholding tax			—						—						—						—						1,569						—						—						1,569
Purchase of treasury stock, including excise tax			—						—						(218)						(981)						—						—						—						(981)
Issuance of common stock for share-based compensation			320						3						—						—						(3)						—						—						—
Balance, March 26, 2025			51,649						$	516					(218)						$	(981)					$	1,566					$	(2,173)					$	(35,348)					$	(36,420)

			Common Stock												Treasury Stock												Paid-in Capital						Deficit						Accumulated Other Comprehensive Loss, Net						Total Shareholders’ Deficit
			Shares						Amount						Shares						Amount
			(In thousands)
Balance, December 27, 2023			52,906						$	529					(667)						$	(6,460)					$	6,688					$	(21,784)					$	(41,659)					$	(62,686)
Net income			—						—						—						—						—						4,691						—						4,691
Other comprehensive income			—						—						—						—						—						—						6,164						6,164
Share-based compensation on equity classified awards, net of withholding tax			—						—						—						—						850						—						—						850
Purchase of treasury stock, including excise tax			—						—						(476)						(4,763)						—						—						—						(4,763)
Issuance of common stock for share-based compensation			356						4						—						—						(4)						—						—						—
Balance, March 27, 2024			53,262						$	533					(1,143)						$	(11,223)					$	7,534					$	(17,093)					$	(35,495)					$	(55,744)

See accompanying notes

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Denny’s Corporation and Subsidiaries

Consolidated Statements of Cash Flows

(Unaudited)

			Quarter Ended
			March 26, 2025						March 27, 2024
			(In thousands)
Cash flows from operating activities:
Net income			$	326					$	4,691
Adjustments to reconcile net income to cash flows provided by operating activities:
Depreciation and amortization			4,107						3,581
Operating (gains), losses and other charges, net			3,911						(327)
Amortization on interest rate swaps, net			259						141
Amortization of deferred financing costs			159						159
Gains on investments			(23)						(6)
(Gains) losses on early termination of debt and leases			(59)						123
Deferred income tax benefit			(1,155)						(768)
Decrease of tax valuation allowance			(8)						(26)
Share-based compensation expense			2,785						2,776
Changes in assets and liabilities, excluding acquisitions and dispositions:
Receivables			7,194						4,011
Inventories			(128)						102
Prepaids and other current assets			245						3,208
Other noncurrent assets			(2,209)						860
Operating lease assets and liabilities			120						(164)
Accounts payable			(356)						(11,037)
Other accrued liabilities			(9,233)						(6,408)
Other noncurrent liabilities			(920)						(701)
Net cash flows provided by operating activities			5,015						215
Cash flows from investing activities:
Capital expenditures			(9,099)						(4,905)
Proceeds from sales of real estate and other assets			1,886						986
Investment purchases			—						(1,500)
Collections on notes receivable			41						171
Issuance of notes receivable			—						(79)
Net cash flows used in investing activities			(7,172)						(5,327)
Cash flows from financing activities:
Revolver borrowings			29,900						52,200
Revolver payments			(25,200)						(46,500)
Repayments of finance leases			(309)						(370)
Tax withholding on share-based payments			(1,000)						(1,872)
Purchase of treasury stock			(952)						(4,774)
Net bank overdrafts			(941)						2,699
Net cash flows provided by financing activities			1,498						1,383
Decrease in cash and cash equivalents			(659)						(3,729)
Cash and cash equivalents at beginning of period			1,698						4,893
Cash and cash equivalents at end of period			$	1,039					$	1,164

See accompanying notes

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Denny’s Corporation and Subsidiaries

Notes to Consolidated Financial Statements

(Unaudited)

Note 1.     Introduction and Basis of Presentation

Introduction

Denny’s Corporation, or the Company, is one of America’s largest full-service restaurant chains based on number of restaurants. As of March 26, 2025, the Company consisted of 1,557 restaurants, 1,475 of which were franchised/licensed restaurants and 82 of which were company operated.

The Company consists of the Denny’s brand ("Denny's") and the Keke’s Breakfast Café brand (“Keke’s”). As of March 26, 2025, the Denny's brand consisted of 1,491 restaurants, 1,430 of which were franchised/licensed restaurants and 61 of which were company operated. As of March 26, 2025, the Keke's brand consisted of 66 restaurants, 45 of which were franchised restaurants and 21 of which were company operated.

Basis of Presentation

Our unaudited consolidated financial statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission for interim financial information. Therefore, certain information and notes normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) have been omitted. In our opinion, all adjustments considered necessary for a fair presentation of the interim periods presented have been included. Such adjustments are of a normal and recurring nature. The preparation of these financial statements requires us to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent assets and liabilities. Actual results may differ from these estimates under different assumptions or conditions; however, we believe that our estimates are reasonable.

These interim consolidated financial statements should be read in conjunction with our consolidated financial statements and notes thereto as of and for the fiscal year ended December 25, 2024 which are contained in our audited Annual Report on Form 10-K for the fiscal year ended December 25, 2024. The results of operations for the interim periods presented are not necessarily indicative of the results for the entire fiscal year ending December 31, 2025. Our significant interim accounting policies include the recognition of advertising and marketing costs, generally in proportion to revenue, and the recognition of income taxes using an estimated annual effective rate.

Change in Presentation

Certain reclassifications have been made in the 2024 interim consolidated financial statements and notes to conform to the 2025 presentation. These reclassifications did not affect total revenues or net income.

Note 2.     Summary of Significant Accounting Policies

 

Newly Adopted Accounting Standards

In November 2023, the FASB issued ASU 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures”. The new guidance requires enhanced reportable segment disclosures to include significant segment expenses. ASU 2023-07 is effective for annual periods beginning after December 15, 2023 (our fiscal 2024) and interim periods beginning after December 15, 2024 (our fiscal 2025). The Company adopted ASU 2023-07 during the year ended December 25, 2024. The adoption of this guidance did not have a material effect on our consolidated financial statements. See Note 16 for further detail.

Accounting Standards to be Adopted

In December 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures”. The new guidance requires enhanced effective tax rate reconciliation and income taxes paid disclosures. ASU 2023-09 is effective for annual periods beginning after December 15, 2024 (our fiscal 2025). We are currently evaluating the impact that the adoption of this new guidance will have on our consolidated financial statements and will add necessary disclosures upon adoption.

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In November 2024, the FASB issued ASU 2024-03, “Disaggregation of Income Statement Expenses (Subtopic 220-40)”. The new guidance requires disaggregation of certain relevant expenses included in the consolidated statements of income. ASU 2024-03 is effective for annual periods beginning after December 15, 2026 (our fiscal 2027) and interim periods beginning after December 15, 2027 (our fiscal 2028). We are currently evaluating the impact that the adoption of this new guidance will have on our consolidated financial statements and will add necessary disclosures upon adoption.

We reviewed all other newly issued accounting pronouncements and concluded that they are either not applicable to our business or are not expected to have a material effect on our consolidated financial statements as a result of future adoption.

Note 3.     Receivables

 

Receivables consisted of the following:

			March 26, 2025						December 25, 2024
			(In thousands)
Receivables, net:
Trade accounts receivable from franchisees			$	10,677					$	15,798
Notes and loan receivables from franchisees			1,163						490
Vendor receivables			2,279						3,632
Credit card receivables			742						1,815
Other			2,828						3,140
Allowance for credit losses			(492)						(442)
Total receivables, net			$	17,197					$	24,433

Note 4.    Goodwill and Intangible Assets

Goodwill by segment consisted of the following:
			March 26, 2025						December 25, 2024
			(In thousands)
Denny’s			$	37,507					$	37,507
Other			28,850						28,850
Total goodwill			$	66,357					$	66,357

Intangible assets consisted of the following:

			March 26, 2025												December 25, 2024
			Gross Carrying Amount						Accumulated Amortization						Gross Carrying Amount						Accumulated Amortization
			(In thousands)
Intangible assets with indefinite lives:
Trade names			$	79,687					$	—					$	79,687					$	—
Liquor licenses			120						—						120						—
Intangible assets with definite lives:
Reacquired franchise rights			9,135						6,385						9,135						6,188
Franchise agreements			8,216						1,379						10,603						1,618
Intangible assets, net			$	97,158					$	7,764					$	99,545					$	7,806

Amortization expense for intangible assets with definite lives totaled $0.3 million and $0.4 million for the quarters ended March 26, 2025 and March 27, 2024, respectively.

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Note 5.     Other Current Liabilities

 

Other current liabilities consisted of the following:

			March 26, 2025						December 25, 2024
			(In thousands)
Accrued payroll			$	11,247					$	15,434
Current portion of liability for insurance claims			4,478						4,494
Accrued taxes			4,398						4,432
Accrued advertising			9,493						11,785
Gift cards			6,860						8,382
Accrued legal settlements			4,471						4,114
Accrued interest			4,173						4,368
Other			7,025						5,833
Other current liabilities			$	52,145					$	58,842

Note 6.     Fair Value of Financial Instruments

Financial assets and liabilities measured at fair value on a recurring basis are summarized below: 

			Total						Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)						Significant Other Observable Inputs (Level 2)						Significant Unobservable Inputs (Level 3)
			(In thousands)
Fair value measurements as of March 26, 2025:
Deferred compensation plan investments (1)			$	9,849					$	9,849					$	—					$	—
Interest rate swaps (2)			16,146						—						16,146						—
Investments (3)			1,129						—						1,129						—
Total			$	27,124					$	9,849					$	17,275					$	—
Fair value measurements as of December 25, 2024:
Deferred compensation plan investments (1)			$	10,400					$	10,400					$	—					$	—
Interest rate swaps (2)			20,841						—						20,841						—
Investments (3)			1,106						—						1,106						—
Total			$	32,347					$	10,400					$	21,947					$	—

(1)    The fair values of our deferred compensation plan investments are based on the closing market prices of the elected investments and are included in other noncurrent assets in our Consolidated Balance Sheets.

(2)    The fair values of our interest rate swaps are based upon Level 2 inputs, which include valuation models. The key inputs for the valuation models are quoted market prices, interest rates, forward yield curves and credit risk adjustments that are necessary to reflect the probability of default by the counterparty or us. For disclosures about the fair value measurements of our derivative instruments, see Note 7.

(3)    The fair values of our investments are valued using a readily determinable net asset value per share based on the fair value of the underlying securities. There are no significant redemption restrictions associated with these investments.

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Those assets and liabilities measured at fair value on a non-recurring basis are summarized below:

												Significant Unobservable Inputs (Level 3)						Impairment Charges
									(In thousands)
Fair value measurements as of March 26, 2025:
Assets held and used(1)(2)												$	1,546					$	1,206
Franchise agreements(1)												$	—					$	2,010
(1)			As of March 26, 2025, impaired assets were written down to their estimated fair value. To determine fair value, we used the income approach, which assumes that the future cash flows reflect current market expectations. These fair value measurements require significant judgment using Level 3 inputs, such as discounted cash flows from operations, which are not observable from the market, directly or indirectly. There is uncertainty in the projected future cash flows used in the Company's impairment analysis, which requires the use of estimates and assumptions. If actual performance does not achieve the projections, or if the assumptions used change in the future, the Company may be required to recognize impairment charges in future periods.
(2)			Assets held and used that are measured at fair value on a non-recurring basis include property, operating lease right-of-use assets, finance lease right-of-use assets, goodwill and intangible assets.

During the quarter ended March 26, 2025, we recognized impairment charges of $3.2 million related to certain of these assets. See Note 9.

The carrying amounts of cash and cash equivalents, accounts receivable, accounts payable and accrued expenses are deemed to approximate fair value due to the immediate or short-term maturity of these instruments. The fair value of notes receivable approximates the carrying value after consideration of recorded allowances and related risk-based interest rates. The liabilities under our credit facility are carried at historical cost, which approximates fair value. The fair value of our senior secured revolver approximates its carrying value since it is a variable rate facility (Level 2).

Note 7.     Long-Term Debt

The Company and certain of its subsidiaries have a credit facility consisting of a five-year $400 million senior secured revolver (with a $25 million letter of credit sublimit). The credit facility includes an accordion feature that would allow us to increase the size of the facility to $450 million. Borrowings bear a tiered interest rate, which is based on the Company's consolidated leverage ratio. The maturity date for the credit facility is August 26, 2026.

The credit facility is available for working capital, capital expenditures and other general corporate purposes. The credit facility is guaranteed by the Company and its material subsidiaries and is secured by assets of the Company and its subsidiaries, including the stock of its subsidiaries (other than its insurance captive subsidiary). It includes negative covenants that are usual for facilities and transactions of this type. The credit facility also includes certain financial covenants, including a maximum consolidated leverage ratio of 4.0 times and a minimum consolidated fixed charge coverage ratio of 1.5 times. As of March 26, 2025, our consolidated leverage ratio was 3.9 times and our consolidated fixed charge coverage ratio was 2.1 times. We were in compliance with all financial covenants as of March 26, 2025, and we expect to remain in compliance throughout the remainder of 2025.

As of March 26, 2025, we had outstanding revolver loans of $266.0 million and outstanding letters of credit under the credit facility of $16.1 million. These balances resulted in unused commitments of $117.9 million as of March 26, 2025 under the credit facility.

As of March 26, 2025, borrowings under the credit facility bore interest at a rate of Adjusted Daily Simple SOFR plus 2.25%. Letters of credit under the credit facility bore interest at a rate of 2.38%. The commitment fee, paid on the unused portion of the credit facility, was set to 0.35%.

Prior to considering the impact of our interest rate swaps, described below, the weighted-average interest rate on outstanding revolver loans was 6.65% and 6.98% as of March 26, 2025 and December 25, 2024, respectively. Taking into consideration our interest rate swaps that are designated as cash flow hedges, the weighted-average interest rate of outstanding revolver loans was 5.02% and 5.01% as of March 26, 2025 and December 25, 2024, respectively.

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Interest Rate Hedges

We have receive-variable, pay-fixed interest rate swaps to hedge the forecasted cash flows of our floating rate debt. A summary of our interest rate swaps as of March 26, 2025 is as follows:

Trade Date						Effective Date						Maturity Date						Notional Amount						Fair Value						Fixed Rate
																		(In thousands)
Swaps designated as cash flow hedges
March 20, 2015						March 29, 2018						March 31, 2025						$	120,000					$	26					2.34		%
October 1, 2015						March 29, 2018						March 31, 2026						$	50,000					$	816					2.37		%
February 15, 2018						March 31, 2020						December 31, 2033						$	66,000		(1)			$	15,304					3.09		%
Total																		$	236,000					$	16,146

(1)     The notional amounts of the swaps entered into on February 15, 2018 increased by $120 million on March 31, 2025 (subsequent to the end of the quarter) when the swaps entered into on March 20, 2015 expired and will increase periodically until they reach the maximum notional amount of $335 million on August 31, 2033.

Changes in Fair Value of Interest Rate Swaps

To the extent the swaps are highly effective in offsetting the variability of the hedged cash flows, changes in the fair value of the swaps are not included in the Consolidated Statements of Income but are reported as a component of other comprehensive income (loss). Our interest rate swaps are designated as cash flow hedges with unrealized gains and losses recorded as a component of accumulated other comprehensive loss, net.

As of March 26, 2025, the fair value of the swaps designated as cash flow hedges was an asset of $16.1 million, recorded as a component of other noncurrent assets. The designated swaps have an offsetting amount (before taxes) recorded as a component of accumulated other comprehensive loss, net in our Consolidated Balance Sheets. See Note 13 for amounts recorded in accumulated other comprehensive loss related to interest rate swaps. During the quarter ended March 26, 2025, we reclassified $1.1 million from accumulated other comprehensive loss, net as a reduction to interest expense, net. We expect to reclassify $3.5 million from accumulated other comprehensive loss, net as a reduction to interest expense, net in our Consolidated Statements of Income related to swaps designated as cash flow hedges during the next 12 months.

Amortization of Certain Amounts Included in Accumulated Other Comprehensive Loss, Net

At March 26, 2025, we had a total of $63.1 million (before taxes) included in accumulated other comprehensive loss, net related to (i) the discontinuance of hedge accounting treatment related to certain cash flow hedges in prior years and (ii) the fair value of certain swaps at the date of designation as cash flow hedges that are being amortized into our Consolidated Statements of Income as a component of interest expense, net over the remaining term of the related swap.

For the quarter ended March 26, 2025, we recorded unrealized losses of $0.3 million to interest expense, net. For the quarter ended March 27, 2024, we recorded unrealized losses of $0.1 million to interest expense, net. We expect to amortize $3.8 million from accumulated other comprehensive loss, net to interest expense, net in our Consolidated Statements of Income related to dedesignated interest rate swaps during the next 12 months.

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Note 8.     Revenues

The following table disaggregates our revenue by sales channel and type of good or service:

									Quarter Ended
															March 26, 2025						March 27, 2024
															(In thousands)
Company restaurant sales															$	53,900					$	52,342
Franchise and license revenue:
Royalties															27,837						29,306
Advertising revenue															19,073						18,138
Initial and other fees															2,874						1,816
Occupancy revenue															7,953						8,372
Franchise and license revenue															57,737						57,632
Total operating revenue															$	111,637					$	109,974

Franchise occupancy revenue consisted of the following:

									Quarter Ended
															March 26, 2025						March 27, 2024
															(In thousands)
Operating lease revenue															$	5,986					$	6,128
Variable lease revenue															1,967						2,244
Total occupancy revenue															$	7,953					$	8,372

Balances related to contracts with customers consist of receivables, contract assets, deferred franchise revenue and deferred gift card revenue. See Note 3 for details on our receivables.

Deferred franchise revenue consists primarily of the unamortized portion of initial franchise fees that are currently being amortized into revenue and amounts related to development agreements and unopened restaurants that will begin amortizing into revenue when the related restaurants are opened. Deferred franchise revenue represents our remaining performance obligations to our franchisees, excluding amounts of variable consideration related to sales-based royalties and advertising.

The components of the change in deferred franchise revenue are as follows:

			(In thousands)
Balance, December 25, 2024			$	16,968
Fees received from franchisees			337
Revenue recognized (1)			(866)
Balance, March 26, 2025			16,439
Less current portion included in other current liabilities			2,001
Deferred franchise revenue included in other noncurrent liabilities			$	14,438

(1)    Of this amount $0.8 million was included in the deferred franchise revenue balance as of December 25, 2024.

We record contract assets related to incentives and subsidies provided to franchisees related to new unit openings and/or equipment upgrades. These amounts will be recognized as a component of franchise and license revenue over the remaining term of the related franchise agreements.

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The components of the change in contract assets are as follows:

			(In thousands)
Balance, December 25, 2024			$	6,706
Franchisee deferred costs			3,285
Contract asset amortization			(322)
Balance, March 26, 2025			9,669
Less current portion included in other current assets			1,316
Contract assets included in other noncurrent assets			$	8,353

The Company purchases equipment related to various programs for franchise restaurants, including kitchen and point-of-sale system equipment. We bill our franchisees and recognize revenue when the related equipment is installed, less amounts contributed from the Company, which have been deferred as contract assets in the table above. We recognized $0.5 million of revenue, recorded as a component of initial and other fees, related to the sale of equipment to franchisees during the quarter ended March 26, 2025. We recognized $0.3 million of revenue, recorded as a component of initial and other fees, related to the sale of equipment to franchisees during the quarter ended March 27, 2024. As of March 26, 2025, we had $0.2 million in inventory and $0.6 million in receivables related to the purchased equipment. As of December 25, 2024, we had $0.2 million in inventory and $0.4 million in receivables related to the purchased equipment.

As of March 26, 2025, deferred franchise revenue, net of contract asset amortization, expected to be recognized in the future is as follows:

			(In thousands)
Remainder of 2025			$	465
2026			875
2027			851
2028			731
2029			631
Thereafter			3,217
Deferred franchise revenue, net			$	6,770

Deferred gift card liabilities consist of the unredeemed portion of gift cards sold in company restaurants and at third party locations. The balance of deferred gift card liabilities represents our remaining performance obligations to our customers. The balance of deferred gift card liabilities as of March 26, 2025 and December 25, 2024 was $6.9 million and $8.4 million, respectively. During the quarter ended March 26, 2025, we recognized revenue of $0.2 million from gift card redemptions at company restaurants.

Note 9.     Operating (Gains), Losses and Other Charges, Net

Operating (gains), losses and other charges, net consisted of the following:

									Quarter Ended
															March 26, 2025						March 27, 2024
															(In thousands)
Gains on sales of assets and other, net															$	(1,742)					$	(620)
Impairment charges															3,216						95
Restructuring charges and exit costs															2,437						198
Operating (gains), losses and other charges, net															$	3,911					$	(327)

During the quarters ended March 26, 2025 and March 27, 2024, gains on sales of assets and other, net were primarily related to the sales of real estate.

As of March 26, 2025, we had recorded assets held for sale at their carrying amount of $0.2 million (consisting of property) related to one parcel of real estate. As of December 25, 2024, we had recorded assets held for sale at their carrying amount of $0.4 million (consisting of property) related to two parcels of real estate.

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We recorded impairment charges of $3.2 million for the quarter ended March 26, 2025, primarily related to closed franchise restaurants and the relocation of certain support functions. The $3.2 million for the quarter included $2.0 million related to franchise agreements, $0.4 million related to property, and $0.8 million related to operating lease right-of-use assets.

Restructuring charges and exit costs consisted of the following:

									Quarter Ended
															March 26, 2025						March 27, 2024
															(In thousands)
Exit costs															$	40					$	42
Severance and other restructuring charges															2,397						156
Total restructuring charges and exit costs															$	2,437					$	198

Exit costs primarily consist of costs related to closed restaurants. Exit cost liabilities related to lease costs are included as a component of operating lease liabilities in our Consolidated Balance Sheets.

Severance and other restructuring charges for the quarter ended March 26, 2025 primarily consisted of severance costs resulting from the elimination of approximately 40 positions as part of a cost savings initiative. As of March 26, 2025 and December 25, 2024, we had accrued severance and other restructuring charges of $1.6 million and $0.3 million, respectively. The balance as of March 26, 2025 is expected to be paid during the next 12 months.

Note 10.     Share-Based Compensation

Total share-based compensation included as a component of general and administrative expenses was as follows:

									Quarter Ended
															March 26, 2025						March 27, 2024
															(In thousands)
Employee share awards															$	2,552					$	2,571
Restricted stock units for board members															233						205
Total share-based compensation															$	2,785					$	2,776

Employee Share Awards

During the quarter ended March 26, 2025, we granted certain employees 0.9 million performance share units (“PSUs”) with a weighted average grant date fair value of $6.73 per share that vest based on the total shareholder return (“TSR”) of our common stock compared to the TSRs of a group of peer companies. Half of these PSUs will be settled in cash, net of taxes (liability-classified awards) and half will be settled in shares of stock, net of shares withheld for taxes (equity-classified awards). As the TSR based PSUs contain a market condition, a Monte Carlo valuation was used to determine the grant date fair value. The performance period for these PSUs is the three-year fiscal period beginning December 26, 2024 and ending December 29, 2027. The PSUs will vest and be earned at the end of the performance period at which point the relative TSR achievement percentages will be applied to the vested units (from 0% to 150% of the target award).

During the quarter ended March 26, 2025, we also granted certain employees 1.3 million restricted stock units ("RSUs") with a weighted average grant date fair value of $6.26 per share. These RSUs generally vest evenly over the three-year fiscal period beginning December 26, 2024 and ending December 29, 2027. We recognize compensation cost associated with these RSU awards on a straight-line basis over the entire performance period of the award.

During the quarter ended March 26, 2025, we issued 0.3 million shares of common stock related to vested PSUs and RSUs. In addition, 0.2 million shares of common stock were withheld in lieu of taxes related to vested PSUs and RSUs.

 

As of March 26, 2025, we had $24.1 million of unrecognized compensation cost related to unvested PSU awards and RSU awards outstanding, which have a weighted average remaining contractual term of 2.2 years.

Restricted Stock Units for Board Members

As of March 26, 2025, we had $0.1 million of unrecognized compensation cost related to unvested RSU awards outstanding, which have a weighted average remaining contractual term of 0.1 years.

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Note 11.     Income Taxes

The effective income tax rate was 47.4% for the quarter ended March 26, 2025, compared 24.6% for the prior year period. The effective income tax rate for the quarter ended March 26, 2025 included discrete items relating to share-based compensation of 26.8%. We did not have similar discrete items for the quarter ended March 27, 2024.

Note 12.     Net Income Per Share

 

The amounts used for the basic and diluted net income per share calculations are summarized below:

									Quarter Ended
															March 26, 2025						March 27, 2024
															(In thousands, except per share amounts)
Net income															$	326					$	4,691
Weighted average shares outstanding - basic															52,324						53,068
Effect of dilutive share-based compensation awards															119						146
Weighted average shares outstanding - diluted															52,443						53,214
Net income per share - basic															$	0.01					$	0.09
Net income per share - diluted															$	0.01					$	0.09
Anti-dilutive share-based compensation awards															1,317						970

Note 13.     Shareholders' Deficit

Share Repurchases

Our credit facility permits the repurchase of the Company's stock and the payment of cash dividends subject to certain limitations. Our Board of Directors approves share repurchases of our common stock. Under these authorizations, we may, from time to time, purchase shares in the open market (including pre-arranged stock trading plans in accordance with the guidelines specified in Rule 10b5-1 under the Securities Exchange Act of 1934, as amended) or in privately negotiated transactions, subject to market and business conditions. Currently, we are operating under a $250 million share repurchase authorization approved by the Board of Directors in December 2019.

During the quarter ended March 26, 2025, we repurchased a total of 0.2 million shares of our common stock for $1.0 million, including excise taxes. This brings the total amount repurchased under the current authorization to $161.8 million, leaving $88.2 million that can be used to repurchase our common stock under this authorization as of March 26, 2025. Repurchased shares are included as treasury stock in our Consolidated Balance Sheets and our Consolidated Statements of Shareholders' Deficit.

In the fourth quarter of fiscal 2024, the Board approved the retirement of 2.0 million shares of treasury stock at a weighted average share price of $8.78, including excise taxes. As of March 26, 2025, 0.2 million shares were held in treasury stock.

16

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Accumulated Other Comprehensive Loss, Net

The components of the change in accumulated other comprehensive loss, net were as follows:

			Defined Benefit Plans						Derivatives						Accumulated Other Comprehensive Loss, Net
			(In thousands)
Balance as of December 25, 2024			$	(209)					$	(31,830)					$	(32,039)
Amortization of net loss (1)			10						—						10
Settlement loss recognized			1						—						1
Changes in the fair value of cash flow hedges			—						(3,619)						(3,619)
Reclassification of cash flow hedges to interest expense, net (2)			—						(1,075)						(1,075)
Amortization of unrealized losses related to interest rate swaps to interest expense, net			—						259						259
Income tax expense related to items of other comprehensive income (loss)			(3)						1,118						1,115
Balance as of March 26, 2025			$	(201)					$	(35,147)					$	(35,348)

(1)    Before-tax amount related to our defined benefit plans that was reclassified from accumulated other comprehensive loss, net and included as a component of pension expense within general and administrative expenses in our Consolidated Statements of Income during the quarter ended March 26, 2025.

(2)    Amounts reclassified from accumulated other comprehensive loss, net into interest expense, net in our Consolidated Statements of Income represent payments either (received from) or made to the counterparty for the interest rate hedges. See Note 7 for additional details.

Note 14.     Commitments and Contingencies

Legal Proceedings

There are various claims and pending legal actions against or indirectly involving us, incidental to and arising out of the ordinary course of the business. In the opinion of management, based upon information currently available, the ultimate liability with respect to these proceedings and claims will not materially affect our consolidated results of operations or financial position. 

Note 15.     Supplemental Cash Flow Information

			Quarter Ended
			March 26, 2025						March 27, 2024
			(In thousands)
Income taxes paid, net			$	314					$	355
Interest paid			$	4,250					$	4,006
Noncash investing and financing activities:
Accrued purchase of property			$	1,004					$	100
Issuance of common stock, pursuant to share-based compensation plans			$	2,001					$	3,793
Execution of finance leases			$	72					$	42
Treasury stock payable			$	29					$	88
Treasury stock excise tax payable			$	73					$	464

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Note 16. Segment Information

We manage our business by brand and as a result have identified two operating segments, Denny’s and Keke’s. In addition, we have identified Denny’s as a reportable segment. The Denny’s reportable segment includes the results of all company and franchised and licensed Denny’s restaurants. Our Keke’s operating segment, which includes the results of all company and franchised Keke's restaurants, is included in Other.

The primary sources of revenues for all operating segments are the sale of food and beverages at our company restaurants and the collection of royalties, advertising revenue, initial and other fees, including occupancy revenue, from restaurants operated by our franchisees. We do not rely on any major customer as a source of sales and the customers and assets of all operating segments are located predominantly in the United States. There are no material transactions between segments.

Management’s measure of segment income is restaurant-level operating margin. The Company defines restaurant-level operating margin as operating income excluding the following four items: general and administrative expenses, depreciation and amortization, goodwill impairment charges and operating (gains), losses and other charges, net. The Company excludes general and administrative expenses, which include primarily non restaurant-level costs associated with the support of company and franchised restaurants and other activities at their corporate office. The Company excludes depreciation and amortization expense, substantially all of which is related to company restaurant-level assets, because such expenses represent historical sunk costs which do not reflect current cash outlays for the restaurants. The Company excludes goodwill impairment charges and operating (gains), losses and other charges, net, to provide a clearer perspective of its ongoing operating performance and more relevant comparison to prior period results. The Company's chief operating decision maker (“CODM”) is our Chief Executive Officer. Restaurant-level operating margin is used by our CODM to evaluate restaurant-level operating efficiency and performance and make key operating decisions.

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The following tables present revenues by segment and a reconciliation of restaurant-level operating margin to net income:

									Quarter Ended March 26, 2025
																					Denny's						Other						Total
Revenues									(In thousands)
Company restaurant sales																					$	45,706					$	8,194					$	53,900
Franchise and license revenue:
Royalties																					$	26,592					$	1,245					$	27,837
Advertising revenue																					$	18,620					$	453					$	19,073
Initial and other fees																					$	2,729					$	145					$	2,874
Occupancy revenue																					$	7,920					$	33					$	7,953
Total franchise and license revenue																					55,861						1,876						57,737
Total operating revenue																					$	101,567					$	10,070					$	111,637
Cost and expenses
Costs of company restaurant sales, excluding depreciation and amortization:
Product costs																					$	11,719					$	2,492					$	14,211
Payroll and benefits																					17,693						3,403						21,096
Occupancy costs																					3,997						1,062						5,059
Other operating expenses:
Utilities																					1,459						235						1,694
Repairs and maintenance																					764						72						836
Marketing																					1,813						215						2,028
Legal settlements																					425						(20)						405
Pre-opening costs																					—						709						709
Other direct costs																					3,310						677						3,987
Total costs of company restaurant sales, excluding depreciation and amortization																					41,180						8,845						50,025
Costs of franchise and license revenue, excluding depreciation and amortization:
Advertising costs																					18,620						453						19,073
Occupancy costs																					4,900						33						4,933
Other direct costs																					3,940						408						4,348
Total costs of franchise and license revenue, excluding depreciation and amortization																					27,460						894						28,354
Total restaurant-level operating margin																					32,927						331						33,258
Reconciliation of restaurant-level operating margin to net income
General and administrative expenses																																	20,030
Depreciation and amortization																																	4,107
Operating (gains), losses and other charges, net																																	3,911
Total other operating expenses																																	28,048
Operating income																																	5,210
Interest expense, net																																	4,428
Other nonoperating expense, net																																	162
Income before income taxes																																	620
Provision for income taxes																																	294
Net income																																	$	326

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									Quarter Ended March 27, 2024
																					Denny's						Other						Total
Revenues									(In thousands)
Company restaurant sales																					$	48,168					$	4,174					$	52,342
Franchise and license revenue:
Royalties																					$	28,049					$	1,257					$	29,306
Advertising revenue																					$	17,680					$	458					$	18,138
Initial and other fees																					$	1,743					$	73					$	1,816
Occupancy revenue																					$	8,372					$	—					$	8,372
Total franchise and license revenue																					55,844						1,788						57,632
Total operating revenue																					$	104,012					$	5,962					$	109,974
Cost and expenses
Costs of company restaurant sales, excluding depreciation and amortization:
Product costs																					$	12,204					$	1,107					$	13,311
Payroll and benefits																					18,657						1,817						20,474
Occupancy costs																					4,013						560						4,573
Other operating expenses:
Utilities																					1,547						108						1,655
Repairs and maintenance																					977						28						1,005
Marketing																					1,481						123						1,604
Legal settlements																					1,449						—						1,449
Pre-opening costs																					—						366						366
Other direct costs																					3,230						451						3,681
Total costs of company restaurant sales, excluding depreciation and amortization																					43,558						4,560						48,118
Costs of franchise and license revenue, excluding depreciation and amortization:
Advertising costs																					17,680						458						18,138
Occupancy costs																					5,132						—						5,132
Other direct costs																					3,981						123						4,104
Total costs of franchise and license revenue, excluding depreciation and amortization																					26,793						581						27,374
Total restaurant-level operating margin																					33,661						821						34,482
Reconciliation of restaurant-level operating margin to net income
General and administrative expenses																																	21,222
Depreciation and amortization																																	3,581
Operating (gains), losses and other charges, net																																	(327)
Total other operating expenses																																	24,476
Operating income																																	10,006
Interest expense, net																																	4,420
Other nonoperating income, net																																	(637)
Income before income taxes																																	6,223
Provision for income taxes																																	1,532
Net income																																	$	4,691

			March 26, 2025						December 25, 2024
Segment assets:			(In thousands)
Denny’s			$	329,988					$	344,986
Other			158,087						151,288
Total assets			$	488,075					$	496,274

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Item 2.     Management’s Discussion and Analysis of Financial Condition and Results of Operations

The following Management’s Discussion and Analysis of Financial Condition and Results of Operations ("MD&A") should be read in conjunction with our consolidated financial statements and the notes thereto that appear elsewhere in this report and the MD&A contained in our Annual Report on Form 10-K for the fiscal year ended December 25, 2024.

Forward-Looking Statements

This report includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, as codified in Section 27A of the Securities Act of 1933, as amended and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). The Company urges caution in considering its current trends and any outlook on its operations and financial results disclosed in this report. In addition, certain matters discussed in this report may constitute forward-looking statements. These forward-looking statements, which reflect management's best judgment based on factors currently known, are intended to speak only as of the date such statements are made and involve risks, uncertainties, and other factors that may cause the actual performance of Denny’s Corporation, its subsidiaries, and underlying restaurants to be materially different from the performance indicated or implied by such statements. Words such as “expect”, “anticipate”, “believe”, “intend”, “plan”, “hope”, "will" and variations of such words and similar expressions are intended to identify such forward-looking statements. Except as may be required by law, the Company expressly disclaims any obligation to update these forward-looking statements to reflect events or circumstances after the date of this report or to reflect the occurrence of unanticipated events. Factors that could cause actual performance to differ materially from the performance indicated by these forward-looking statements include, among others: economic, public health and political conditions that impact consumer confidence and spending; commodity and labor inflation; the potential impacts of tariffs; the ability to effectively staff restaurants and support personnel; our ability to maintain adequate levels of liquidity for our cash needs, including debt obligations, payment of dividends, planned share repurchases and capital expenditures as well as the ability of our customers, suppliers, franchisees and lenders to access sources of liquidity to provide for their own cash needs; competitive pressures from within the restaurant industry; our ability to derive the expected benefits from our acquisition of Keke's; the level of success of our operating initiatives and advertising and promotional efforts; adverse publicity; health concerns arising from food-related pandemics, outbreaks of flu viruses, or other diseases; changes in business strategy or development plans; terms and availability of capital; regional weather conditions; overall changes in the general economy (including with regard to energy costs), particularly at the retail level; political environment and geopolitical events (including acts of war and terrorism); and other factors from time to time set forth in the Company’s SEC reports and other filings, including but not limited to the discussion in Management’s Discussion and Analysis and the risks identified in Item 1A. Risk Factors contained in the Company’s Annual Report on Form 10-K for the fiscal year ended December 25, 2024 and in the Company's subsequent quarterly reports on Form 10-Q.

Overview

We manage our business by brand and as a result have identified two operating segments, Denny’s and Keke’s. As of March 26, 2025, the Denny's brand consisted of 1,491 restaurants, 1,430 of which were franchised/licensed restaurants and 61 of which were company operated. At March 26, 2025, the Keke's brand consisted of 66 restaurants, 45 of which were franchised restaurants and 21 of which were company operated.

In addition, we have identified Denny’s as a reportable segment. The Denny’s reportable segment includes the results of all company and franchised and licensed Denny’s restaurants. Total revenues at Keke’s for the quarter ended March 26, 2025 represented less than 10% of total consolidated revenues. Therefore, the Keke’s operating segment is included in Other for segment reporting purposes.

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Statements of Income

 

The following table contains information derived from our Consolidated Statements of Income expressed as a percentage of total operating revenue, except as noted below. Percentages may not add due to rounding.

									Quarter Ended
															March 26, 2025												March 27, 2024
																											(In thousands)
Revenue:
Company restaurant sales																											$	53,900					48.3		%				$	52,342					47.6		%
Franchise and license revenue																											57,737						51.7		%				57,632						52.4		%
Total operating revenue																											111,637						100.0		%				109,974						100.0		%
Costs of company restaurant sales, excluding depreciation and amortization (a):
Product costs																											14,211						26.4		%				13,311						25.4		%
Payroll and benefits																											21,096						39.1		%				20,474						39.1		%
Occupancy																											5,059						9.4		%				4,573						8.7		%
Other operating expenses																											9,659						17.9		%				9,760						18.6		%
Total costs of company restaurant sales, excluding depreciation and amortization																											50,025						92.8		%				48,118						91.9		%
Costs of franchise and license revenue, excluding depreciation and amortization (a)																											28,354						49.1		%				27,374						47.5		%
General and administrative expenses																											20,030						17.9		%				21,222						19.3		%
Depreciation and amortization																											4,107						3.7		%				3,581						3.3		%
Operating (gains), losses and other charges, net																											3,911						3.5		%				(327)						(0.3)		%
Total operating costs and expenses, net																											106,427						95.3		%				99,968						90.9		%
Operating income																											5,210						4.7		%				10,006						9.1		%
Interest expense, net																											4,428						4.0		%				4,420						4.0		%
Other nonoperating expense (income), net																											162						0.1		%				(637)						(0.6)		%
Income before income taxes																											620						0.6		%				6,223						5.7		%
Provision for income taxes																											294						0.3		%				1,532						1.4		%
Net income																											$	326					0.3		%				$	4,691					4.3		%

            

(a)Costs of company restaurant sales percentages are as a percentage of company restaurant sales. Costs of franchise and license revenue percentages are as a percentage of franchise and license revenue. All other percentages are as a percentage of total operating revenue.

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Statistical Data									Quarter Ended
															March 26, 2025						March 27, 2024
															(Dollars in thousands)
Denny's
Company average unit sales															$757						$743
Franchise average unit sales															$452						$457
Company equivalent units (a)															60						65
Franchise equivalent units (a)															1,434						1,501
Company same-restaurant sales decrease vs. prior year (b)(c)															(0.9)%						(3.0)%
Domestic franchise same-restaurant sales decrease vs. prior year (b)(c)															(3.2)%						(1.2)%
Keke's
Company average unit sales															$411						$455
Franchise average unit sales															$513						$472
Company equivalent units (a)															20						9
Franchise equivalent units (a)															46						50
Company same-restaurant sales increase (decrease) vs. prior year (b)(c)															0.5%						(1.1)%
Franchise same-restaurant sales increase (decrease) vs. prior year (b)(c)															4.9%						(4.0)%

            

(a)Equivalent units are calculated as the weighted average number of units in operation during a defined time period.

(b)Same-restaurant sales include sales from company restaurants or non-consolidated franchised and licensed restaurants that were open during the comparable periods noted.

(c)Prior year amounts have not been restated for 2025 comparable units.

Unit Activity									Quarter Ended
															March 26, 2025						March 27, 2024
Denny's
Company restaurants, beginning of period															61						65
Units opened															—						—
Units closed															—						(1)
End of period															61						64
Franchised and licensed restaurants, beginning of period															1,438						1,508
Units opened															6						5
Units closed															(14)						(24)
End of period															1,430						1,489
Total restaurants, end of period															1,491						1,553

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									Quarter Ended
															March 26, 2025						March 27, 2024
Keke's
Company restaurants, beginning of period															14						8
Units opened															2						3
Units acquired from franchisees															5						—
End of period															21						11
Franchised restaurants, beginning of period															55						50
Units opened															1						—
Units acquired by Company															(5)						—
Units closed															(6)						—
End of period															45						50
Total restaurants, end of period															66						61

Company Restaurant Operations

 

Company restaurant sales increased $1.6 million, or 3.0%, for the quarter ended March 26, 2025 compared to the prior year period, primarily resulting from an increase of 11 Keke's equivalent units, partially offset by five fewer Denny's equivalent units.

Total costs of company restaurant sales as a percentage of company restaurant sales were 92.8% for the quarter ended March 26, 2025 compared to 91.9% for the prior year period.

Product costs as a percentage of company restaurant sales were 26.4% for the quarter ended March 26, 2025 compared to 25.4% for the prior year period, primarily due to higher commodity costs heavily impacted by higher egg prices, partially offset by increased pricing.

Payroll and benefits as a percentage of company restaurant sales remained flat at 39.1% for the quarter ended March 26, 2025 and the prior year period.

Occupancy costs as a percentage of company restaurant sales were 9.4% for the quarter ended March 26, 2025 compared to 8.7% for the prior year period, primarily due to higher rents at new restaurants, partially offset by a 0.2 percentage point decrease in general liability insurance costs.

Other operating expenses consist of the following amounts and percentages of company restaurant sales:

									Quarter Ended
															March 26, 2025												March 27, 2024
																											(In thousands)
Utilities																											$	1,694					3.1		%				$	1,655					3.2		%
Repairs and maintenance																											836						1.6		%				1,005						1.9		%
Marketing																											2,028						3.8		%				1,604						3.1		%
Legal settlements																											405						0.8		%				1,449						2.8		%
Pre-opening costs																											709						1.3		%				366						0.7		%
Other direct costs																											3,987						7.4		%				3,681						7.0		%
Other operating expenses																											$	9,659					17.9		%				$	9,760					18.6		%

The decrease in other operating expenses for the quarter ended March 26, 2025 was primarily due to a decrease in legal settlement costs related to unfavorable developments in certain claims during the prior year period, partially offset by an increase in marketing and pre-opening costs.

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Franchise Operations

Franchise and license revenue and costs of franchise and license revenue consisted of the following amounts and percentages of franchise and license revenue for the periods indicated:

									Quarter Ended
															March 26, 2025												March 27, 2024
																											(In thousands)
Royalties																											$	27,837					48.2		%				$	29,306					50.8		%
Advertising revenue																											19,073						33.0		%				18,138						31.5		%
Initial and other fees																											2,874						5.0		%				1,816						3.2		%
Occupancy revenue																											7,953						13.8		%				8,372						14.5		%
Franchise and license revenue																											$	57,737					100.0		%				$	57,632					100.0		%
Advertising costs																											$	19,073					33.0		%				$	18,138					31.5		%
Occupancy costs																											4,933						8.5		%				5,132						8.9		%
Other direct franchise costs																											4,348						7.5		%				4,104						7.1		%
Costs of franchise and license revenue																											$	28,354					49.1		%				$	27,374					47.5		%

Franchise and license revenue increased $0.1 million, or 0.2%, for the quarter ended March 26, 2025 compared to the prior year period. Royalties decreased $1.5 million, or 5.0%, for the current quarter compared to the prior year period. The decrease in royalties primarily resulted from a 3.2% decrease in Denny's domestic franchise same-restaurant sales and a decrease of 67 Denny's franchise equivalent units for the current quarter compared to the prior year period.

Advertising revenue increased $0.9 million, or 5.2%, for the quarter ended March 26, 2025 compared to the prior year period. The increase in advertising revenue primarily resulted from a $1.8 million increase in local advertising co-op contributions, partially offset by the impact from a 3.2% decrease in Denny's domestic franchise same-restaurant sales and a decrease of 67 Denny's franchise equivalent units.

Initial and other fees increased $1.1 million, or 58.3%, for the quarter ended March 26, 2025 compared to the prior year period. The increase in initial and other fees primarily resulted from the collection of a $0.6 million early franchise termination fee. Occupancy revenue decreased $0.4 million, or 5.0%, for the current quarter compared to the prior year period, primarily due to lease terminations and decreased percentage rent income.

Costs of franchise and license revenue increased $1.0 million, or 3.6%, for the quarter ended March 26, 2025 compared to the prior year period. Advertising costs increased $0.9 million, or 5.2%, for the current quarter, which corresponds to the related advertising revenue increase noted above. Occupancy costs decreased $0.2 million, or 3.9%, for the current quarter compared to the prior year period, primarily due to lease terminations, which corresponds to the related occupancy revenue decrease noted above. Other direct franchise costs increased $0.2 million, or 5.9%, for the current quarter compared to the prior year period. The increase in other direct franchise costs was primarily due to a $0.2 million increase in bad debt expense. As a result of the changes in franchise and license revenue discussed above, costs of franchise and license revenue increased to 49.1% of franchise and license revenue for the quarter ended March 26, 2025 from 47.5% for the prior year period.

Other Operating Costs and Expenses

Other operating costs and expenses such as general and administrative expenses and depreciation and amortization expense relate to both company and franchise operations.

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General and administrative expenses consisted of the following:

									Quarter Ended
															March 26, 2025						March 27, 2024
															(In thousands)
Corporate administrative expenses															$	15,244					$	15,192
Share-based compensation															2,785						2,776
Incentive compensation															2,257						2,523
Deferred compensation valuation adjustments															(256)						731
Total general and administrative expenses															$	20,030					$	21,222

Total general and administrative expenses decreased $1.2 million for the quarter ended March 26, 2025 compared to the prior year period. The decrease was primarily due to a $1.0 million decrease in deferred compensation valuation adjustments due to market performance and a $0.3 million decrease in incentive compensation. Changes in deferred compensation valuation adjustments have offsetting gains or losses on the underlying nonqualified deferred plan investments included as a component of other non-operating expense (income), net, for the corresponding periods.

 

Depreciation and amortization consisted of the following:

									Quarter Ended
															March 26, 2025						March 27, 2024
															(In thousands)
Depreciation of property and equipment															$	3,270					$	2,655
Amortization of finance lease ROU assets															308						352
Amortization of intangible and other assets															529						574
Total depreciation and amortization expense															$	4,107					$	3,581

The increase in total deprecation and amortization expense for the quarter ended March 26, 2025 was primarily due to new Keke's units.

Operating (gains), losses and other charges, net consisted of the following:

									Quarter Ended
															March 26, 2025						March 27, 2024
															(In thousands)
Gains on sales of assets and other, net															$	(1,742)					$	(620)
Impairment charges															3,216						95
Restructuring charges and exit costs															2,437						198
Operating (gains), losses and other charges, net															$	3,911					$	(327)

Gains on sales of assets and other, net for the quarters ended March 26, 2025 and March 27, 2024 were primarily related to the sale of real estate.

We recorded impairment charges of $3.2 million during the quarter ended March 26, 2025, primarily related to closed franchise restaurants and the relocation of certain support functions.

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Restructuring charges and exit costs consisted of the following:

									Quarter Ended
															March 26, 2025						March 27, 2024
															(In thousands)
Exit costs															$	40					$	42
Severance and other restructuring charges															2,397						156
Total restructuring and exit costs															$	2,437					$	198

Total restructuring and exits costs for the quarter ended March 26, 2025 primarily consisted of severance costs resulting from the elimination of approximately 40 positions as part of a cost savings initiative.

Operating income was $5.2 million for the current quarter compared to $10.0 million for the prior year period.

Interest expense, net consisted of the following:

									Quarter Ended
															March 26, 2025						March 27, 2024
															(In thousands)
Interest on credit facility															$	4,547					$	5,057
Interest income on interest rate swaps															(1,075)						(1,508)
Interest on finance lease liabilities															470						509
Letters of credit and other fees															112						132
Interest income															(44)						(71)
Total cash interest, net															4,010						4,119
Amortization of deferred financing costs															159						159
Amortization of interest rate swap losses															259						142
Total interest expense, net															$	4,428					$	4,420

    

Other nonoperating expense, net increased $0.8 million for the current quarter compared to the prior year period. The increase was due to increased losses of $1.0 million on deferred compensation plan investments, partially offset by increased lease termination gains of $0.2 million.

Provision for income taxes was $0.3 million for the quarter ended March 26, 2025 compared to $1.5 million for the prior year period. The effective tax rate was 47.4% for the current quarter compared to 24.6% for the prior year period. We expect the 2025 fiscal year effective tax rate to be between 22% and 26%. The annual effective tax rate cannot be determined until the end of the fiscal year; therefore, the actual rate could differ from our current estimates.

Net income was $0.3 million for the quarter ended March 26, 2025 compared to $4.7 million for the prior year period.

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Liquidity and Capital Resources

Our primary sources of liquidity and capital resources are cash generated from operations and borrowings under our credit facility (as described below). Principal uses of cash are operating expenses, capital expenditures, and the repurchase of shares of our common stock.

The following table presents a summary of our sources and uses of cash and cash equivalents for the periods indicated:

			Quarter Ended
			March 26, 2025						March 27, 2024
			(In thousands)
Net cash provided by operating activities			$	5,015					$	215
Net cash used in investing activities			(7,172)						(5,327)
Net cash provided by financing activities			1,498						1,383
Decrease in cash and cash equivalents			$	(659)					$	(3,729)

  

Net cash flows provided by operating activities were $5.0 million for the quarter ended March 26, 2025 compared to $0.2 million for the quarter ended March 27, 2024. The increase in net cash flows provided by operating activities was primarily due to the timing of accounts payable payments and receivable collections. We believe that our estimated cash flows from operations, combined with our capacity for additional borrowings under our credit facility and cash on hand, will enable us to meet our anticipated cash requirements and fund capital expenditures over the next 12 months.

 

Net cash flows used in investing activities were $7.2 million for the quarter ended March 26, 2025. These cash flows included capital expenditures of $9.1 million, partially offset by net proceeds from the sale of real estate of $1.9 million. Net cash flows used in investing activities were $5.3 million for the quarter ended March 27, 2024. These cash flows included capital expenditures of $4.9 million and investment purchases of $1.5 million, partially offset by net proceeds from the sale of real estate of $1.0 million.

Our principal capital requirements have been largely associated with the following:  

			Quarter Ended
			March 26, 2025						March 27, 2024
			(In thousands)
Facilities			$	2,034					$	867
New construction			5,264						3,605
Remodeling			1,446						18
Information technology			105						333
Other			250						82
Capital expenditures			$	9,099					$	4,905

 

Net cash flows provided by financing activities were $1.5 million for the quarter ended March 26, 2025, including net long-term debt borrowings of $4.4 million, partially offset by cash payments of tax withholding on share-based compensation of $1.0 million, payments for stock repurchases of $1.0 million and net bank overdraft payments of $0.9 million. Net cash flows provided by financing activities were $1.4 million for the quarter ended March 27, 2024, which included net long-term debt borrowings of $5.3 million and net bank overdraft borrowings of $2.7 million, partially offset by cash payments for stock repurchases of $4.8 million and payments of tax withholding on share-based compensation of $1.9 million.

Our working capital deficit was $54.5 million at March 26, 2025 compared to $55.6 million at December 25, 2024, primarily due to a decrease in accounts payable and other accrued liabilities, partially offset by a decrease in current assets during the quarter ended March 26, 2025. We are able to operate with a substantial working capital deficit because (1) restaurant operations and most food service operations are conducted primarily on a cash (and cash equivalent) basis with a low level of accounts receivable, (2) rapid turnover allows for a limited investment in inventories, and (3) accounts payable for food, beverages and supplies usually becomes due after the receipt of cash from the related sales.

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Credit Facility

The Company and certain of its subsidiaries have a credit facility consisting of a five-year $400 million senior secured revolver (with a $25 million letter of credit sublimit). The credit facility includes an accordion feature that would allow us to increase the size of the facility to $450 million. Borrowings bear a tiered interest rate, which is based on the Company's consolidated leverage ratio. The maturity date for the credit facility is August 26, 2026.

The credit facility is available for working capital, capital expenditures and other general corporate purposes. The credit facility is guaranteed by the Company and its material subsidiaries and is secured by assets of the Company and its subsidiaries, including the stock of its subsidiaries (other than its insurance captive subsidiary). It includes negative covenants that are usual for facilities and transactions of this type. The credit facility also includes certain financial covenants, including a maximum consolidated leverage ratio of 4.0 times and a minimum consolidated fixed charge coverage ratio of 1.5 times. As of March 26, 2025, our consolidated leverage ratio was 3.9 times and our consolidated fixed charge coverage ratio was 2.1 times. We were in compliance with all financial covenants as of March 26, 2025, and we expect to remain in compliance throughout the remainder of 2025.

As of March 26, 2025, we had outstanding revolver loans of $266.0 million and outstanding letters of credit under the credit facility of $16.1 million. These balances resulted in unused commitments of $117.9 million as of March 26, 2025 under the credit facility.

As of March 26, 2025, borrowings under the credit facility bore interest at a rate of Adjusted Daily Simple SOFR plus 2.25%. Letters of credit under the credit facility bore interest at a rate of 2.38%. The commitment fee, paid on the unused portion of the credit facility, was set to 0.35%.

Prior to considering the impact of our interest rate swaps, described below, the weighted-average interest rate on outstanding revolver loans was 6.65% and 6.98% as of March 26, 2025 and December 25, 2024, respectively. Taking into consideration our interest rate swaps that are designated as cash flow hedges, the weighted-average interest rate of outstanding revolver loans was 5.02% and 5.01% as of March 26, 2025 and December 25, 2024, respectively.

Technology Transformation Initiatives

The Company has committed to investing approximately $4 million toward a new cloud-based restaurant technology platform in domestic franchise restaurants, which will lay the foundation for future technology initiatives to further enhance the guest experience. The rollout is in progress and is expected to continue through 2026.

Critical Accounting Policies and Estimates

For information regarding our Critical Accounting Policies and Estimates, see the "Critical Accounting Policies and Estimates" section in Part II, Item 7, "Management’s Discussion and Analysis of Financial Condition and Results of Operations" in our Annual Report on Form 10-K for the fiscal year ended December 25, 2024.

Implementation of New Accounting Standards

Information regarding the implementation of new accounting standards is incorporated by reference from Note 2 to our unaudited consolidated financial statements set forth in Part I, Item 1 of this report.

Item 3.     Quantitative and Qualitative Disclosures About Market Risk

Interest Rate Risk

We have exposure to interest rate risk related to certain instruments entered into for other than trading purposes. Specifically, as of March 26, 2025, borrowings under our credit facility bore interest at variable rates based on Adjusted Daily Simple SOFR plus 2.25% per annum.

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We have receive-variable, pay-fixed interest rate swaps to hedge the forecasted cash flows of our floating rate debt. A summary of our interest rate swaps as of March 26, 2025 is as follows:

Trade Date						Effective Date						Maturity Date						Notional Amount						Fair Value						Fixed Rate
																		(In thousands)
Swaps designated as cash flow hedges
March 20, 2015						March 29, 2018						March 31, 2025						$	120,000					$	26					2.34		%
October 1, 2015						March 29, 2018						March 31, 2026						$	50,000					$	816					2.37		%
February 15, 2018						March 31, 2020						December 31, 2033						$	66,000		(1)			$	15,304					3.09		%
Total																		$	236,000					$	16,146

(1)     The notional amounts of the swaps entered into on February 15, 2018 increased by $120 million on March 31, 2025 (subsequent to the end of the quarter) when the swaps entered into on March 20, 2015 expired and will increase periodically until they reach the maximum notional amount of $335 million on August 31, 2033.

As of March 26, 2025, our swaps effectively increased our ratio of fixed rate debt from 4% of total debt to 89% of total debt. Based on the levels of borrowings under the credit facility at March 26, 2025, if interest rates changed by 100 basis points, our annual cash flow and income before taxes would change by $0.2 million. This computation is determined by considering the impact of hypothetical interest rates on the credit facility at March 26, 2025, taking into consideration the interest rate swaps that will be in effect during the next 12 months. However, the nature and amount of our borrowings may vary as a result of future business requirements, market conditions and other factors.

Depending on market considerations, fluctuations in the fair values of our interest rate swaps could be significant. With the exception of these changes in the fair value of our interest rate swaps and in the levels of borrowings under our credit facility, there have been no material changes in our quantitative and qualitative market risks since the prior reporting period. For additional information related to our interest rate swaps, including changes in the fair value, refer to Note 6, Note 7 and Note 13 to our unaudited consolidated financial statements in Part I, Item 1 of this report.

  

Item 4.     Controls and Procedures

As required by Rule 13a-15(b) under the Exchange Act, our management conducted an evaluation (under the supervision and with the participation of our Chief Executive Officer, Kelli F. Valade, and our Executive Vice President and Chief Financial Officer, Robert P. Verostek) as of the end of the period covered by this Quarterly Report on Form 10-Q, of the effectiveness of our disclosure controls and procedures as defined in Rule 13a-15(e) under the Exchange Act. Based on that evaluation, Ms. Valade and Mr. Verostek each concluded that our disclosure controls and procedures are effective to provide reasonable assurance that information required to be disclosed in the reports that we file or submit under the Exchange Act (i) is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission's rules and forms and (ii) is accumulated and communicated to our management, including Ms. Valade and Mr. Verostek, as appropriate to allow timely decisions regarding required disclosure.

There were no changes in our internal control over financial reporting identified in connection with the evaluation required by Rule 13a-15(d) of the Exchange Act that occurred during our fiscal quarter ended March 26, 2025 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II - OTHER INFORMATION

Item 1.     Legal Proceedings

Information regarding legal proceedings is incorporated by reference from Note 14 to our unaudited consolidated financial statements set forth in Part I, Item 1 of this report.

Item 1A.     Risk Factors

There have been no material changes in the risk factors set forth in Part I, Item 1A, “Risk Factors” in our Annual Report on Form 10-K for the fiscal year ended December 25, 2024.

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Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

Purchases of Equity Securities by the Issuer

The table below provides information concerning repurchases of shares of our common stock during the quarter ended March 26, 2025.

Period			Total Number of Shares Purchased						Average Price Paid Per Share (1)						Total Number of Shares Purchased as Part of Publicly Announced Programs (2)						Dollar Value of Shares that May Yet be Purchased Under the Programs (2)
			(In thousands, except per share amounts)
December 26, 2024 - January 22, 2025			—						$	—					—						$	89,197
January 23, 2025 - February 19, 2025			30						5.09						30						$	89,044
February 20, 2025 - March 26, 2025			188						4.40						188						$	88,216
Total			218						$	4.49					218

(1)Average price paid per share excludes commissions and any excise taxes paid.

(2)On December 2, 2019, we announced that our Board of Directors approved a share repurchase program, authorizing us to repurchase up to an additional $250 million of our common stock (in addition to prior authorizations). Such repurchases may take place from time to time in the open market (including pre-arranged stock trading plans in accordance with the guidelines specified in Rule 10b5-1 under the Exchange Act) or in privately negotiated transactions, subject to market and business conditions. During the quarter ended March 26, 2025, we purchased 0.2 million shares of our common stock for an aggregate consideration of $1.0 million pursuant to the share repurchase program.

Item 5. Other Information

Rule 10b5-1 Trading Plans

During the quarter ended March 26, 2025, none of the Company’s directors or officers adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as those terms are defined in Regulation S-K, Item 408.

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Item 6.     Exhibits

 

The following are included as exhibits to this report: 

Exhibit No.						Description
3.1						Amended and Restated By-laws of Denny's Corporation, effective as of February 5, 2025 (incorporated by reference to Exhibit 3.2 to the Annual Report on Form 10-K of Denny's Corporation for the year ended December 25, 2024).
10.1						Form of 2025 Long-Term Incentive Program Restricted Share Unit Award Certificate.
10.2						Form of 2025 Long-Term Incentive Program Performance Share Unit (Cash-Settled) Award Certificate.
10.3						Form of 2025 Long-Term Incentive Program Performance Share Unit (Share-Settled) Award Certificate.
31.1						Certification of Kelli F. Valade, Chief Executive Officer of Denny's Corporation, pursuant to Rule 13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2						Certification of Robert P. Verostek, Executive Vice President and Chief Financial Officer of Denny's Corporation, pursuant to Rule 13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1						Certification of Kelli F. Valade, Chief Executive Officer of Denny's Corporation, and Robert P. Verostek, Executive Vice President and Chief Financial Officer of Denny's Corporation, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS						Inline XBRL Instance Document (the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document)
101.SCH						Inline XBRL Taxonomy Extension Schema Document
101.CAL						Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.LAB						Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE						Inline XBRL Taxonomy Extension Presentation Linkbase Document
101.DEF						Inline XBRL Taxonomy Extension Definition Linkbase Document
104						Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

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SIGNATURES

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

 

DENNY'S CORPORATION

Date:

May 5, 2025

By:

/s/ Robert P. Verostek

Robert P. Verostek

Executive Vice President and Chief Financial Officer

Date:

May 5, 2025

By:

/s/ Jay C. Gilmore

Jay C. Gilmore

Senior Vice President, Chief Accounting Officer and Corporate Controller

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2025 Long-Term Incentive Program Denny’s Corporation Restricted Stock Unit 203 East Main Street Award Certificate Spartanburg, SC 29319 Participant Name (“Grantee”), Denny’s Corporation (the “Company”) has granted to you (“Grantee”) a restricted stock unit award (the “Award”) denominated in a number of restricted stock units (the “Restricted Stock Units”). The terms and conditions relating to the Restricted Stock Units are set forth in this Award Certificate. The Restricted Stock Units are rights that entitle you to earn shares of the Company’s $0.01 par value common stock (“Shares”), on a one-for-one basis. The Award is granted under the Denny’s Corporation 2021 Omnibus Incentive Plan (the “Plan”). By accepting the Award, you shall be deemed to have agreed to the terms and conditions set forth in this Award Certificate. The Restricted Stock Units will vest (become non-forfeitable) in three (3) equal installments on the last day of the Company’s 2025, 2026, and 2027 fiscal years, subject in each case to your continued employment with the Company through such date, unless vesting is accelerated under Section 2 or Section 3 of the attached Terms and Conditions in the event of certain employment terminations or a change in control. The number of Restricted Stock Units covered by your Award will be determined as follows: Target RSUs: [Shares Granted] This Award is governed by the terms of the Plan, and subject to the Terms and Conditions on the following page. Capitalized terms used herein and not otherwise defined shall have the meanings assigned to such terms in the Plan. ___________________________________ Grant Date: _________________ [Officer Name] [Officer Title] Denny’s Corporation

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TERMS AND CONDITIONS 1. Vesting and Forfeiture of Award. The Award will vest and become non-forfeitable in three (3) equal installments on the last day of the Company’s 2025, 2026, and 2027 fiscal years (each a “Regular Vesting Date”) subject in each case to Grantee’s continued employment. Only a whole number of Restricted Stock Units will become vested as of any given Regular Vesting Date. If the number of Restricted Stock Units determined as of a Regular Vesting Date is a fractional number, the number vesting will be rounded down to the nearest whole number with any fractional portion carried forward. The Award shall vest, in full or in part, on an accelerated basis under certain circumstances as provided in Section 2 and Section 3 below. Notwithstanding anything contained herein to the contrary, if Grantee’s employment with the Company terminates for any reason other than as set forth in paragraph (a) or (b) of Section 2 below, Grantee shall forfeit all of Grantee’s right, title and interest in and to any unvested Restricted Stock Units as of the date of termination of employment. In addition, if Grantee’s employment is terminated by the Company for Cause, Grantee shall also forfeit any vested Restricted Stock Units that have not yet been converted to Shares. 2. Accelerated Vesting Under Certain Employment Terminations. The Award shall be subject to accelerated vesting in connection with a termination of employment under certain circumstances, as set forth below. (a) Death or Disability. Upon Grantee’s termination of employment with the Company due to death or Disability, a pro rata portion of the Restricted Stock Units, to the extent then outstanding and not previously vested, will vest and become non- forfeitable. The pro rata portion shall be determined by multiplying one third (1/3) of the number of Restricted Stock Units covered by Grantee’s Award by a fraction, (i) the numerator of which is the number of days that Grantee was employed during the Company’s fiscal year in which the employment termination date occurs, and (ii) the denominator of which is the total number of days in that fiscal year, rounded up to the next whole Restricted Stock Unit (as so determined, the “Pro Rata Amount”). (b) Retirement. Upon Grantee’s termination of employment with the Company due to Retirement (as defined below), the Pro Rata Amount (as defined in Section 2(a) above) of the Restricted Stock Units will vest and become non-forfeitable, provided Grantee does not engage in any Restricted Activities with a Competitor (each as defined below) prior to the next Regular Vesting Date (to the extent such restrictions are permissible under applicable law). For purposes of this Award Certificate: “Competitor” means all breakfast and family dining restaurants, including without limitation, [LIST OF NAMED COMPETITORS]. “Restricted Activities” means with respect to a Competitor, accepting employment, serving on a board of directors or otherwise being engaged as a consultant or advisor.

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“Retirement” means Grantee’s voluntary resignation or termination of employment without Cause on or after attainment of age 55, provided that the sum of Grantee’s age and years of service with the Company is equal to or greater than 70. 3. Accelerated Vesting Upon a Change in Control. Upon a Change in Control of the Company during Grantee’s employment, the Restricted Stock Units (to the extent then unvested and not previously forfeited) will vest and become non-forfeitable. 4. Settlement of Restricted Stock Units. Except as otherwise provided in this Section 4 or in Section 6, (i) Restricted Stock Units that vest pursuant to Section 1 on a Regular Vesting Date (and are not otherwise forfeited due to a termination for Cause) shall convert into Shares and be paid out within 30 days following the applicable Regular Vesting Date, (ii) the Pro Rata Amount of Restricted Stock Units that vest pursuant to Section 2(a) (termination due to death or Disability) shall convert into Shares and be paid out within 30 days following the date of termination of employment, (iii) the Pro Rata Amount of Restricted Stock Units that vest pursuant to Section 2(b) (Retirement) shall convert into Shares and be paid out within 30 days following the next Regular Vesting Date to occur (or if sooner, a Change in Control), but in no event later than March 15 of the year following the year in which the termination of employment described in Section 2 occurs, and (iv) Restricted Stock Units that vest pursuant to Section 3 shall convert into Shares and be paid out within 30 days following the Change in Control. Shares paid upon conversion of the Restricted Stock Units will be registered on the books of the Company in Grantee’s name (or in street name to Grantee’s brokerage account) as of the date of payment in uncertificated (book-entry) form. 5. Limitation of Rights. The Award does not confer to Grantee or Grantee’s beneficiary any rights of a stockholder of the Company unless and until Shares are in fact issued to such person in connection with the Award. Nothing in this Award Certificate shall interfere with or limit in any way the right of the Company or any Affiliate to terminate Grantee’s employment at any time, nor confer upon Grantee any right to continue in employment of the Company or any Affiliate. From and after the Grant Date and until the earlier of (a) the time when the Restricted Stock Units become vested and are paid in accordance with this Award Certificate or (b) the time when Grantee’s right to receive Shares in payment of the Restricted Stock Units is forfeited in accordance with this Award Certificate, on the date the Company pays a cash dividend (if any) to holders of Shares generally, Grantee shall be credited with a cash amount per Restricted Stock Unit equal to the amount of such dividend per Share. Any amounts credited pursuant to the immediately preceding sentence shall be subject to the same applicable terms and conditions (including vesting, payment and forfeitability) as apply to the Restricted Stock Units to which they relate, and such cash amounts shall be paid only if and when the Restricted Stock Units to which they relate are settled. 6. Payment of Taxes. Grantee will owe federal, state, and local taxes in connection with the Award (the “Taxes”)). The withholding of Taxes shall be mandatorily satisfied by withholding from the settlement of the Restricted Stock Units a number of Shares having a fair market value equal to the amount required to be withheld for the Taxes. Grantee’s

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acceptance of the Award constitutes Grantee’s acknowledgement that the Company will withhold on Grantee’s behalf a number of Shares sufficient to satisfy the Taxes. The obligations of the Company under this Award Certificate will be conditional on such payment of the Taxes by Grantee. Notwithstanding anything to the contrary contained in this Section 6, Section 15, or otherwise, the Company (i) makes no representations or undertakings regarding the treatment of Taxes in connection with any aspect of this Award, and (ii) does not commit to structure the terms of the Award to reduce or eliminate Grantee’s liability for Taxes. 7. Restrictions on Issuance of Shares. If at any time the Compensation and Incentives Committee of the Board (the “Compensation Committee”) shall determine, in its discretion, that registration, listing or qualification of the Shares underlying the Restricted Stock Units upon any securities exchange or similar self-regulatory organization or under any foreign, federal, or local law or practice, or the consent or approval of any governmental regulatory body, is necessary or desirable as a condition to the settlement of the Restricted Stock Units, the Shares will not be paid unless and until such registration, listing, qualification, consent or approval shall have been effected or obtained free of any conditions not acceptable to the Compensation Committee. 8. Plan Controls. The terms contained in the Plan are incorporated into and made a part of this Award Certificate and this Award Certificate shall be governed by and construed in accordance with the Plan. In the event of any actual or alleged conflict between the provisions of the Plan and the provisions of this Award Certificate, the provisions of the Plan shall be controlling and determinative. 9. Successors. This Award Certificate shall be binding upon any successor of the Company, in accordance with the terms of this Award Certificate and the Plan. 10. Severability. If any one or more of the provisions contained in this Award Certificate is deemed to be invalid, illegal or unenforceable, the other provisions of this Award Certificate will be construed and enforced as if the invalid, illegal or unenforceable provision had never been included. 11. Notice. Notices and communications under this Award Certificate must be in writing and either personally delivered or sent by registered or certified United States mail, return receipt requested, postage prepaid. Notices to the Company must be addressed to Denny’s Corporation, 203 East Main Street, Spartanburg, SC 29319-0001, Attn: Secretary, or any other address designated by the Company in a written notice to Grantee. Notices to Grantee will be directed to the address of Grantee then currently on file with the Company, or at any other address given by Grantee in a written notice to the Company. 12. Compensation Recovery (Clawback) Policies. (a) Dodd-Frank Clawback Policy. The Award is subject to the requirements of (i) Section 954 of the Dodd-Frank Wall Street Reform and Consumer Protection Act (regarding recovery of erroneously awarded compensation) and any implementing rules and regulations thereunder (the “Dodd-Frank Clawback Rules”), and (ii) the

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Company’s Dodd-Frank Clawback Policy and any other policies adopted by the Company to implement such requirements, all to the extent determined by the Company in its discretion to be applicable to Grantee. For the avoidance of doubt, if the Dodd-Frank Clawback Rules and any implementing policy apply to Grantee, then the Company may take action against this Award or any proceeds the Grantee receives from it to recover any erroneously awarded compensation the Grantee may have received from the Company (whether related to this Award or otherwise), all in accordance with the Dodd-Frank Clawback Rules and the applicable implementing policy and subject to the requirements of applicable law. This Section 12(a) is in addition to, and not in lieu of, Section 15.7 of the Plan. (b) Other Clawback Policies. In addition to the provisions of Section 12(a) and in consideration for the grant of the Award, Grantee agrees to be subject to the “Other Clawback Policies,” which consist of: (i) any compensation, clawback, recoupment or similar policies of the Company or its Affiliates that may be in effect from time to time, whether adopted before or after the Grant Date (including, but not limited to, the Company’s Incentive Compensation Clawback Policy), and (ii) to such other clawback provisions and policies as may be required by applicable law, regulation or exchange listing standard. Grantee understands that the Other Clawback Policies are not limited in their application to the Award, or to equity or cash received in connection with the Award. To the extent that any Other Clawback Policies are now or in the future applicable to Grantee, Grantee agrees that Grantee is hereby bound by such Other Clawback Policies in its entirety. This Section 12(b) is in addition to, and not in lieu of, Section 15.7 of the Plan. 13. Other Company Policies. Grantee agrees, in consideration for the grant of the Restricted Stock Units, to be subject to any policies of the Company and its Affiliates regarding securities trading, and hedging or pledging of securities, that may be in effect from time to time, or as may otherwise be required by applicable law, regulation or exchange listing standard. 14. Governing Law. This Award Certificate shall be governed by the laws of the State of Delaware, excluding any conflicts or choice of law, rule or principle that might otherwise refer construction or interpretation of this Award Certificate to the substantive law of another jurisdiction. 15. Section 409A Compliance. This Award Certificate is intended to be exempt from or otherwise comply with the provisions of Section 409A of the Code. The Company may change or modify the terms of this Award Certificate without Grantee’s consent or signature if the Company determines, in its sole discretion, provided that such change or modification is necessary for purposes of compliance with or exemption from the requirements of Section 409A of the Code or any regulations or other guidance issued thereunder. 16. Electronic Delivery of Documents. Grantee authorizes the Company to deliver electronically any prospectuses or other documentation related to the Award and any other compensation or benefit plan or arrangement in effect from time to time (including, without

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limitation, reports, proxy statements or other documents that are required to be delivered to participants in such arrangements pursuant to federal or state laws, rules or regulations). For this purpose, electronic delivery will include, without limitation, delivery by means of e-mail or e-mail notification that such documentation is available on the Company’s Intranet site. Upon written request, the Company will provide to Grantee a paper copy of any document also delivered to Grantee electronically. The authorization described in this paragraph may be revoked by Grantee at any time by written notice to the Company. 17. Further Assurances. Grantee agrees, upon demand of the Company or the Compensation Committee, to do all acts and execute, deliver, and perform all additional documents, instruments, and agreements that may be reasonably required by the Company or the Compensation Committee, as the case may be, to implement the provisions and purposes of this Award and the Plan.

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2025 Long-Term Incentive Program Denny’s Corporation Performance Share Unit (Cash-Settled) 203 East Main Street Award Certificate Spartanburg, SC 29319 Participant Name (“Grantee”) Denny’s Corporation (the “Company”) has granted to you a performance share unit award (the “Award”) denominated in a target number of performance share units (the “Performance Share Units” or “PSUs”). The PSUs are rights that entitle you to earn a cash payment in an amount equal to the Fair Market Value of a number of shares of the Company’s $0.01 par value common stock (“Shares”) on the settlement date. The Award is granted under the Denny’s Corporation 2021 Omnibus Incentive Plan (the “Plan”). By accepting the Award, you shall be deemed to have agreed to the terms and conditions set forth in this Award Certificate and the Plan. As described in detail in the Terms and Conditions attached to this Award Certificate, you may earn between 0 to 150% of the Target PSUs based on the Company’s achievement of [THE PERFORMANCE VESTING REQUIREMENT(S) LISTED ON APPENDIX A] during the Performance Period. Target PSUs1: [Shares Granted] Performance Period: December 26, 2024 to December 29, 2027 This Award is governed by the terms of the Plan, and subject to the Terms and Conditions on the pages that follow. Capitalized terms used herein and not otherwise defined shall have the meanings assigned to such terms in the Plan. _____________________________________ Grant Date: _________________________ [OFFICER NAME] [TITLE] Denny’s Corporation 1 The number of Target PSUs equals the dollar value of the Award as determined by the Company, divided by the average closing market price per Share for the last twenty (20) trading days of the Company’s 2024 fiscal year, rounded up to the nearest whole Share.

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2 TERMS AND CONDITIONS 1. Vesting and Forfeiture of Award. The Award will vest and become non-forfeitable on the last day of the Performance Period, subject to Grantee’s continued employment through such date and based on the achievement of [THE PERFORMANCE VESTING REQUIREMENT(S)], as described below. (a) [INSERT PERFORMANCE VESTING CRITERIA] (b) The Award shall vest on an accelerated basis under certain circumstances, as provided in Section 2 and Section 3 below. Notwithstanding anything contained herein to the contrary, if Grantee’s employment with the Company terminates for any reason other than as set forth in Section 2(a) or Section 2(b) below, Grantee shall forfeit all of Grantee’s right, title and interest in and to unvested PSUs as of the date of termination of employment. In addition, if Grantee’s employment is terminated by the Company for Cause, Grantee shall also forfeit any vested PSUs that have not yet been settled. 2. Accelerated Vesting Under Certain Employment Terminations. The Award shall be subject to accelerated vesting in connection with a termination of employment under certain circumstances, as set forth below. (a) Death or Disability. Upon Grantee’s termination of employment with the Company due to death or Disability prior to the end of the Performance Period, the Company will multiply the Target PSUs by a fraction, the numerator of which is the number of days elapsed from the first day of the Performance Period through the employment termination date, and the denominator of which is 1,099 (such amount, the “Pro Rata Target PSUs”). The Award will then vest in accordance with Section 1(a) above, provided that, (x) for purposes of the calculation, “Pro Rata Target PSUs” will be substituted for “Target PSUs,” and (y) [FOR TSR-BASED GOALS: the Performance Period shall be considered to have ended on the last day of the Company’s most recently completed fiscal quarter] OR [FOR OTHER PERFORMANCE CRITERIA: 100% of the Pro Rata Target PSUs shall vest]. (b) Retirement. Upon Grantee’s termination of employment with the Company due to Retirement (as defined below), the Award will vest in accordance with Section 1(a) above at the end of the regular Performance Period, provided that, (x) for purposes of the calculations, “Pro Rata Target PSUs” will be substituted for “Target PSUs,” and (y) Grantee has not engaged in any Restricted Activities with a Competitor (each as defined below) during the Performance Period (to the extent such restrictions are permissible under applicable law). For the avoidance of doubt, the calculation described in this Section 2(b) shall be based [PERFORMANCE CRITERIA] for the three-year Performance Period, provided that in the event of a Change in Control following Grantee’s Retirement but before the end of the Performance Period, the number of PSUs earned shall be calculated in accordance with Section 3 but shall still be prorated in accordance with this Section 2(b) based upon the Grantee’s Retirement date. 3. Accelerated Vesting Upon a Change in Control. Upon a Change in Control of the Company during the Performance Period, the Award will vest in accordance with Section 1(a),

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3 subject to Grantee’s continued employment through the Change in Control, provided that [FOR TSR-BASED GOALS: the Performance Period shall be considered to have ended on the date of the Change in Control] OR [FOR OTHER PERFORMANCE CRITERIA: the number of PSUs to vest will be based on assumed [PERFORMANCE CRITERIA] performance results at the greater of (i) target and (ii) estimated actual performance through the Change in Control, as determined by the Committee]. 4. Settlement of Performance Share Units. The Award shall be settled in a lump sum cash payment equal to the Fair Market Value, as of the applicable settlement date, of one (1) Share for each one (1) vested PSU. PSUs that vest pursuant to Section 1 (and are not otherwise forfeited due to a termination for Cause) will be paid out as soon as practicable following the end of the Performance Period, but in no event later than 60 days following the end of the Performance Period. PSUs that vest pursuant to Section 2(a) (termination due to death or Disability) will be paid out within 30 days following the employment termination date. PSUs that vest pursuant to Section 2(b) (Retirement) will be paid out as soon as practicable following the end of the Performance Period, but in no event later than 60 days following the end of the Performance Period (or if sooner, within 30 days following a Change in Control). Finally, PSUs that vest pursuant to Section 3 (Change in Control) will be paid out within 30 days following the Change in Control. Any fractional Shares will be rounded up or down to the nearest next whole Share. Any PSUs that do not become vested will be forfeited. 5. Definitions. For purposes of this Award Certificate: (a) [ADD APPLICABLE DEFINITIONS FOR PERFORMANCE CRITERIA] (b) “Competitor” means all breakfast and family dining restaurants, including without limitation, [LIST OF NAMED COMPETITORS]. (c) “Restricted Activities” means with respect to a Competitor, accepting employment, serving on a board of directors or otherwise being engaged as a consultant or advisor. (d) “Retirement” means Grantee’s voluntary resignation or termination of employment without Cause on or after attainment of age 55, provided that the sum of Grantee’s age and years of service with the Company is equal to or greater than 70. 6. Limitation of Rights. The Award does not confer to Grantee or Grantee’s beneficiary any rights of a stockholder of the Company. Nothing in this Award Certificate shall interfere with or limit in any way the right of the Company or any Affiliate to terminate Grantee’s employment at any time, nor confer upon Grantee any right to continue in employment of the Company or any Affiliate. 7. Payment of Taxes. Grantee will owe federal, state, and local taxes in connection with the Award (the “Taxes”)). The withholding of Taxes shall be mandatorily satisfied by withholding from the settlement of the PSUs an amount of cash having a Fair Market Value as of the applicable settlement date equal to the amount required to be withheld for the Taxes. Grantee’s acceptance of the Award constitutes Grantee’s acknowledgement that the Company will withhold on Grantee’s behalf an amount of cash sufficient to satisfy the Taxes. The obligations of the Company under this Award Certificate will be conditional on such payment of the Taxes by Grantee.

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4 Notwithstanding anything to the contrary contained in this Section 7, Section 15, or otherwise, the Company (i) makes no representations or undertakings regarding the treatment of Taxes in connection with any aspect of this Award, and (ii) does not commit to structure the terms of the Award to reduce or eliminate Grantee’s liability for Taxes. 8. Plan Controls. The terms contained in the Plan are incorporated into and made a part of this Award Certificate and this Award Certificate shall be governed by and construed in accordance with the Plan. In the event of any actual or alleged conflict between the provisions of the Plan and the provisions of this Award Certificate, the provisions of the Plan shall be controlling and determinative. 9. Successors. This Award Certificate shall be binding upon any successor of the Company, in accordance with the terms of this Award Certificate and the Plan. 10. Severability. If any one or more of the provisions contained in this Award Certificate is deemed to be invalid, illegal or unenforceable, the other provisions of this Award Certificate will be construed and enforced as if the invalid, illegal or unenforceable provision had never been included. 11. Notice. Notices and communications under this Award Certificate must be in writing and either personally delivered or sent by registered or certified United States mail, return receipt requested, postage prepaid. Notices to the Company must be addressed to Denny’s Corporation, 203 East Main Street, Spartanburg, SC 29319-0001, Attn: Secretary, or any other address designated by the Company in a written notice to Grantee. Notices to Grantee will be directed to the address of Grantee then currently on file with the Company, or at any other address given by Grantee in a written notice to the Company. 12. Compensation Recovery (Clawback) Policies. (a) Dodd-Frank Clawback Policy. The Award is subject to the requirements of (i) Section 954 of the Dodd-Frank Wall Street Reform and Consumer Protection Act (regarding recovery of erroneously awarded compensation) and any implementing rules and regulations thereunder (the “Dodd-Frank Clawback Rules”), and (ii) the Company’s Dodd-Frank Clawback Policy and any other policies adopted by the Company to implement such requirements, all to the extent determined by the Company in its discretion to be applicable to Grantee. For the avoidance of doubt, if the Dodd-Frank Clawback Rules and any implementing policy apply to Grantee, then the Company may take action against this Award or any proceeds the Grantee receives from it to recover any erroneously awarded compensation the Grantee may have received from the Company (whether related to this Award or otherwise), all in accordance with the Dodd-Frank Clawback Rules and the applicable implementing policy and subject to the requirements of applicable law. This Section 12(a) is in addition to, and not in lieu of, Section 15.7 of the Plan. (b) Other Clawback Policies. In addition to the provisions of Section 12(a) and in consideration for the grant of the Award, Grantee agrees to be subject to the “Other Clawback Policies,” which consist of: (i) any compensation, clawback, recoupment or similar policies of the Company or its Affiliates that may be in effect from time to time, whether adopted before or after the Grant Date (including, but not limited to, the Company’s Incentive Compensation Clawback

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5 Policy), and (ii) to such other clawback provisions and policies as may be required by applicable law, regulation or exchange listing standard. Grantee understands that the Other Clawback Policies are not limited in their application to the Award, or to cash received in connection with the Award. To the extent that any Other Clawback Policies are now or in the future applicable to Grantee, Grantee agrees that Grantee is hereby bound by such Other Clawback Policies in its entirety. This Section 12(b) is in addition to, and not in lieu of, Section 15.7 of the Plan. 13. Other Company Policies. Grantee agrees, in consideration for the grant of the PSUs, to be subject to any policies of the Company and its Affiliates regarding securities trading, and the hedging or pledging of securities, that may be in effect from time to time, or as may otherwise be required by applicable law, regulation or exchange listing standard. 14. Governing Law. This Award Certificate shall be governed by the laws of the State of Delaware, excluding any conflicts or choice of law, rule or principle that might otherwise refer construction or interpretation of this Award Certificate to the substantive law of another jurisdiction. 15. Section 409A Compliance. This Award Certificate is intended to be exempt from or otherwise comply with the provisions of Section 409A of the Code. The Company may change or modify the terms of this Award Certificate without Grantee’s consent or signature if the Company determines, in its sole discretion, provided that such change or modification is necessary for purposes of compliance with or exemption from the requirements of Section 409A of the Code or any regulations or other guidance issued thereunder. 16. Electronic Delivery of Documents. Grantee authorizes the Company to deliver electronically any prospectuses or other documentation related to the Award and any other compensation or benefit plan or arrangement in effect from time to time (including, without limitation, reports, proxy statements or other documents that are required to be delivered to participants in such arrangements pursuant to federal or state laws, rules or regulations). For this purpose, electronic delivery will include, without limitation, delivery by means of e-mail or e-mail notification that such documentation is available on the Company’s Intranet site. Upon written request, the Company will provide to Grantee a paper copy of any document also delivered to Grantee electronically. The authorization described in this paragraph may be revoked by Grantee at any time by written notice to the Company. 17. Further Assurances. Grantee agrees, upon demand of the Company or the Compensation Committee, to do all acts and execute, deliver, and perform all additional documents, instruments, and agreements that may be reasonably required by the Company or the Compensation Committee, as the case may be, to implement the provisions and purposes of this Award and the Plan.

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2025 Long-Term Incentive Program Denny’s Corporation Performance Share Unit (Share-Settled) 203 East Main Street Award Certificate Spartanburg, SC 29319 Participant Name (“Grantee”) Denny’s Corporation (the “Company”) has granted to you a performance share unit award (the “Award”) denominated in a target number of performance share units (the “Performance Share Units” or “PSUs”). The PSUs are rights that entitle you to earn shares of the Company’s $0.01 par value common stock (“Shares”). The Award is granted under the Denny’s Corporation 2021 Omnibus Incentive Plan (the “Plan”). By accepting the Award, you shall be deemed to have agreed to the terms and conditions set forth in this Award Certificate and the Plan. As described in detail in the Terms and Conditions attached to this Award Certificate, you may earn between 0 to 150% of the Target PSUs based on the Company’s achievement of [THE PERFORMANCE VESTING REQUIREMENT(S) LISTED ON APPENDIX A] during the Performance Period. Target PSUs1: [Shares Granted] Performance Period: December 26, 2024 to December 29, 2027 This Award is governed by the terms of the Plan, and subject to the Terms and Conditions on the pages that follow. Capitalized terms used herein and not otherwise defined shall have the meanings assigned to such terms in the Plan. ______________________________________ Grant Date: _________________________ [OFFICER NAME] [TITLE] Denny’s Corporation 1 The number of Target PSUs equals the dollar value of the Award as determined by the Company, divided by the average closing market price per Share for the last twenty (20) trading days of the Company’s 2024 fiscal year, rounded up to the nearest whole Share.

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2 TERMS AND CONDITIONS 1. Vesting and Forfeiture of Award. The Award will vest and become non-forfeitable on the last day of the Performance Period, subject to Grantee’s continued employment through such date and based on the achievement of [THE PERFORMANCE VESTING REQUIREMENT(S)], as described below. (a) [INSERT PERFORMANCE VESTING CRITERIA] (b) The Award shall vest on an accelerated basis under certain circumstances, as provided in Section 2 and Section 3 below. Notwithstanding anything contained herein to the contrary, if Grantee’s employment with the Company terminates for any reason other than as set forth in Section 2(a) or Section 2(b) below, Grantee shall forfeit all of Grantee’s right, title and interest in and to unvested PSUs as of the date of termination of employment. In addition, if Grantee’s employment is terminated by the Company for Cause, Grantee shall also forfeit any vested PSUs that have not yet been settled. 2. Accelerated Vesting Under Certain Employment Terminations. The Award shall be subject to accelerated vesting in connection with a termination of employment under certain circumstances, as set forth below. (a) Death or Disability. Upon Grantee’s termination of employment with the Company due to death or Disability prior to the end of the Performance Period, the Company will multiply the Target PSUs by a fraction, the numerator of which is the number of days elapsed from the first day of the Performance Period through the employment termination date, and the denominator of which is 1,099 (such amount, the “Pro Rata Target PSUs”). The Award will then vest in accordance with Section 1(a) above, provided that, (x) for purposes of the calculation, “Pro Rata Target PSUs” will be substituted for “Target PSUs,” and (y) [FOR TSR-BASED GOALS: the Performance Period shall be considered to have ended on the last day of the Company’s most recently completed fiscal quarter] OR [FOR OTHER PERFORMANCE CRITERIA: 100% of the Pro Rata Target PSUs shall vest]. (b) Retirement. Upon Grantee’s termination of employment with the Company due to Retirement (as defined below), the Award will vest in accordance with Section 1(a) above at the end of the regular Performance Period, provided that, (x) for purposes of the calculations, “Pro Rata Target PSUs” will be substituted for “Target PSUs,” and (y) Grantee has not engaged in any Restricted Activities with a Competitor (each as defined below) during the Performance Period (to the extent such restrictions are permissible under applicable law). For the avoidance of doubt, the calculation described in this Section 2(b) shall be based [PERFORMANCE CRITERIA] for the three-year Performance Period, provided that in the event of a Change in Control following Grantee’s Retirement but before the end of the Performance Period, the number of PSUs earned shall be calculated in accordance with Section 3 but shall still be prorated in accordance with this Section 2(b) based upon the Grantee’s Retirement date. 3. Accelerated Vesting Upon a Change in Control. Upon a Change in Control of the Company during the Performance Period, the Award will vest in accordance with Section 1(a),

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3 subject to Grantee’s continued employment through the Change in Control, provided that [FOR TSR-BASED GOALS: the Performance Period shall be considered to have ended on the date of the Change in Control] OR [FOR OTHER PERFORMANCE CRITERIA: the number of PSUs to vest will be based on assumed [PERFORMANCE CRITERIA] performance results at the greater of (i) target and (ii) estimated actual performance through the Change in Control, as determined by the Committee]. 4. Settlement of Performance Share Units. The Award shall be settled in Shares, with one (1) Share for each one (1) vested PSU. PSUs that vest pursuant to Section 1 (and are not otherwise forfeited due to a termination for Cause) will be paid out as soon as practicable following the end of the Performance Period, but in no event later than 60 days following the end of the Performance Period. PSUs that vest pursuant to Section 2(a) (termination due to death or Disability) will be paid out within 30 days following the employment termination date. PSUs that vest pursuant to Section 2(b) (Retirement) will be paid out as soon as practicable following the end of the Performance Period, but in no event later than 60 days following the end of the Performance Period (or if sooner, within 30 days following a Change in Control). Finally, PSUs that vest pursuant to Section 3 (Change in Control) will be paid out within 30 days following the Change in Control. Any fractional Shares will be rounded up or down to the nearest next whole Share. Any PSUs that do not become vested will be forfeited. Stock certificates evidencing Shares paid hereunder will be registered on the books of the Company in Grantee’s name (or in street name to Grantee’s brokerage account) as of the date of payment in uncertificated (book-entry) form. 5. Definitions. For purposes of this Award Certificate: (a) [ADD APPLICABLE DEFINITIONS FOR PERFORMANCE CRITERIA] . (b) “Competitor” means all breakfast and family dining restaurants, including without limitation, [LIST OF NAMED COMPETITORS]. (c) “Restricted Activities” means with respect to a Competitor, accepting employment, serving on a board of directors or otherwise being engaged as a consultant or advisor. (d) “Retirement” means Grantee’s voluntary resignation or termination of employment without Cause on or after attainment of age 55, provided that the sum of Grantee’s age and years of service with the Company is equal to or greater than 70. 6. Limitation of Rights. The Award does not confer to Grantee or Grantee’s beneficiary any rights of a stockholder of the Company unless and until Shares are in fact issued to such person in connection with the Award. Nothing in this Award Certificate shall interfere with or limit in any way the right of the Company or any Affiliate to terminate Grantee’s employment at any time, nor confer upon Grantee any right to continue in employment of the Company or any Affiliate. 7. Payment of Taxes. Grantee will owe federal, state, and local taxes in connection with the Award (the “Taxes”)). The withholding of Taxes shall be mandatorily satisfied by withholding from the settlement of the PSUs a number of Shares having a Fair Market Value as of the applicable settlement date equal to the amount required to be withheld for the Taxes. Grantee’s acceptance of the Award constitutes Grantee’s acknowledgement that the Company will withhold on Grantee’s behalf a number of Shares sufficient to satisfy the Taxes. The obligations of the Company under

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4 this Award Certificate will be conditional on such payment of the Taxes by Grantee. Notwithstanding anything to the contrary contained in this Section 7, Section 16, or otherwise, the Company (i) makes no representations or undertakings regarding the treatment of Taxes in connection with any aspect of this Award, and (ii) does not commit to structure the terms of the Award to reduce or eliminate Grantee’s liability for Taxes. 8. Restrictions on Issuance of Shares. If at any time the Compensation and Incentives Committee of the Board (the “Compensation Committee”) shall determine, in its discretion, that registration, listing or qualification of the Shares underlying the PSUs upon any securities exchange or similar self-regulatory organization or under any foreign, federal, or local law or practice, or the consent or approval of any governmental regulatory body, is necessary or desirable as a condition to the settlement of the PSUs, the Shares will not be paid unless and until such registration, listing, qualification, consent or approval shall have been effected or obtained free of any conditions not acceptable to the Compensation Committee. 9. Plan Controls. The terms contained in the Plan are incorporated into and made a part of this Award Certificate and this Award Certificate shall be governed by and construed in accordance with the Plan. In the event of any actual or alleged conflict between the provisions of the Plan and the provisions of this Award Certificate, the provisions of the Plan shall be controlling and determinative. 10. Successors. This Award Certificate shall be binding upon any successor of the Company, in accordance with the terms of this Award Certificate and the Plan. 11. Severability. If any one or more of the provisions contained in this Award Certificate is deemed to be invalid, illegal or unenforceable, the other provisions of this Award Certificate will be construed and enforced as if the invalid, illegal or unenforceable provision had never been included. 12. Notice. Notices and communications under this Award Certificate must be in writing and either personally delivered or sent by registered or certified United States mail, return receipt requested, postage prepaid. Notices to the Company must be addressed to Denny’s Corporation, 203 East Main Street, Spartanburg, SC 29319-0001, Attn: Secretary, or any other address designated by the Company in a written notice to Grantee. Notices to Grantee will be directed to the address of Grantee then currently on file with the Company, or at any other address given by Grantee in a written notice to the Company. 13. Compensation Recovery (Clawback) Policies. (a) Dodd-Frank Clawback Policy. The Award is subject to the requirements of (i) Section 954 of the Dodd-Frank Wall Street Reform and Consumer Protection Act (regarding recovery of erroneously awarded compensation) and any implementing rules and regulations thereunder (the “Dodd-Frank Clawback Rules”), and (ii) the Company’s Dodd-Frank Clawback Policy and any other policies adopted by the Company to implement such requirements, all to the extent determined by the Company in its discretion to be applicable to Grantee. For the avoidance of doubt, if the Dodd-Frank Clawback Rules and any implementing policy apply to Grantee, then the Company may take action against this Award or any proceeds the Grantee receives from it to

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5 recover any erroneously awarded compensation the Grantee may have received from the Company (whether related to this Award or otherwise), all in accordance with the Dodd-Frank Clawback Rules and the applicable implementing policy and subject to the requirements of applicable law. This Section 13(a) is in addition to, and not in lieu of, Section 15.7 of the Plan. (b) Other Clawback Policies. In addition to the provisions of Section 13(a) and in consideration for the grant of the Award, Grantee agrees to be subject to the “Other Clawback Policies,” which consist of: (i) any compensation, clawback, recoupment or similar policies of the Company or its Affiliates that may be in effect from time to time, whether adopted before or after the Grant Date (including, but not limited to, the Company’s Incentive Compensation Clawback Policy), and (ii) to such other clawback provisions and policies as may be required by applicable law, regulation or exchange listing standard. Grantee understands that the Other Clawback Policies are not limited in their application to the Award, or to equity received in connection with the Award. To the extent that any Other Clawback Policies are now or in the future applicable to Grantee, Grantee agrees that Grantee is hereby bound by such Other Clawback Policies in its entirety. This Section 13(b) is in addition to, and not in lieu of, Section 15.7 of the Plan. 14. Other Company Policies. Grantee agrees, in consideration for the grant of the PSUs, to be subject to any policies of the Company and its Affiliates regarding securities trading, and the hedging or pledging of securities, that may be in effect from time to time, or as may otherwise be required by applicable law, regulation or exchange listing standard. 15. Governing Law. This Award Certificate shall be governed by the laws of the State of Delaware, excluding any conflicts or choice of law, rule or principle that might otherwise refer construction or interpretation of this Award Certificate to the substantive law of another jurisdiction. 16. Section 409A Compliance. This Award Certificate is intended to be exempt from or otherwise comply with the provisions of Section 409A of the Code. The Company may change or modify the terms of this Award Certificate without Grantee’s consent or signature if the Company determines, in its sole discretion, provided that such change or modification is necessary for purposes of compliance with or exemption from the requirements of Section 409A of the Code or any regulations or other guidance issued thereunder. 17. Electronic Delivery of Documents. Grantee authorizes the Company to deliver electronically any prospectuses or other documentation related to the Award and any other compensation or benefit plan or arrangement in effect from time to time (including, without limitation, reports, proxy statements or other documents that are required to be delivered to participants in such arrangements pursuant to federal or state laws, rules or regulations). For this purpose, electronic delivery will include, without limitation, delivery by means of e-mail or e-mail notification that such documentation is available on the Company’s Intranet site. Upon written request, the Company will provide to Grantee a paper copy of any document also delivered to Grantee electronically. The authorization described in this paragraph may be revoked by Grantee at any time by written notice to the Company. 18. Further Assurances. Grantee agrees, upon demand of the Company or the Compensation Committee, to do all acts and execute, deliver, and perform all additional documents, instruments,

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6 and agreements that may be reasonably required by the Company or the Compensation Committee, as the case may be, to implement the provisions and purposes of this Award and the Plan.

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Exhibit 31.1

 

 

CERTIFICATION

 

 

I, Kelli F. Valade, certify that:

 

1. I have reviewed this report on Form 10-Q of Denny’s Corporation;

 

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

 

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

 

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

 

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

 

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

 

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

 

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

 

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent function):

 

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

 

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal controls over financial reporting.

  

Date:

May 5, 2025

By:

/s/ Kelli F. Valade

Kelli F. Valade

Chief Executive Officer

Exhibit 31.2

 

 

CERTIFICATION

 

 

I, Robert P. Verostek, certify that:

 

1. I have reviewed this report on Form 10-Q of Denny’s Corporation;

 

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

 

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

 

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

 

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

 

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

 

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

 

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

 

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent function):

 

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

 

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal controls over financial reporting.

 

Date:

May 5, 2025

By:

/s/ Robert P. Verostek

Robert P. Verostek

Executive Vice President and

Chief Financial Officer

Exhibit 32.1

 

 

CERTIFICATION

 

 

Kelli F. Valade

Chief Executive Officer

of Denny’s Corporation

 

and

 

Robert P. Verostek

Executive Vice President and Chief Financial Officer

of Denny's Corporation

 

 

Pursuant to 18 U.S.C. Section 1350,

As Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

 

In connection with the Quarterly Report of Denny’s Corporation (the “Company”) on Form 10-Q for the quarter ended March 26, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Kelli F. Valade, Chief Executive Officer of the Company, and I, Robert P. Verostek, Executive Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

 

1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

 

2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

 

Date:

May 5, 2025

By:

/s/ Kelli F. Valade

Kelli F. Valade

Chief Executive Officer

 

Date:

May 5, 2025

By:

/s/ Robert P. Verostek

Robert P. Verostek

Executive Vice President and

Chief Financial Officer

 

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to Denny’s Corporation and will be retained by Denny’s Corporation and furnished to the Securities and Exchange Commission or its staff upon request.

v3.25.1

Cover Page - shares	3 Months Ended
	Mar. 26, 2025	Apr. 30, 2025
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 26, 2025
Document Transition Report	false
Entity File Number	0-18051
Entity Registrant Name	DENNY’S CORPORATION
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	13-3487402
Entity Address, Address Line One	203 East Main Street
Entity Address, City or Town	Spartanburg,
Entity Address, State or Province	SC
Entity Address, Postal Zip Code	29319-0001
City Area Code	864
Local Phone Number	597-8000
Title of 12(b) Security	$.01 Par Value, Common Stock
Trading Symbol	DENN
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		51,251,066
Entity Central Index Key	0000852772
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q1
Amendment Flag	false

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v3.25.1

Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 26, 2025	Dec. 25, 2024
Current assets:
Cash and cash equivalents	$ 1,039	$ 1,698
Investments	1,129	1,106
Receivables, net	17,197	24,433
Inventories	1,876	1,747
Assets held for sale	210	381
Prepaid and other current assets	10,383	10,628
Total current assets	31,834	39,993
Property, net of accumulated depreciation of $161,729 and $159,588, respectively	114,918	111,417
Finance lease right-of-use assets, net of accumulated amortization of $6,599 and $6,783, respectively	5,874	6,200
Operating lease right-of-use assets, net	126,834	124,738
Goodwill	66,357	66,357
Intangible assets, net	89,394	91,739
Deferred financing costs, net	907	1,066
Other noncurrent assets	51,957	54,764
Total assets	488,075	496,274
Current liabilities:
Current finance lease liabilities	1,253	1,284
Current operating lease liabilities	16,177	15,487
Accounts payable	16,731	19,985
Other current liabilities	52,145	58,842
Total current liabilities	86,306	95,598
Long-term liabilities:
Long-term debt	266,000	261,300
Noncurrent finance lease liabilities	8,960	9,284
Noncurrent operating lease liabilities	123,056	120,841
Liability for insurance claims, less current portion	5,926	5,866
Deferred income taxes, net	7,683	9,964
Other noncurrent liabilities	26,564	27,446
Total long-term liabilities	438,189	434,701
Total liabilities	524,495	530,299
Shareholders' deficit
Common stock $0.01 par value; 135,000 shares authorized; March 26, 2025: 51,649 shares issued and 51,431 outstanding; December 25, 2024: 51,329 shares issued and outstanding	516	513
Paid-in capital	1,566	0
Deficit	(2,173)	(2,499)
Accumulated other comprehensive loss, net	(35,348)	(32,039)
Treasury stock, at cost, 218 and 0 shares, respectively	(981)	0
Total shareholders' deficit	(36,420)	(34,025)
Total liabilities and shareholders' deficit	$ 488,075	$ 496,274

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v3.25.1

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 26, 2025	Dec. 25, 2024
Assets
Accumulated depreciation	$ 161,729	$ 159,588
Accumulated amortization	$ 6,599	$ 6,783
Shareholders' deficit
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	135,000,000	135,000,000
Common stock, shares issued (in shares)	51,649,000	51,329,000
Common stock, shares outstanding (in shares)	51,431,000	51,329,000
Treasury stock, at cost (in shares)	218,000	0

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v3.25.1

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Revenue:
Total operating revenue	$ 111,637	$ 109,974
Costs of company restaurant sales, excluding depreciation and amortization:
Product costs	14,211	13,311
Payroll and benefits	21,096	20,474
Occupancy	5,059	4,573
Other operating expenses	9,659	9,760
Total costs of company restaurant sales, excluding depreciation and amortization	50,025	48,118
Costs of franchise and license revenue, excluding depreciation and amortization	28,354	27,374
General and administrative expenses	20,030	21,222
Depreciation and amortization	4,107	3,581
Operating (gains), losses and other charges, net	3,911	(327)
Total operating costs and expenses, net	106,427	99,968
Operating income	5,210	10,006
Interest expense, net	4,428	4,420
Other nonoperating expense (income), net	162	(637)
Income before income taxes	620	6,223
Provision for income taxes	294	1,532
Net income	$ 326	$ 4,691
Net income per share - basic (in dollars per share)	$ 0.01	$ 0.09
Net income per share - diluted (in dollars per share)	$ 0.01	$ 0.09
Basic weighted average shares outstanding (in shares)	52,324	53,068
Diluted weighted average shares outstanding (in shares)	52,443	53,214
Company restaurant sales
Revenue:
Total operating revenue	$ 53,900	$ 52,342
Franchise and license revenue
Revenue:
Total operating revenue	$ 57,737	$ 57,632

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v3.25.1

Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 326	$ 4,691
Other comprehensive income (loss), net of tax:
Minimum pension liability adjustment, net of tax of $3 and $6, respectively	8	10
Changes in the fair value of cash flow hedges, net of tax of $(912) and $2,423, respectively	(2,707)	7,175
Reclassification of cash flow hedges to interest expense, net of tax of $(271) and $(381), respectively	(804)	(1,127)
Amortization of unrealized losses related to interest rate swaps to interest expense, net of tax of $65 and $36, respectively	194	106
Other comprehensive income (loss)	(3,309)	6,164
Total comprehensive income (loss)	$ (2,983)	$ 10,855

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v3.25.1

Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Statement of Comprehensive Income [Abstract]
Tax effect of minimum pension liability adjustment	$ 3	$ 6
Changes in fair value of cash flow derivatives, tax	(912)	2,423
Reclassification of cash flow derivatives to interest expense, tax	(271)	(381)
Reclassification of unrealized losses related to derivatives to interest expense, tax	$ 65	$ 36

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v3.25.1

Consolidated Statements of Shareholders' Deficit - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Treasury Stock	Paid-in Capital	Deficit	Accumulated Other Comprehensive Loss, Net
Balance as of beginning of period (in shares) at Dec. 27, 2023		52,906
Balance as of beginning of period at Dec. 27, 2023	$ (62,686)	$ 529	$ (6,460)	$ 6,688	$ (21,784)	$ (41,659)
Balance as of beginning of period, treasury stock (in shares) at Dec. 27, 2023			(667)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,691				4,691
Other comprehensive income (loss)	6,164					6,164
Share-based compensation on equity classified awards, net of withholding tax	850			850
Purchase of treasury stock, including excise tax (in shares)			(476)
Purchase of treasury stock, including excise tax	(4,763)		$ (4,763)
Issuance of common stock for share-based compensation (in shares)		356
Issuance of common stock for share-based compensation	0	$ 4		(4)
Balance as of end of period (in shares) at Mar. 27, 2024		53,262
Balance as of end of period at Mar. 27, 2024	$ (55,744)	$ 533	$ (11,223)	7,534	(17,093)	(35,495)
Balance as of end of period, treasury stock (in shares) at Mar. 27, 2024			(1,143)
Balance as of beginning of period (in shares) at Dec. 25, 2024	51,329	51,329
Balance as of beginning of period at Dec. 25, 2024	$ (34,025)	$ 513	$ 0	0	(2,499)	(32,039)
Balance as of beginning of period, treasury stock (in shares) at Dec. 25, 2024	0		0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 326				326
Other comprehensive income (loss)	(3,309)					(3,309)
Share-based compensation on equity classified awards, net of withholding tax	$ 1,569			1,569
Purchase of treasury stock, including excise tax (in shares)	(200)		(218)
Purchase of treasury stock, including excise tax	$ (981)		$ (981)
Issuance of common stock for share-based compensation (in shares)		320
Issuance of common stock for share-based compensation	$ 0	$ 3		(3)
Balance as of end of period (in shares) at Mar. 26, 2025	51,649	51,649
Balance as of end of period at Mar. 26, 2025	$ (36,420)	$ 516	$ (981)	$ 1,566	$ (2,173)	$ (35,348)
Balance as of end of period, treasury stock (in shares) at Mar. 26, 2025	(218)		(218)

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v3.25.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Cash flows from operating activities:
Net income	$ 326	$ 4,691
Adjustments to reconcile net income to cash flows provided by operating activities:
Depreciation and amortization	4,107	3,581
Operating (gains), losses and other charges, net	3,911	(327)
Amortization on interest rate swaps, net	259	141
Amortization of deferred financing costs	159	159
Gains on investments	(23)	(6)
(Gains) losses on early termination of debt and leases	(59)	123
Deferred income tax benefit	(1,155)	(768)
Decrease of tax valuation allowance	(8)	(26)
Share-based compensation expense	2,785	2,776
Changes in assets and liabilities, excluding acquisitions and dispositions:
Receivables	7,194	4,011
Inventories	(128)	102
Prepaids and other current assets	245	3,208
Other noncurrent assets	(2,209)	860
Operating lease assets and liabilities	120	(164)
Accounts payable	(356)	(11,037)
Other accrued liabilities	(9,233)	(6,408)
Other noncurrent liabilities	(920)	(701)
Net cash flows provided by operating activities	5,015	215
Cash flows from investing activities:
Capital expenditures	(9,099)	(4,905)
Proceeds from sales of real estate and other assets	1,886	986
Investment purchases	0	(1,500)
Collections on notes receivable	41	171
Issuance of notes receivable	0	(79)
Net cash flows used in investing activities	(7,172)	(5,327)
Cash flows from financing activities:
Revolver borrowings	29,900	52,200
Revolver payments	(25,200)	(46,500)
Repayments of finance leases	(309)	(370)
Tax withholding on share-based payments	(1,000)	(1,872)
Purchase of treasury stock	(952)	(4,774)
Net bank overdrafts	(941)	2,699
Net cash flows provided by financing activities	1,498	1,383
Decrease in cash and cash equivalents	(659)	(3,729)
Cash and cash equivalents at beginning of period	1,698	4,893
Cash and cash equivalents at end of period	$ 1,039	$ 1,164

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- Definition Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-24 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 1 -SubTopic 230 -Topic 830 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477401/830-230-45-1 + Details Name: us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 48 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-48 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 49 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-49 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482964/270-10-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (ee) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 + Details Name: us-gaap_DepreciationDepletionAndAmortization Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + Details Name: us-gaap_DerivativeGainLossOnDerivativeNet Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Definition Amount of cash outflow for principal payment on finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-5 + Details Name: us-gaap_FinanceLeasePrincipalPayments Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Definition Amount of realized and unrealized gain (loss) on investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(9)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)(c)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details Name: us-gaap_GainLossOnInvestments Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Definition Amount of gain (loss) on termination of lease before expiration of lease term. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 40 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479092/842-20-40-1 + Details Name: us-gaap_GainLossOnTerminationOfLease Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Definition The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details Name: us-gaap_IncreaseDecreaseInAccountsPayable Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Definition The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details Name: us-gaap_IncreaseDecreaseInDeferredIncomeTaxes Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Definition The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details Name: us-gaap_IncreaseDecreaseInInventories Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Definition The increase (decrease) during the reporting period in other expenses incurred but not yet paid. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details Name: us-gaap_IncreaseDecreaseInOtherAccruedLiabilities Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Definition Amount of increase (decrease) in prepaid expenses, and assets classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details Name: us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Definition The increase (decrease) during the reporting period in the total amount due within one year (or one operating cycle) from all parties, associated with underlying transactions that are classified as operating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details Name: us-gaap_IncreaseDecreaseInReceivables Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 + Details Name: us-gaap_ProceedsFromLinesOfCredit Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Definition The net cash inflow or outflow from the excess drawing from an existing cash balance, which will be honored by the bank but reflected as a loan to the drawer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 9 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-9 + Details Name: us-gaap_ProceedsFromRepaymentsOfBankOverdrafts Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details Name: us-gaap_RepaymentsOfLinesOfCredit Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details Name: us-gaap_ShareBasedCompensation Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details Name: us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

v3.25.1

Introduction and Basis of Presentation	3 Months Ended
	Mar. 26, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Introduction and Basis of Presentation	Introduction and Basis of Presentation Introduction Denny’s Corporation, or the Company, is one of America’s largest full-service restaurant chains based on number of restaurants. As of March 26, 2025, the Company consisted of 1,557 restaurants, 1,475 of which were franchised/licensed restaurants and 82 of which were company operated. The Company consists of the Denny’s brand ("Denny's") and the Keke’s Breakfast Café brand (“Keke’s”). As of March 26, 2025, the Denny's brand consisted of 1,491 restaurants, 1,430 of which were franchised/licensed restaurants and 61 of which were company operated. As of March 26, 2025, the Keke's brand consisted of 66 restaurants, 45 of which were franchised restaurants and 21 of which were company operated. Basis of Presentation Our unaudited consolidated financial statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission for interim financial information. Therefore, certain information and notes normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) have been omitted. In our opinion, all adjustments considered necessary for a fair presentation of the interim periods presented have been included. Such adjustments are of a normal and recurring nature. The preparation of these financial statements requires us to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent assets and liabilities. Actual results may differ from these estimates under different assumptions or conditions; however, we believe that our estimates are reasonable. These interim consolidated financial statements should be read in conjunction with our consolidated financial statements and notes thereto as of and for the fiscal year ended December 25, 2024 which are contained in our audited Annual Report on Form 10-K for the fiscal year ended December 25, 2024. The results of operations for the interim periods presented are not necessarily indicative of the results for the entire fiscal year ending December 31, 2025. Our significant interim accounting policies include the recognition of advertising and marketing costs, generally in proportion to revenue, and the recognition of income taxes using an estimated annual effective rate. Change in Presentation Certain reclassifications have been made in the 2024 interim consolidated financial statements and notes to conform to the 2025 presentation. These reclassifications did not affect total revenues or net income.

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- Definition The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480424/946-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480424/946-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 810 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/810/tableOfContent Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/205/tableOfContent + Details Name: us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Summary of Significant Accounting Policies	3 Months Ended
	Mar. 26, 2025
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Summary of Significant Accounting Policies   Newly Adopted Accounting Standards In November 2023, the FASB issued ASU 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures”. The new guidance requires enhanced reportable segment disclosures to include significant segment expenses. ASU 2023-07 is effective for annual periods beginning after December 15, 2023 (our fiscal 2024) and interim periods beginning after December 15, 2024 (our fiscal 2025). The Company adopted ASU 2023-07 during the year ended December 25, 2024. The adoption of this guidance did not have a material effect on our consolidated financial statements. See Note 16 for further detail. Accounting Standards to be Adopted In December 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures”. The new guidance requires enhanced effective tax rate reconciliation and income taxes paid disclosures. ASU 2023-09 is effective for annual periods beginning after December 15, 2024 (our fiscal 2025). We are currently evaluating the impact that the adoption of this new guidance will have on our consolidated financial statements and will add necessary disclosures upon adoption. In November 2024, the FASB issued ASU 2024-03, “Disaggregation of Income Statement Expenses (Subtopic 220-40)”. The new guidance requires disaggregation of certain relevant expenses included in the consolidated statements of income. ASU 2024-03 is effective for annual periods beginning after December 15, 2026 (our fiscal 2027) and interim periods beginning after December 15, 2027 (our fiscal 2028). We are currently evaluating the impact that the adoption of this new guidance will have on our consolidated financial statements and will add necessary disclosures upon adoption. We reviewed all other newly issued accounting pronouncements and concluded that they are either not applicable to our business or are not expected to have a material effect on our consolidated financial statements as a result of future adoption.

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- References No definition available. + Details Name: us-gaap_AccountingPoliciesAbstract Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Definition The entire disclosure for all significant accounting policies of the reporting entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483426/235-10-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 235 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/235/tableOfContent + Details Name: us-gaap_SignificantAccountingPoliciesTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Receivables	3 Months Ended
	Mar. 26, 2025
Receivables [Abstract]
Receivables	Receivables   Receivables consisted of the following:   March 26, 2025 December 25, 2024   (In thousands) Receivables, net:     Trade accounts receivable from franchisees $ 10,677  $ 15,798  Notes and loan receivables from franchisees 1,163  490  Vendor receivables 2,279  3,632  Credit card receivables 742  1,815  Other 2,828  3,140  Allowance for credit losses (492) (442) Total receivables, net $ 17,197  $ 24,433

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- Definition The entire disclosure for financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 44 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-44 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/310-10/tableOfContent Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/310-20/tableOfContent + Details Name: us-gaap_FinancingReceivablesTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

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v3.25.1

Goodwill and Intangible Assets	3 Months Ended
	Mar. 26, 2025
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets	Goodwill and Intangible Assets Goodwill by segment consisted of the following: March 26, 2025 December 25, 2024 (In thousands) Denny’s $ 37,507  $ 37,507  Other 28,850  28,850  Total goodwill $ 66,357  $ 66,357  Intangible assets consisted of the following:   March 26, 2025 December 25, 2024   Gross Carrying Amount Accumulated Amortization Gross Carrying Amount Accumulated Amortization   (In thousands) Intangible assets with indefinite lives:         Trade names $ 79,687  $ —  $ 79,687  $ —  Liquor licenses 120  —  120  —  Intangible assets with definite lives:         Reacquired franchise rights 9,135  6,385  9,135  6,188  Franchise agreements 8,216  1,379  10,603  1,618  Intangible assets, net $ 97,158  $ 7,764  $ 99,545  $ 7,806  Amortization expense for intangible assets with definite lives totaled $0.3 million and $0.4 million for the quarters ended March 26, 2025 and March 27, 2024, respectively.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details Name: us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Other Current Liabilities	3 Months Ended
	Mar. 26, 2025
Other Liabilities, Current [Abstract]
Other Current Liabilities	Other Current Liabilities   Other current liabilities consisted of the following:   March 26, 2025 December 25, 2024   (In thousands) Accrued payroll $ 11,247  $ 15,434  Current portion of liability for insurance claims 4,478  4,494  Accrued taxes 4,398  4,432  Accrued advertising 9,493  11,785  Gift cards 6,860  8,382  Accrued legal settlements 4,471  4,114  Accrued interest 4,173  4,368  Other 7,025  5,833  Other current liabilities $ 52,145  $ 58,842

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- References No definition available. + Details Name: us-gaap_OtherLiabilitiesCurrentAbstract Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Definition The entire disclosure for other liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(24)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 405 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/405/tableOfContent + Details Name: us-gaap_OtherLiabilitiesDisclosureTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Fair Value of Financial Instruments	3 Months Ended
	Mar. 26, 2025
Fair Value Disclosures [Abstract]
Fair Value of Financial Instruments	Fair Value of Financial Instruments Financial assets and liabilities measured at fair value on a recurring basis are summarized below:    Total Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3)   (In thousands) Fair value measurements as of March 26, 2025: Deferred compensation plan investments (1) $ 9,849  $ 9,849  $ —  $ —  Interest rate swaps (2) 16,146  —  16,146  —  Investments (3) 1,129  —  1,129  —  Total $ 27,124  $ 9,849  $ 17,275  $ —  Fair value measurements as of December 25, 2024: Deferred compensation plan investments (1) $ 10,400  $ 10,400  $ —  $ —  Interest rate swaps (2) 20,841  —  20,841  —  Investments (3) 1,106  —  1,106  —  Total $ 32,347  $ 10,400  $ 21,947  $ —  (1)    The fair values of our deferred compensation plan investments are based on the closing market prices of the elected investments and are included in other noncurrent assets in our Consolidated Balance Sheets. (2)    The fair values of our interest rate swaps are based upon Level 2 inputs, which include valuation models. The key inputs for the valuation models are quoted market prices, interest rates, forward yield curves and credit risk adjustments that are necessary to reflect the probability of default by the counterparty or us. For disclosures about the fair value measurements of our derivative instruments, see Note 7. (3)    The fair values of our investments are valued using a readily determinable net asset value per share based on the fair value of the underlying securities. There are no significant redemption restrictions associated with these investments. Those assets and liabilities measured at fair value on a non-recurring basis are summarized below: Significant Unobservable Inputs (Level 3)  Impairment Charges (In thousands) Fair value measurements as of March 26, 2025: Assets held and used(1)(2) $ 1,546  $ 1,206  Franchise agreements(1) $ —  $ 2,010  (1) As of March 26, 2025, impaired assets were written down to their estimated fair value. To determine fair value, we used the income approach, which assumes that the future cash flows reflect current market expectations. These fair value measurements require significant judgment using Level 3 inputs, such as discounted cash flows from operations, which are not observable from the market, directly or indirectly. There is uncertainty in the projected future cash flows used in the Company's impairment analysis, which requires the use of estimates and assumptions. If actual performance does not achieve the projections, or if the assumptions used change in the future, the Company may be required to recognize impairment charges in future periods. (2) Assets held and used that are measured at fair value on a non-recurring basis include property, operating lease right-of-use assets, finance lease right-of-use assets, goodwill and intangible assets. During the quarter ended March 26, 2025, we recognized impairment charges of $3.2 million related to certain of these assets. See Note 9. The carrying amounts of cash and cash equivalents, accounts receivable, accounts payable and accrued expenses are deemed to approximate fair value due to the immediate or short-term maturity of these instruments. The fair value of notes receivable approximates the carrying value after consideration of recorded allowances and related risk-based interest rates. The liabilities under our credit facility are carried at historical cost, which approximates fair value. The fair value of our senior secured revolver approximates its carrying value since it is a variable rate facility (Level 2).

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 107 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-107 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 940 -SubTopic 820 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478119/940-820-50-1 + Details Name: us-gaap_FairValueDisclosuresTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Long-Term Debt	3 Months Ended
	Mar. 26, 2025
Debt Disclosure [Abstract]
Long-Term Debt	Long-Term Debt The Company and certain of its subsidiaries have a credit facility consisting of a five-year $400 million senior secured revolver (with a $25 million letter of credit sublimit). The credit facility includes an accordion feature that would allow us to increase the size of the facility to $450 million. Borrowings bear a tiered interest rate, which is based on the Company's consolidated leverage ratio. The maturity date for the credit facility is August 26, 2026. The credit facility is available for working capital, capital expenditures and other general corporate purposes. The credit facility is guaranteed by the Company and its material subsidiaries and is secured by assets of the Company and its subsidiaries, including the stock of its subsidiaries (other than its insurance captive subsidiary). It includes negative covenants that are usual for facilities and transactions of this type. The credit facility also includes certain financial covenants, including a maximum consolidated leverage ratio of 4.0 times and a minimum consolidated fixed charge coverage ratio of 1.5 times. As of March 26, 2025, our consolidated leverage ratio was 3.9 times and our consolidated fixed charge coverage ratio was 2.1 times. We were in compliance with all financial covenants as of March 26, 2025, and we expect to remain in compliance throughout the remainder of 2025. As of March 26, 2025, we had outstanding revolver loans of $266.0 million and outstanding letters of credit under the credit facility of $16.1 million. These balances resulted in unused commitments of $117.9 million as of March 26, 2025 under the credit facility. As of March 26, 2025, borrowings under the credit facility bore interest at a rate of Adjusted Daily Simple SOFR plus 2.25%. Letters of credit under the credit facility bore interest at a rate of 2.38%. The commitment fee, paid on the unused portion of the credit facility, was set to 0.35%. Prior to considering the impact of our interest rate swaps, described below, the weighted-average interest rate on outstanding revolver loans was 6.65% and 6.98% as of March 26, 2025 and December 25, 2024, respectively. Taking into consideration our interest rate swaps that are designated as cash flow hedges, the weighted-average interest rate of outstanding revolver loans was 5.02% and 5.01% as of March 26, 2025 and December 25, 2024, respectively. Interest Rate Hedges We have receive-variable, pay-fixed interest rate swaps to hedge the forecasted cash flows of our floating rate debt. A summary of our interest rate swaps as of March 26, 2025 is as follows: Trade Date Effective Date Maturity Date Notional Amount Fair Value Fixed Rate (In thousands) Swaps designated as cash flow hedges March 20, 2015 March 29, 2018 March 31, 2025 $ 120,000  $ 26  2.34  % October 1, 2015 March 29, 2018 March 31, 2026 $ 50,000  $ 816  2.37  % February 15, 2018 March 31, 2020 December 31, 2033 $ 66,000  (1) $ 15,304  3.09  % Total $ 236,000  $ 16,146  (1)     The notional amounts of the swaps entered into on February 15, 2018 increased by $120 million on March 31, 2025 (subsequent to the end of the quarter) when the swaps entered into on March 20, 2015 expired and will increase periodically until they reach the maximum notional amount of $335 million on August 31, 2033. Changes in Fair Value of Interest Rate Swaps To the extent the swaps are highly effective in offsetting the variability of the hedged cash flows, changes in the fair value of the swaps are not included in the Consolidated Statements of Income but are reported as a component of other comprehensive income (loss). Our interest rate swaps are designated as cash flow hedges with unrealized gains and losses recorded as a component of accumulated other comprehensive loss, net. As of March 26, 2025, the fair value of the swaps designated as cash flow hedges was an asset of $16.1 million, recorded as a component of other noncurrent assets. The designated swaps have an offsetting amount (before taxes) recorded as a component of accumulated other comprehensive loss, net in our Consolidated Balance Sheets. See Note 13 for amounts recorded in accumulated other comprehensive loss related to interest rate swaps. During the quarter ended March 26, 2025, we reclassified $1.1 million from accumulated other comprehensive loss, net as a reduction to interest expense, net. We expect to reclassify $3.5 million from accumulated other comprehensive loss, net as a reduction to interest expense, net in our Consolidated Statements of Income related to swaps designated as cash flow hedges during the next 12 months. Amortization of Certain Amounts Included in Accumulated Other Comprehensive Loss, Net At March 26, 2025, we had a total of $63.1 million (before taxes) included in accumulated other comprehensive loss, net related to (i) the discontinuance of hedge accounting treatment related to certain cash flow hedges in prior years and (ii) the fair value of certain swaps at the date of designation as cash flow hedges that are being amortized into our Consolidated Statements of Income as a component of interest expense, net over the remaining term of the related swap. For the quarter ended March 26, 2025, we recorded unrealized losses of $0.3 million to interest expense, net. For the quarter ended March 27, 2024, we recorded unrealized losses of $0.1 million to interest expense, net. We expect to amortize $3.8 million from accumulated other comprehensive loss, net to interest expense, net in our Consolidated Statements of Income related to dedesignated interest rate swaps during the next 12 months.

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- Definition The entire disclosure for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 470 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/470/tableOfContent + Details Name: us-gaap_LongTermDebtTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Revenues	3 Months Ended
	Mar. 26, 2025
Revenue from Contract with Customer [Abstract]
Revenues	Revenues The following table disaggregates our revenue by sales channel and type of good or service:   Quarter Ended   March 26, 2025 March 27, 2024   (In thousands) Company restaurant sales $ 53,900  $ 52,342  Franchise and license revenue: Royalties 27,837  29,306  Advertising revenue 19,073  18,138  Initial and other fees 2,874  1,816  Occupancy revenue  7,953  8,372  Franchise and license revenue  57,737  57,632  Total operating revenue $ 111,637  $ 109,974  Franchise occupancy revenue consisted of the following:   Quarter Ended   March 26, 2025 March 27, 2024   (In thousands) Operating lease revenue $ 5,986  $ 6,128  Variable lease revenue 1,967  2,244  Total occupancy revenue $ 7,953  $ 8,372  Balances related to contracts with customers consist of receivables, contract assets, deferred franchise revenue and deferred gift card revenue. See Note 3 for details on our receivables. Deferred franchise revenue consists primarily of the unamortized portion of initial franchise fees that are currently being amortized into revenue and amounts related to development agreements and unopened restaurants that will begin amortizing into revenue when the related restaurants are opened. Deferred franchise revenue represents our remaining performance obligations to our franchisees, excluding amounts of variable consideration related to sales-based royalties and advertising. The components of the change in deferred franchise revenue are as follows:   (In thousands) Balance, December 25, 2024 $ 16,968  Fees received from franchisees 337  Revenue recognized (1) (866) Balance, March 26, 2025 16,439  Less current portion included in other current liabilities 2,001  Deferred franchise revenue included in other noncurrent liabilities $ 14,438  (1)    Of this amount $0.8 million was included in the deferred franchise revenue balance as of December 25, 2024. We record contract assets related to incentives and subsidies provided to franchisees related to new unit openings and/or equipment upgrades. These amounts will be recognized as a component of franchise and license revenue over the remaining term of the related franchise agreements. The components of the change in contract assets are as follows:   (In thousands) Balance, December 25, 2024 $ 6,706  Franchisee deferred costs 3,285  Contract asset amortization (322) Balance, March 26, 2025 9,669  Less current portion included in other current assets 1,316  Contract assets included in other noncurrent assets $ 8,353  The Company purchases equipment related to various programs for franchise restaurants, including kitchen and point-of-sale system equipment. We bill our franchisees and recognize revenue when the related equipment is installed, less amounts contributed from the Company, which have been deferred as contract assets in the table above. We recognized $0.5 million of revenue, recorded as a component of initial and other fees, related to the sale of equipment to franchisees during the quarter ended March 26, 2025. We recognized $0.3 million of revenue, recorded as a component of initial and other fees, related to the sale of equipment to franchisees during the quarter ended March 27, 2024. As of March 26, 2025, we had $0.2 million in inventory and $0.6 million in receivables related to the purchased equipment. As of December 25, 2024, we had $0.2 million in inventory and $0.4 million in receivables related to the purchased equipment. As of March 26, 2025, deferred franchise revenue, net of contract asset amortization, expected to be recognized in the future is as follows: (In thousands) Remainder of 2025 $ 465  2026 875  2027 851  2028 731  2029 631  Thereafter 3,217  Deferred franchise revenue, net $ 6,770  Deferred gift card liabilities consist of the unredeemed portion of gift cards sold in company restaurants and at third party locations. The balance of deferred gift card liabilities represents our remaining performance obligations to our customers. The balance of deferred gift card liabilities as of March 26, 2025 and December 25, 2024 was $6.9 million and $8.4 million, respectively. During the quarter ended March 26, 2025, we recognized revenue of $0.2 million from gift card redemptions at company restaurants.

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- References No definition available. + Details Name: us-gaap_RevenueFromContractWithCustomerAbstract Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-9 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-15 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 606 -Publisher FASB -URI https://asc.fasb.org/606/tableOfContent + Details Name: us-gaap_RevenueFromContractWithCustomerTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Operating (Gains), Losses and Other Charges, Net	3 Months Ended
	Mar. 26, 2025
Other Income and Expenses [Abstract]
Operating (Gains), Losses and Other Charges, Net	Operating (Gains), Losses and Other Charges, Net Operating (gains), losses and other charges, net consisted of the following:   Quarter Ended   March 26, 2025 March 27, 2024   (In thousands) Gains on sales of assets and other, net $ (1,742) $ (620) Impairment charges 3,216  95  Restructuring charges and exit costs 2,437  198  Operating (gains), losses and other charges, net $ 3,911  $ (327) During the quarters ended March 26, 2025 and March 27, 2024, gains on sales of assets and other, net were primarily related to the sales of real estate. As of March 26, 2025, we had recorded assets held for sale at their carrying amount of $0.2 million (consisting of property) related to one parcel of real estate. As of December 25, 2024, we had recorded assets held for sale at their carrying amount of $0.4 million (consisting of property) related to two parcels of real estate. We recorded impairment charges of $3.2 million for the quarter ended March 26, 2025, primarily related to closed franchise restaurants and the relocation of certain support functions. The $3.2 million for the quarter included $2.0 million related to franchise agreements, $0.4 million related to property, and $0.8 million related to operating lease right-of-use assets. Restructuring charges and exit costs consisted of the following:   Quarter Ended   March 26, 2025 March 27, 2024   (In thousands) Exit costs $ 40  $ 42  Severance and other restructuring charges 2,397  156  Total restructuring charges and exit costs $ 2,437  $ 198  Exit costs primarily consist of costs related to closed restaurants. Exit cost liabilities related to lease costs are included as a component of operating lease liabilities in our Consolidated Balance Sheets. Severance and other restructuring charges for the quarter ended March 26, 2025 primarily consisted of severance costs resulting from the elimination of approximately 40 positions as part of a cost savings initiative. As of March 26, 2025 and December 25, 2024, we had accrued severance and other restructuring charges of $1.6 million and $0.3 million, respectively. The balance as of March 26, 2025 is expected to be paid during the next 12 months.

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- Definition The entire disclosure for other operating income and other operating expense items. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(d)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1 + Details Name: us-gaap_OtherOperatingIncomeAndExpenseTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Share-Based Compensation	3 Months Ended
	Mar. 26, 2025
Share-Based Payment Arrangement [Abstract]
Share-Based Compensation	Share-Based Compensation Total share-based compensation included as a component of general and administrative expenses was as follows:   Quarter Ended   March 26, 2025 March 27, 2024   (In thousands) Employee share awards $ 2,552  $ 2,571  Restricted stock units for board members 233  205  Total share-based compensation $ 2,785  $ 2,776  Employee Share Awards During the quarter ended March 26, 2025, we granted certain employees 0.9 million performance share units (“PSUs”) with a weighted average grant date fair value of $6.73 per share that vest based on the total shareholder return (“TSR”) of our common stock compared to the TSRs of a group of peer companies. Half of these PSUs will be settled in cash, net of taxes (liability-classified awards) and half will be settled in shares of stock, net of shares withheld for taxes (equity-classified awards). As the TSR based PSUs contain a market condition, a Monte Carlo valuation was used to determine the grant date fair value. The performance period for these PSUs is the three-year fiscal period beginning December 26, 2024 and ending December 29, 2027. The PSUs will vest and be earned at the end of the performance period at which point the relative TSR achievement percentages will be applied to the vested units (from 0% to 150% of the target award). During the quarter ended March 26, 2025, we also granted certain employees 1.3 million restricted stock units ("RSUs") with a weighted average grant date fair value of $6.26 per share. These RSUs generally vest evenly over the three-year fiscal period beginning December 26, 2024 and ending December 29, 2027. We recognize compensation cost associated with these RSU awards on a straight-line basis over the entire performance period of the award. During the quarter ended March 26, 2025, we issued 0.3 million shares of common stock related to vested PSUs and RSUs. In addition, 0.2 million shares of common stock were withheld in lieu of taxes related to vested PSUs and RSUs.   As of March 26, 2025, we had $24.1 million of unrecognized compensation cost related to unvested PSU awards and RSU awards outstanding, which have a weighted average remaining contractual term of 2.2 years. Restricted Stock Units for Board Members As of March 26, 2025, we had $0.1 million of unrecognized compensation cost related to unvested RSU awards outstanding, which have a weighted average remaining contractual term of 0.1 years.

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- Definition The entire disclosure for share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/718/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (l) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details Name: us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

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v3.25.1

Income Taxes	3 Months Ended
	Mar. 26, 2025
Income Tax Disclosure [Abstract]
Income Taxes	Income TaxesThe effective income tax rate was 47.4% for the quarter ended March 26, 2025, compared 24.6% for the prior year period. The effective income tax rate for the quarter ended March 26, 2025 included discrete items relating to share-based compensation of 26.8%. We did not have similar discrete items for the quarter ended March 27, 2024.

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v3.25.1

Net Income Per Share	3 Months Ended
	Mar. 26, 2025
Earnings Per Share [Abstract]
Net Income Per Share	Net Income Per Share   The amounts used for the basic and diluted net income per share calculations are summarized below:   Quarter Ended   March 26, 2025 March 27, 2024   (In thousands, except per share amounts) Net income $ 326  $ 4,691  Weighted average shares outstanding - basic 52,324  53,068  Effect of dilutive share-based compensation awards 119  146  Weighted average shares outstanding - diluted 52,443  53,214  Net income per share - basic $ 0.01  $ 0.09  Net income per share - diluted $ 0.01  $ 0.09  Anti-dilutive share-based compensation awards 1,317  970

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/260/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-3 + Details Name: us-gaap_EarningsPerShareTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Shareholders' Deficit	3 Months Ended
	Mar. 26, 2025
Equity [Abstract]
Shareholders' Deficit	Shareholders' Deficit Share Repurchases Our credit facility permits the repurchase of the Company's stock and the payment of cash dividends subject to certain limitations. Our Board of Directors approves share repurchases of our common stock. Under these authorizations, we may, from time to time, purchase shares in the open market (including pre-arranged stock trading plans in accordance with the guidelines specified in Rule 10b5-1 under the Securities Exchange Act of 1934, as amended) or in privately negotiated transactions, subject to market and business conditions. Currently, we are operating under a $250 million share repurchase authorization approved by the Board of Directors in December 2019. During the quarter ended March 26, 2025, we repurchased a total of 0.2 million shares of our common stock for $1.0 million, including excise taxes. This brings the total amount repurchased under the current authorization to $161.8 million, leaving $88.2 million that can be used to repurchase our common stock under this authorization as of March 26, 2025. Repurchased shares are included as treasury stock in our Consolidated Balance Sheets and our Consolidated Statements of Shareholders' Deficit. In the fourth quarter of fiscal 2024, the Board approved the retirement of 2.0 million shares of treasury stock at a weighted average share price of $8.78, including excise taxes. As of March 26, 2025, 0.2 million shares were held in treasury stock. Accumulated Other Comprehensive Loss, Net The components of the change in accumulated other comprehensive loss, net were as follows: Defined Benefit Plans Derivatives Accumulated Other Comprehensive Loss, Net (In thousands) Balance as of December 25, 2024 $ (209) $ (31,830) $ (32,039) Amortization of net loss (1) 10  —  10  Settlement loss recognized 1  —  1  Changes in the fair value of cash flow hedges —  (3,619) (3,619) Reclassification of cash flow hedges to interest expense, net (2) —  (1,075) (1,075) Amortization of unrealized losses related to interest rate swaps to interest expense, net —  259  259  Income tax expense related to items of other comprehensive income (loss) (3) 1,118  1,115  Balance as of March 26, 2025 $ (201) $ (35,147) $ (35,348) (1)    Before-tax amount related to our defined benefit plans that was reclassified from accumulated other comprehensive loss, net and included as a component of pension expense within general and administrative expenses in our Consolidated Statements of Income during the quarter ended March 26, 2025. (2)    Amounts reclassified from accumulated other comprehensive loss, net into interest expense, net in our Consolidated Statements of Income represent payments either (received from) or made to the counterparty for the interest rate hedges. See Note 7 for additional details.

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- Definition The entire disclosure for equity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-13 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-14 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477968/946-235-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477968/946-235-50-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478448/946-505-50-6 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-6 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/505/tableOfContent Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-13 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-13 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-13 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-14 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-14 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-16 Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-18 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-18 Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-18 + Details Name: us-gaap_StockholdersEquityNoteDisclosureTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Commitments and Contingencies	3 Months Ended
	Mar. 26, 2025
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Legal Proceedings There are various claims and pending legal actions against or indirectly involving us, incidental to and arising out of the ordinary course of the business. In the opinion of management, based upon information currently available, the ultimate liability with respect to these proceedings and claims will not materially affect our consolidated results of operations or financial position.

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- Definition The entire disclosure for commitments and contingencies. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 405 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/405-30/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 440 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482648/440-10-50-4 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/450/tableOfContent Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 954 -SubTopic 440 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478522/954-440-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 440 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482648/440-10-50-4 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 440 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/440/tableOfContent + Details Name: us-gaap_CommitmentsAndContingenciesDisclosureTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Supplemental Cash Flow Information	3 Months Ended
	Mar. 26, 2025
Supplemental Cash Flow Information [Abstract]
Supplemental Cash Flow Information	Supplemental Cash Flow Information   Quarter Ended   March 26, 2025 March 27, 2024   (In thousands) Income taxes paid, net $ 314  $ 355  Interest paid $ 4,250  $ 4,006  Noncash investing and financing activities:     Accrued purchase of property $ 1,004  $ 100  Issuance of common stock, pursuant to share-based compensation plans $ 2,001  $ 3,793  Execution of finance leases $ 72  $ 42  Treasury stock payable $ 29  $ 88  Treasury stock excise tax payable $ 73  $ 464

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- Definition The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/230/tableOfContent + Details Name: us-gaap_CashFlowSupplementalDisclosuresTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

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v3.25.1

Segment Information	3 Months Ended
	Mar. 26, 2025
Segment Reporting [Abstract]
Segment Information	Segment Information We manage our business by brand and as a result have identified two operating segments, Denny’s and Keke’s. In addition, we have identified Denny’s as a reportable segment. The Denny’s reportable segment includes the results of all company and franchised and licensed Denny’s restaurants. Our Keke’s operating segment, which includes the results of all company and franchised Keke's restaurants, is included in Other. The primary sources of revenues for all operating segments are the sale of food and beverages at our company restaurants and the collection of royalties, advertising revenue, initial and other fees, including occupancy revenue, from restaurants operated by our franchisees. We do not rely on any major customer as a source of sales and the customers and assets of all operating segments are located predominantly in the United States. There are no material transactions between segments. Management’s measure of segment income is restaurant-level operating margin. The Company defines restaurant-level operating margin as operating income excluding the following four items: general and administrative expenses, depreciation and amortization, goodwill impairment charges and operating (gains), losses and other charges, net. The Company excludes general and administrative expenses, which include primarily non restaurant-level costs associated with the support of company and franchised restaurants and other activities at their corporate office. The Company excludes depreciation and amortization expense, substantially all of which is related to company restaurant-level assets, because such expenses represent historical sunk costs which do not reflect current cash outlays for the restaurants. The Company excludes goodwill impairment charges and operating (gains), losses and other charges, net, to provide a clearer perspective of its ongoing operating performance and more relevant comparison to prior period results. The Company's chief operating decision maker (“CODM”) is our Chief Executive Officer. Restaurant-level operating margin is used by our CODM to evaluate restaurant-level operating efficiency and performance and make key operating decisions. The following tables present revenues by segment and a reconciliation of restaurant-level operating margin to net income: Quarter Ended March 26, 2025 Denny's Other Total Revenues (In thousands) Company restaurant sales $ 45,706  $ 8,194  $ 53,900  Franchise and license revenue: Royalties $ 26,592  $ 1,245  $ 27,837  Advertising revenue $ 18,620  $ 453  $ 19,073  Initial and other fees $ 2,729  $ 145  $ 2,874  Occupancy revenue $ 7,920  $ 33  $ 7,953  Total franchise and license revenue 55,861  1,876  57,737  Total operating revenue $ 101,567  $ 10,070  $ 111,637  Cost and expenses Costs of company restaurant sales, excluding depreciation and amortization: Product costs $ 11,719  $ 2,492  $ 14,211  Payroll and benefits 17,693  3,403  21,096  Occupancy costs 3,997  1,062  5,059  Other operating expenses: Utilities 1,459  235  1,694  Repairs and maintenance 764  72  836  Marketing 1,813  215  2,028  Legal settlements 425  (20) 405  Pre-opening costs —  709  709  Other direct costs 3,310  677  3,987  Total costs of company restaurant sales, excluding depreciation and amortization 41,180  8,845  50,025  Costs of franchise and license revenue, excluding depreciation and amortization: Advertising costs 18,620  453  19,073  Occupancy costs 4,900  33  4,933  Other direct costs 3,940  408  4,348  Total costs of franchise and license revenue, excluding depreciation and amortization 27,460  894  28,354  Total restaurant-level operating margin 32,927  331  33,258  Reconciliation of restaurant-level operating margin to net income General and administrative expenses 20,030  Depreciation and amortization 4,107  Operating (gains), losses and other charges, net 3,911  Total other operating expenses 28,048  Operating income 5,210  Interest expense, net 4,428  Other nonoperating expense, net 162  Income before income taxes 620  Provision for income taxes 294  Net income $ 326  Quarter Ended March 27, 2024 Denny's Other Total Revenues (In thousands) Company restaurant sales $ 48,168  $ 4,174  $ 52,342  Franchise and license revenue: Royalties $ 28,049  $ 1,257  $ 29,306  Advertising revenue $ 17,680  $ 458  $ 18,138  Initial and other fees $ 1,743  $ 73  $ 1,816  Occupancy revenue $ 8,372  $ —  $ 8,372  Total franchise and license revenue 55,844  1,788  57,632  Total operating revenue $ 104,012  $ 5,962  $ 109,974  Cost and expenses Costs of company restaurant sales, excluding depreciation and amortization: Product costs $ 12,204  $ 1,107  $ 13,311  Payroll and benefits 18,657  1,817  20,474  Occupancy costs 4,013  560  4,573  Other operating expenses: Utilities 1,547  108  1,655  Repairs and maintenance 977  28  1,005  Marketing 1,481  123  1,604  Legal settlements 1,449  —  1,449  Pre-opening costs —  366  366  Other direct costs 3,230  451  3,681  Total costs of company restaurant sales, excluding depreciation and amortization 43,558  4,560  48,118  Costs of franchise and license revenue, excluding depreciation and amortization: Advertising costs 17,680  458  18,138  Occupancy costs 5,132  —  5,132  Other direct costs 3,981  123  4,104  Total costs of franchise and license revenue, excluding depreciation and amortization 26,793  581  27,374  Total restaurant-level operating margin 33,661  821  34,482  Reconciliation of restaurant-level operating margin to net income General and administrative expenses 21,222  Depreciation and amortization 3,581  Operating (gains), losses and other charges, net (327) Total other operating expenses 24,476  Operating income 10,006  Interest expense, net 4,420  Other nonoperating income, net (637) Income before income taxes 6,223  Provision for income taxes 1,532  Net income $ 4,691  March 26, 2025 December 25, 2024 Segment assets: (In thousands) Denny’s $ 329,988  $ 344,986  Other 158,087  151,288  Total assets $ 488,075  $ 496,274

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v3.25.1

Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Pay vs Performance Disclosure
Net income	$ 326	$ 4,691

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v3.25.1

Insider Trading Arrangements	3 Months Ended
	Mar. 26, 2025
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

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v3.25.1

Summary of Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 26, 2025
Accounting Policies [Abstract]
Basis of Presentation/ Change in Presentation	Basis of Presentation Our unaudited consolidated financial statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission for interim financial information. Therefore, certain information and notes normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) have been omitted. In our opinion, all adjustments considered necessary for a fair presentation of the interim periods presented have been included. Such adjustments are of a normal and recurring nature. The preparation of these financial statements requires us to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent assets and liabilities. Actual results may differ from these estimates under different assumptions or conditions; however, we believe that our estimates are reasonable. These interim consolidated financial statements should be read in conjunction with our consolidated financial statements and notes thereto as of and for the fiscal year ended December 25, 2024 which are contained in our audited Annual Report on Form 10-K for the fiscal year ended December 25, 2024. The results of operations for the interim periods presented are not necessarily indicative of the results for the entire fiscal year ending December 31, 2025. Our significant interim accounting policies include the recognition of advertising and marketing costs, generally in proportion to revenue, and the recognition of income taxes using an estimated annual effective rate.
Change in Presentation	Change in Presentation Certain reclassifications have been made in the 2024 interim consolidated financial statements and notes to conform to the 2025 presentation. These reclassifications did not affect total revenues or net income.
Newly Adopted Accounting Standards and Accounting Standards to be Adopted	Newly Adopted Accounting Standards In November 2023, the FASB issued ASU 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures”. The new guidance requires enhanced reportable segment disclosures to include significant segment expenses. ASU 2023-07 is effective for annual periods beginning after December 15, 2023 (our fiscal 2024) and interim periods beginning after December 15, 2024 (our fiscal 2025). The Company adopted ASU 2023-07 during the year ended December 25, 2024. The adoption of this guidance did not have a material effect on our consolidated financial statements. See Note 16 for further detail. Accounting Standards to be Adopted In December 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures”. The new guidance requires enhanced effective tax rate reconciliation and income taxes paid disclosures. ASU 2023-09 is effective for annual periods beginning after December 15, 2024 (our fiscal 2025). We are currently evaluating the impact that the adoption of this new guidance will have on our consolidated financial statements and will add necessary disclosures upon adoption. In November 2024, the FASB issued ASU 2024-03, “Disaggregation of Income Statement Expenses (Subtopic 220-40)”. The new guidance requires disaggregation of certain relevant expenses included in the consolidated statements of income. ASU 2024-03 is effective for annual periods beginning after December 15, 2026 (our fiscal 2027) and interim periods beginning after December 15, 2027 (our fiscal 2028). We are currently evaluating the impact that the adoption of this new guidance will have on our consolidated financial statements and will add necessary disclosures upon adoption. We reviewed all other newly issued accounting pronouncements and concluded that they are either not applicable to our business or are not expected to have a material effect on our consolidated financial statements as a result of future adoption.

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v3.25.1

Receivables (Tables)	3 Months Ended
	Mar. 26, 2025
Receivables [Abstract]
Schedule of Receivables	Receivables consisted of the following:   March 26, 2025 December 25, 2024   (In thousands) Receivables, net:     Trade accounts receivable from franchisees $ 10,677  $ 15,798  Notes and loan receivables from franchisees 1,163  490  Vendor receivables 2,279  3,632  Credit card receivables 742  1,815  Other 2,828  3,140  Allowance for credit losses (492) (442) Total receivables, net $ 17,197  $ 24,433

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details Name: us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Goodwill and Intangible Assets (Tables)	3 Months Ended
	Mar. 26, 2025
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Goodwill by Segment	Goodwill by segment consisted of the following: March 26, 2025 December 25, 2024 (In thousands) Denny’s $ 37,507  $ 37,507  Other 28,850  28,850  Total goodwill $ 66,357  $ 66,357
Schedule of Indefinite-Lived Intangible Assets	Intangible assets consisted of the following:   March 26, 2025 December 25, 2024   Gross Carrying Amount Accumulated Amortization Gross Carrying Amount Accumulated Amortization   (In thousands) Intangible assets with indefinite lives:         Trade names $ 79,687  $ —  $ 79,687  $ —  Liquor licenses 120  —  120  —  Intangible assets with definite lives:         Reacquired franchise rights 9,135  6,385  9,135  6,188  Franchise agreements 8,216  1,379  10,603  1,618  Intangible assets, net $ 97,158  $ 7,764  $ 99,545  $ 7,806
Schedule of Finite-Lived Intangible Assets	Intangible assets consisted of the following:   March 26, 2025 December 25, 2024   Gross Carrying Amount Accumulated Amortization Gross Carrying Amount Accumulated Amortization   (In thousands) Intangible assets with indefinite lives:         Trade names $ 79,687  $ —  $ 79,687  $ —  Liquor licenses 120  —  120  —  Intangible assets with definite lives:         Reacquired franchise rights 9,135  6,385  9,135  6,188  Franchise agreements 8,216  1,379  10,603  1,618  Intangible assets, net $ 97,158  $ 7,764  $ 99,545  $ 7,806

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details Name: us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482548/350-20-55-24 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1A Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-2 + Details Name: us-gaap_ScheduleOfGoodwillTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details Name: us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Other Current Liabilities (Tables)	3 Months Ended
	Mar. 26, 2025
Other Liabilities, Current [Abstract]
Schedule of Other Current Liabilities	Other current liabilities consisted of the following:   March 26, 2025 December 25, 2024   (In thousands) Accrued payroll $ 11,247  $ 15,434  Current portion of liability for insurance claims 4,478  4,494  Accrued taxes 4,398  4,432  Accrued advertising 9,493  11,785  Gift cards 6,860  8,382  Accrued legal settlements 4,471  4,114  Accrued interest 4,173  4,368  Other 7,025  5,833  Other current liabilities $ 52,145  $ 58,842

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- References No definition available. + Details Name: us-gaap_OtherLiabilitiesCurrentAbstract Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details Name: us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Fair Value of Financial Instruments (Tables)	3 Months Ended
	Mar. 26, 2025
Fair Value Disclosures [Abstract]
Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis	Financial assets and liabilities measured at fair value on a recurring basis are summarized below:    Total Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3)   (In thousands) Fair value measurements as of March 26, 2025: Deferred compensation plan investments (1) $ 9,849  $ 9,849  $ —  $ —  Interest rate swaps (2) 16,146  —  16,146  —  Investments (3) 1,129  —  1,129  —  Total $ 27,124  $ 9,849  $ 17,275  $ —  Fair value measurements as of December 25, 2024: Deferred compensation plan investments (1) $ 10,400  $ 10,400  $ —  $ —  Interest rate swaps (2) 20,841  —  20,841  —  Investments (3) 1,106  —  1,106  —  Total $ 32,347  $ 10,400  $ 21,947  $ —  (1)    The fair values of our deferred compensation plan investments are based on the closing market prices of the elected investments and are included in other noncurrent assets in our Consolidated Balance Sheets. (2)    The fair values of our interest rate swaps are based upon Level 2 inputs, which include valuation models. The key inputs for the valuation models are quoted market prices, interest rates, forward yield curves and credit risk adjustments that are necessary to reflect the probability of default by the counterparty or us. For disclosures about the fair value measurements of our derivative instruments, see Note 7. (3)    The fair values of our investments are valued using a readily determinable net asset value per share based on the fair value of the underlying securities. There are no significant redemption restrictions associated with these investments.
Schedule of Financial Assets and Liabilities Measured at Fair Value on a Non - Recurring Basis	Those assets and liabilities measured at fair value on a non-recurring basis are summarized below: Significant Unobservable Inputs (Level 3)  Impairment Charges (In thousands) Fair value measurements as of March 26, 2025: Assets held and used(1)(2) $ 1,546  $ 1,206  Franchise agreements(1) $ —  $ 2,010  (1) As of March 26, 2025, impaired assets were written down to their estimated fair value. To determine fair value, we used the income approach, which assumes that the future cash flows reflect current market expectations. These fair value measurements require significant judgment using Level 3 inputs, such as discounted cash flows from operations, which are not observable from the market, directly or indirectly. There is uncertainty in the projected future cash flows used in the Company's impairment analysis, which requires the use of estimates and assumptions. If actual performance does not achieve the projections, or if the assumptions used change in the future, the Company may be required to recognize impairment charges in future periods. (2) Assets held and used that are measured at fair value on a non-recurring basis include property, operating lease right-of-use assets, finance lease right-of-use assets, goodwill and intangible assets.

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- Definition Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details Name: us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

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- References No definition available. + Details Name: us-gaap_FairValueDisclosuresAbstract Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details Name: us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Long-Term Debt (Tables)	3 Months Ended
	Mar. 26, 2025
Debt Disclosure [Abstract]
Schedule of Interest Rate Swaps	A summary of our interest rate swaps as of March 26, 2025 is as follows: Trade Date Effective Date Maturity Date Notional Amount Fair Value Fixed Rate (In thousands) Swaps designated as cash flow hedges March 20, 2015 March 29, 2018 March 31, 2025 $ 120,000  $ 26  2.34  % October 1, 2015 March 29, 2018 March 31, 2026 $ 50,000  $ 816  2.37  % February 15, 2018 March 31, 2020 December 31, 2033 $ 66,000  (1) $ 15,304  3.09  % Total $ 236,000  $ 16,146  (1)     The notional amounts of the swaps entered into on February 15, 2018 increased by $120 million on March 31, 2025 (subsequent to the end of the quarter) when the swaps entered into on March 20, 2015 expired and will increase periodically until they reach the maximum notional amount of $335 million on August 31, 2033.

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- References No definition available. + Details Name: us-gaap_DebtDisclosureAbstract Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-8 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4B Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-5 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C + Details Name: us-gaap_ScheduleOfDerivativeInstrumentsTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Revenues (Tables)	3 Months Ended
	Mar. 26, 2025
Revenue from Contract with Customer [Abstract]
Schedule of Disaggregation of Revenue	The following table disaggregates our revenue by sales channel and type of good or service:   Quarter Ended   March 26, 2025 March 27, 2024   (In thousands) Company restaurant sales $ 53,900  $ 52,342  Franchise and license revenue: Royalties 27,837  29,306  Advertising revenue 19,073  18,138  Initial and other fees 2,874  1,816  Occupancy revenue  7,953  8,372  Franchise and license revenue  57,737  57,632  Total operating revenue $ 111,637  $ 109,974
Schedule of Components of Lease Income	Franchise occupancy revenue consisted of the following:   Quarter Ended   March 26, 2025 March 27, 2024   (In thousands) Operating lease revenue $ 5,986  $ 6,128  Variable lease revenue 1,967  2,244  Total occupancy revenue $ 7,953  $ 8,372
Schedule of Components of the Change in Contract Asset and Contract Liability	The components of the change in deferred franchise revenue are as follows:   (In thousands) Balance, December 25, 2024 $ 16,968  Fees received from franchisees 337  Revenue recognized (1) (866) Balance, March 26, 2025 16,439  Less current portion included in other current liabilities 2,001  Deferred franchise revenue included in other noncurrent liabilities $ 14,438  (1)    Of this amount $0.8 million was included in the deferred franchise revenue balance as of December 25, 2024. The components of the change in contract assets are as follows:   (In thousands) Balance, December 25, 2024 $ 6,706  Franchisee deferred costs 3,285  Contract asset amortization (322) Balance, March 26, 2025 9,669  Less current portion included in other current assets 1,316  Contract assets included in other noncurrent assets $ 8,353
Schedule of Deferred Franchise Revenue Recognition	As of March 26, 2025, deferred franchise revenue, net of contract asset amortization, expected to be recognized in the future is as follows: (In thousands) Remainder of 2025 $ 465  2026 875  2027 851  2028 731  2029 631  Thereafter 3,217  Deferred franchise revenue, net $ 6,770

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details Name: us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details Name: us-gaap_DisaggregationOfRevenueTableTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

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- Definition Tabular disclosure of components of income from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479773/842-30-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482964/270-10-50-6A + Details Name: us-gaap_OperatingLeaseLeaseIncomeTableTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

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- References No definition available. + Details Name: us-gaap_RevenueFromContractWithCustomerAbstract Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Definition Tabular disclosure of expected timing for satisfying remaining performance obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(1) -SubTopic 10 -Topic 606 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 + Details Name: us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Operating (Gains), Losses and Other Charges, Net (Tables)	3 Months Ended
	Mar. 26, 2025
Other Income and Expenses [Abstract]
Schedule of Operating Gains Losses and Other Charges, Net	Operating (gains), losses and other charges, net consisted of the following:   Quarter Ended   March 26, 2025 March 27, 2024   (In thousands) Gains on sales of assets and other, net $ (1,742) $ (620) Impairment charges 3,216  95  Restructuring charges and exit costs 2,437  198  Operating (gains), losses and other charges, net $ 3,911  $ (327)
Schedule of Restructuring Charges and Exit Costs	Restructuring charges and exit costs consisted of the following:   Quarter Ended   March 26, 2025 March 27, 2024   (In thousands) Exit costs $ 40  $ 42  Severance and other restructuring charges 2,397  156  Total restructuring charges and exit costs $ 2,437  $ 198

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- References No definition available. + Details Name: us-gaap_OtherIncomeAndExpensesAbstract Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Definition Tabular disclosure of each detailed component of other operating costs and expenses that are applicable to sales and revenues, but not included in the cost of sales in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details Name: us-gaap_ScheduleOfOtherOperatingCostAndExpenseByComponentTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details Name: us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Share-Based Compensation (Tables)	3 Months Ended
	Mar. 26, 2025
Share-Based Payment Arrangement [Abstract]
Schedule of Total Share-based Compensation	Total share-based compensation included as a component of general and administrative expenses was as follows:   Quarter Ended   March 26, 2025 March 27, 2024   (In thousands) Employee share awards $ 2,552  $ 2,571  Restricted stock units for board members 233  205  Total share-based compensation $ 2,785  $ 2,776

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details Name: us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Net Income Per Share (Tables)	3 Months Ended
	Mar. 26, 2025
Earnings Per Share [Abstract]
Schedule of Basic and Diluted Net Income Per Share	The amounts used for the basic and diluted net income per share calculations are summarized below:   Quarter Ended   March 26, 2025 March 27, 2024   (In thousands, except per share amounts) Net income $ 326  $ 4,691  Weighted average shares outstanding - basic 52,324  53,068  Effect of dilutive share-based compensation awards 119  146  Weighted average shares outstanding - diluted 52,443  53,214  Net income per share - basic $ 0.01  $ 0.09  Net income per share - diluted $ 0.01  $ 0.09  Anti-dilutive share-based compensation awards 1,317  970

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- References No definition available. + Details Name: us-gaap_EarningsPerShareAbstract Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details Name: us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.1

Shareholders' Deficit (Tables)	3 Months Ended
	Mar. 26, 2025
Equity [Abstract]
Schedule of Components of Accumulated Other Comprehensive Income (Loss)	The components of the change in accumulated other comprehensive loss, net were as follows: Defined Benefit Plans Derivatives Accumulated Other Comprehensive Loss, Net (In thousands) Balance as of December 25, 2024 $ (209) $ (31,830) $ (32,039) Amortization of net loss (1) 10  —  10  Settlement loss recognized 1  —  1  Changes in the fair value of cash flow hedges —  (3,619) (3,619) Reclassification of cash flow hedges to interest expense, net (2) —  (1,075) (1,075) Amortization of unrealized losses related to interest rate swaps to interest expense, net —  259  259  Income tax expense related to items of other comprehensive income (loss) (3) 1,118  1,115  Balance as of March 26, 2025 $ (201) $ (35,147) $ (35,348) (1)    Before-tax amount related to our defined benefit plans that was reclassified from accumulated other comprehensive loss, net and included as a component of pension expense within general and administrative expenses in our Consolidated Statements of Income during the quarter ended March 26, 2025. (2)    Amounts reclassified from accumulated other comprehensive loss, net into interest expense, net in our Consolidated Statements of Income represent payments either (received from) or made to the counterparty for the interest rate hedges. See Note 7 for additional details.

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v3.25.1

Supplemental Cash Flow Information (Tables)	3 Months Ended
	Mar. 26, 2025
Supplemental Cash Flow Information [Abstract]
Schedule of Supplemental Cash Flow Information	Quarter Ended   March 26, 2025 March 27, 2024   (In thousands) Income taxes paid, net $ 314  $ 355  Interest paid $ 4,250  $ 4,006  Noncash investing and financing activities:     Accrued purchase of property $ 1,004  $ 100  Issuance of common stock, pursuant to share-based compensation plans $ 2,001  $ 3,793  Execution of finance leases $ 72  $ 42  Treasury stock payable $ 29  $ 88  Treasury stock excise tax payable $ 73  $ 464

X

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v3.25.1

Segment Information (Tables)	3 Months Ended
	Mar. 26, 2025
Segment Reporting [Abstract]
Schedule of Segment Reporting Information, by Segment	The following tables present revenues by segment and a reconciliation of restaurant-level operating margin to net income: Quarter Ended March 26, 2025 Denny's Other Total Revenues (In thousands) Company restaurant sales $ 45,706  $ 8,194  $ 53,900  Franchise and license revenue: Royalties $ 26,592  $ 1,245  $ 27,837  Advertising revenue $ 18,620  $ 453  $ 19,073  Initial and other fees $ 2,729  $ 145  $ 2,874  Occupancy revenue $ 7,920  $ 33  $ 7,953  Total franchise and license revenue 55,861  1,876  57,737  Total operating revenue $ 101,567  $ 10,070  $ 111,637  Cost and expenses Costs of company restaurant sales, excluding depreciation and amortization: Product costs $ 11,719  $ 2,492  $ 14,211  Payroll and benefits 17,693  3,403  21,096  Occupancy costs 3,997  1,062  5,059  Other operating expenses: Utilities 1,459  235  1,694  Repairs and maintenance 764  72  836  Marketing 1,813  215  2,028  Legal settlements 425  (20) 405  Pre-opening costs —  709  709  Other direct costs 3,310  677  3,987  Total costs of company restaurant sales, excluding depreciation and amortization 41,180  8,845  50,025  Costs of franchise and license revenue, excluding depreciation and amortization: Advertising costs 18,620  453  19,073  Occupancy costs 4,900  33  4,933  Other direct costs 3,940  408  4,348  Total costs of franchise and license revenue, excluding depreciation and amortization 27,460  894  28,354  Total restaurant-level operating margin 32,927  331  33,258  Reconciliation of restaurant-level operating margin to net income General and administrative expenses 20,030  Depreciation and amortization 4,107  Operating (gains), losses and other charges, net 3,911  Total other operating expenses 28,048  Operating income 5,210  Interest expense, net 4,428  Other nonoperating expense, net 162  Income before income taxes 620  Provision for income taxes 294  Net income $ 326  Quarter Ended March 27, 2024 Denny's Other Total Revenues (In thousands) Company restaurant sales $ 48,168  $ 4,174  $ 52,342  Franchise and license revenue: Royalties $ 28,049  $ 1,257  $ 29,306  Advertising revenue $ 17,680  $ 458  $ 18,138  Initial and other fees $ 1,743  $ 73  $ 1,816  Occupancy revenue $ 8,372  $ —  $ 8,372  Total franchise and license revenue 55,844  1,788  57,632  Total operating revenue $ 104,012  $ 5,962  $ 109,974  Cost and expenses Costs of company restaurant sales, excluding depreciation and amortization: Product costs $ 12,204  $ 1,107  $ 13,311  Payroll and benefits 18,657  1,817  20,474  Occupancy costs 4,013  560  4,573  Other operating expenses: Utilities 1,547  108  1,655  Repairs and maintenance 977  28  1,005  Marketing 1,481  123  1,604  Legal settlements 1,449  —  1,449  Pre-opening costs —  366  366  Other direct costs 3,230  451  3,681  Total costs of company restaurant sales, excluding depreciation and amortization 43,558  4,560  48,118  Costs of franchise and license revenue, excluding depreciation and amortization: Advertising costs 17,680  458  18,138  Occupancy costs 5,132  —  5,132  Other direct costs 3,981  123  4,104  Total costs of franchise and license revenue, excluding depreciation and amortization 26,793  581  27,374  Total restaurant-level operating margin 33,661  821  34,482  Reconciliation of restaurant-level operating margin to net income General and administrative expenses 21,222  Depreciation and amortization 3,581  Operating (gains), losses and other charges, net (327) Total other operating expenses 24,476  Operating income 10,006  Interest expense, net 4,420  Other nonoperating income, net (637) Income before income taxes 6,223  Provision for income taxes 1,532  Net income $ 4,691  March 26, 2025 December 25, 2024 Segment assets: (In thousands) Denny’s $ 329,988  $ 344,986  Other 158,087  151,288  Total assets $ 488,075  $ 496,274

X

- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details Name: us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

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v3.25.1

Introduction and Basis of Presentation (Details)	Mar. 26, 2025 restaurant
Franchisor Disclosure [Line Items]
Number of restaurants	1,557
Denny's Brand
Franchisor Disclosure [Line Items]
Number of restaurants	1,491
Keke's
Franchisor Disclosure [Line Items]
Number of restaurants	66
Franchised/licensed Restaurants
Franchisor Disclosure [Line Items]
Number of restaurants	1,475
Franchised/licensed Restaurants | Denny's Brand
Franchisor Disclosure [Line Items]
Number of restaurants	1,430
Franchised/licensed Restaurants | Keke's
Franchisor Disclosure [Line Items]
Number of restaurants	45
Company Restaurants
Franchisor Disclosure [Line Items]
Number of restaurants	82
Company Restaurants | Denny's Brand
Franchisor Disclosure [Line Items]
Number of restaurants	61
Company Restaurants | Keke's
Franchisor Disclosure [Line Items]
Number of restaurants	21

X

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v3.25.1

Receivables - Schedule of Receivables, Net (Details) - USD ($) $ in Thousands	Mar. 26, 2025	Dec. 25, 2024
Receivables, net:
Trade accounts receivable from franchisees	$ 10,677	$ 15,798
Notes and loan receivables from franchisees	1,163	490
Allowance for credit losses	(492)	(442)
Total receivables, net	17,197	24,433
Vendor receivables
Receivables, net:
Other receivables, gross, current	2,279	3,632
Credit card receivables
Receivables, net:
Other receivables, gross, current	742	1,815
Other
Receivables, net:
Other receivables, gross, current	$ 2,828	$ 3,140

X

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v3.25.1

Goodwill and Intangible Assets - Schedule of Goodwill by Segment (Details) - USD ($) $ in Thousands	Mar. 26, 2025	Dec. 25, 2024
Goodwill [Line Items]
Total goodwill	$ 66,357	$ 66,357
Denny’s
Goodwill [Line Items]
Total goodwill	37,507	37,507
Other
Goodwill [Line Items]
Total goodwill	$ 28,850	$ 28,850

X

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v3.25.1

Goodwill and Intangible Assets - Schedule of Finite-Lived and Indefinite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 26, 2025	Dec. 25, 2024
Intangible assets with indefinite lives:
Trade names	$ 79,687	$ 79,687
Liquor licenses	120	120
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	7,764	7,806
Intangible assets, net	97,158	99,545
Reacquired franchise rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	9,135	9,135
Accumulated Amortization	6,385	6,188
Franchise agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,216	10,603
Accumulated Amortization	$ 1,379	$ 1,618

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v3.25.1

Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense for intangible assets	$ 0.3	$ 0.4

X

- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 + Details Name: us-gaap_AmortizationOfIntangibleAssets Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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v3.25.1

Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 26, 2025	Dec. 25, 2024
Other Liabilities, Current [Abstract]
Accrued payroll	$ 11,247	$ 15,434
Current portion of liability for insurance claims	4,478	4,494
Accrued taxes	4,398	4,432
Accrued advertising	9,493	11,785
Gift cards	6,860	8,382
Accrued legal settlements	4,471	4,114
Accrued interest	4,173	4,368
Other	7,025	5,833
Other current liabilities	$ 52,145	$ 58,842

X

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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for advertising of the entity's goods and services. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details Name: us-gaap_AccruedAdvertisingCurrent Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: instant

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- Definition Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details Name: us-gaap_InterestPayableCurrent Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: instant

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- Definition Carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid within one year of the date of the statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(25)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details Name: us-gaap_LitigationReserveCurrent Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: instant

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- Definition Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10 + Details Name: us-gaap_OtherLiabilitiesCurrent Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: instant

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v3.25.1

Fair Value of Financial Instruments - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Recurring - USD ($) $ in Thousands	Mar. 26, 2025	Dec. 25, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan investments	$ 9,849	$ 10,400
Interest rate swaps	16,146	20,841
Investments	1,129	1,106
Total	27,124	32,347
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan investments	9,849	10,400
Interest rate swaps	0	0
Investments	0	0
Total	9,849	10,400
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan investments	0	0
Interest rate swaps	16,146	20,841
Investments	1,129	1,106
Total	17,275	21,947
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan investments	0	0
Interest rate swaps	0	0
Investments	0	0
Total	$ 0	$ 0

X

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v3.25.1

Fair Value of Financial Instruments - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Non - Recurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets held and used, impairment charges	$ 3,216	$ 95
Franchise agreements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of franchise agreements	2,000
Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets held and used, impairment charges	1,206
Fair Value, Nonrecurring | Franchise agreements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of franchise agreements	2,010
Significant Unobservable Inputs (Level 3) | Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets held and used, including goodwill and other intangible assets	1,546
Significant Unobservable Inputs (Level 3) | Fair Value, Nonrecurring | Franchise agreements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Franchise agreements	$ 0

X

- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482130/360-10-45-4 + Details Name: us-gaap_AssetImpairmentCharges Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Definition Fair value portion of asset recognized for present right to economic benefit. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details Name: us-gaap_AssetsFairValueDisclosure Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: instant

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v3.25.1

Fair Value of Financial Instruments - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Fair Value Disclosures [Abstract]
Impairment charges	$ 3,216	$ 95

X

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v3.25.1

Long-Term Debt - Narrative (Details)	3 Months Ended
	Mar. 26, 2025 USD ($)	Mar. 27, 2024 USD ($)	Dec. 25, 2024 USD ($)	Dec. 27, 2023 USD ($)
Line of Credit Facility [Line Items]
Total shareholders' deficit	$ (36,420,000)	$ (55,744,000)	$ (34,025,000)	$ (62,686,000)
Derivatives
Line of Credit Facility [Line Items]
Reclassification	(1,075,000)
Total shareholders' deficit	(35,147,000)		$ (31,830,000)
Amortization of unrealized losses related to interest rate swaps to interest expense, net
Line of Credit Facility [Line Items]
Reclassification	259,000
Effective Interest Rate Swaps
Line of Credit Facility [Line Items]
Derivative asset	16,100,000
Reclassification	1,100,000
Expected reclassification within next twelve months	3,500,000
Dedesignated Interest Rate Swaps | Derivatives
Line of Credit Facility [Line Items]
Total shareholders' deficit	63,100,000
Dedesignated Interest Rate Swaps | Amortization of unrealized losses related to interest rate swaps to interest expense, net
Line of Credit Facility [Line Items]
Reclassification	300,000	$ 100,000
Expected reclassification within next twelve months	$ 3,800,000
Senior Secured Revolver
Line of Credit Facility [Line Items]
Line of credit facility, term (in years)	5 years
Line of credit facility, current borrowing capacity	$ 400,000,000
Line of credit facility, accordion feature, increase limit	$ 450,000,000
Line of credit facility, covenant, minimum, fixed charge leverage ratio	4.0
Fixed charge coverage ratio	1.5
Consolidated leverage ratio	3.9
Consolidated fixed charge coverage ratio	2.1
Outstanding amount under credit facility	$ 266,000,000.0
Availability under the credit facility	$ 117,900,000
Basis spread on variable rate debt (as a percent)	2.25%
Commitment fee, percent	0.35%
Weighted-average interest rate	6.65%		6.98%
Senior Secured Revolver | Interest Rate Swap
Line of Credit Facility [Line Items]
Weighted-average interest rate	5.02%		5.01%
Letter of Credit
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity	$ 25,000,000
Outstanding amount of letters of credit	$ 16,100,000
Interest rate	2.38%

X

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v3.25.1

Long-Term Debt - Schedule of Interest Rate Swaps (Details) - USD ($)	Mar. 26, 2025	Feb. 15, 2018
Derivative [Line Items]
Notional Amount	$ 236,000,000
Fair Value	16,146,000
Interest Rate Swap 2018-2025
Derivative [Line Items]
Notional Amount	120,000,000
Fair Value	$ 26,000
Fixed Rate	2.34%
Interest Rate Swap 2018-2026
Derivative [Line Items]
Notional Amount	$ 50,000,000
Fair Value	$ 816,000
Fixed Rate	2.37%
Interest Rate Swap 2020-2033
Derivative [Line Items]
Notional Amount	$ 66,000,000	$ 120,000,000
Fair Value	$ 15,304,000
Fixed Rate	3.09%
Interest Rate Swap 2020-2033 | Maximum
Derivative [Line Items]
Notional Amount	$ 335,000,000

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v3.25.1

Revenues - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Disaggregation of Revenue [Line Items]
Total operating revenue	$ 111,637	$ 109,974
Company restaurant sales
Disaggregation of Revenue [Line Items]
Total operating revenue	53,900	52,342
Royalties
Disaggregation of Revenue [Line Items]
Total operating revenue	27,837	29,306
Advertising revenue
Disaggregation of Revenue [Line Items]
Total operating revenue	19,073	18,138
Initial and other fees
Disaggregation of Revenue [Line Items]
Total operating revenue	2,874	1,816
Occupancy revenue
Disaggregation of Revenue [Line Items]
Total operating revenue	7,953	8,372
Franchise and license revenue
Disaggregation of Revenue [Line Items]
Total operating revenue	$ 57,737	$ 57,632

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482964/270-10-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (ee) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 4: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 5: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479941/924-10-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-42 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-40 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-4 + Details Name: us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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v3.25.1

Revenues - Schedule of Components of Lease Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Revenue from Contract with Customer [Abstract]
Operating lease revenue	$ 5,986	$ 6,128
Variable lease revenue	1,967	2,244
Total occupancy revenue	$ 7,953	$ 8,372

X

- Definition Amount of lease income from operating, direct financing, and sales-type leases. Includes, but is not limited to, variable lease payments, interest income, profit (loss) recognized at commencement, and lease payments paid and payable to lessor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479773/842-30-50-5 + Details Name: us-gaap_LeaseIncome Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

X

- Definition Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479773/842-30-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482964/270-10-50-6A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479016/842-30-45-3 + Details Name: us-gaap_OperatingLeaseLeaseIncome Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

X

- References No definition available. + Details Name: us-gaap_RevenueFromContractWithCustomerAbstract Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Definition Amount of variable lease payments from operating, direct financing, and sales-type leases, excluding amount included in measurement of lease receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479773/842-30-50-5 + Details Name: us-gaap_VariableLeaseIncome Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

v3.25.1

Revenues - Schedule of Components of the Change in Deferred Franchise Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 26, 2025	Dec. 25, 2024
Movement In Deferred Revenue Roll Forward
Balance, December 25, 2024	$ 16,968
Fees received from franchisees	337
Revenue recognized	(866)
Balance, March 26, 2025	16,439	$ 16,968
Less current portion included in other current liabilities	2,001
Deferred franchise revenue included in other noncurrent liabilities	$ 14,438
Deferred revenue recognized		$ 800

X

- Definition Increase (Decrease), Contract With Customer, Liability + References No definition available. + Details Name: denn_IncreaseDecreaseContractWithCustomerLiabilityRollForward Namespace Prefix: denn_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

X

- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-2 + Details Name: us-gaap_ContractWithCustomerLiability Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: instant

X

- Definition Amount of revenue recognized arising from contract liability from change in timeframe for performance obligation to be satisfied. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details Name: us-gaap_ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-2 + Details Name: us-gaap_ContractWithCustomerLiabilityCurrent Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: instant

X

- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-2 + Details Name: us-gaap_ContractWithCustomerLiabilityNoncurrent Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: instant

X

- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 + Details Name: us-gaap_ContractWithCustomerLiabilityRevenueRecognized Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

X

- Definition Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 912 -SubTopic 310 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478345/912-310-45-11 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details Name: us-gaap_IncreaseDecreaseInContractWithCustomerLiability Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

v3.25.1

Revenues - Schedule of Change In Contract Assets (Details) $ in Thousands	3 Months Ended
	Mar. 26, 2025 USD ($)
Contract with Customer, Asset, Allowance for Credit Loss [Roll Forward]
Balance, December 25, 2024	$ 6,706
Franchisee deferred costs	3,285
Contract asset amortization	(322)
Balance, March 26, 2025	9,669
Less current portion included in other current assets	1,316
Contract assets included in other noncurrent assets	$ 8,353

X

- Definition Contract with Customer, Assets, Amount Contributed + References No definition available. + Details Name: denn_ContractWithCustomerAssetsAmountContributed Namespace Prefix: denn_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

X

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X

- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details Name: us-gaap_ContractWithCustomerAssetAllowanceForCreditLossRollForward Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

X

- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 + Details Name: us-gaap_ContractWithCustomerAssetNet Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: instant

X

- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 + Details Name: us-gaap_ContractWithCustomerAssetNetCurrent Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: instant

X

- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 + Details Name: us-gaap_ContractWithCustomerAssetNetNoncurrent Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: instant

v3.25.1

Revenues - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 26, 2025	Mar. 27, 2024	Dec. 25, 2024
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue recognized	$ 111,637	$ 109,974
Contract with customer	17,197		$ 24,433
Liability balance	2,001
Deferred revenue recognized			800
Gift Card Redemption
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Liability balance	6,900		8,400
Deferred revenue recognized	200
Franchise Equipment Programs
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue recognized	500	$ 300
Inventory related to franchise equipment programs	200		200
Contract with customer	$ 600		$ 400

X

- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-2 + Details Name: us-gaap_ContractWithCustomerLiabilityCurrent Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: instant

X

- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 + Details Name: us-gaap_ContractWithCustomerLiabilityRevenueRecognized Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

X

- Definition Amount, after of valuation reserves and allowances, of inventory, classified as other, expected to be sold, or consumed within one year or operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 330 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.BB) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480581/330-10-S99-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details Name: us-gaap_OtherInventoryNetOfReserves Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: instant

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- Definition The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10 + Details Name: us-gaap_ReceivablesNetCurrent Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: instant

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482964/270-10-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (ee) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 4: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 5: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479941/924-10-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-42 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-40 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-4 + Details Name: us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details Name: us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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v3.25.1

Revenues - Schedule of Deferred Revenue (Details) $ in Thousands	Mar. 26, 2025 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred franchise revenue expected to be recognized	$ 6,770
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-03-26
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred franchise revenue expected to be recognized	$ 465
Revenue, remaining performance obligation, expected timing of satisfaction, period	9 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred franchise revenue expected to be recognized	$ 875
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-12-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred franchise revenue expected to be recognized	$ 851
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-12-30
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred franchise revenue expected to be recognized	$ 731
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-12-28
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred franchise revenue expected to be recognized	$ 631
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2029-12-27
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred franchise revenue expected to be recognized	$ 3,217
Revenue, remaining performance obligation, expected timing of satisfaction, period

X

- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (a) -SubTopic 10 -Topic 606 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 + Details Name: us-gaap_RevenueRemainingPerformanceObligation Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details Name: us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Definition Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(1) -SubTopic 10 -Topic 606 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 + Details Name: us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1 Namespace Prefix: us-gaap_ Data Type: xbrli:durationItemType Balance Type: na Period Type: instant

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v3.25.1

Operating (Gains), Losses and Other Charges, Net - Schedule of Operating Gains Losses and Other Charges, Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Other Income and Expenses [Abstract]
Gains on sales of assets and other, net	$ (1,742)	$ (620)
Impairment charges	3,216	95
Restructuring charges and exit costs	2,437	198
Operating (gains), losses and other charges, net	$ 3,911	$ (327)

X

- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482130/360-10-45-4 + Details Name: us-gaap_AssetImpairmentCharges Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details Name: us-gaap_GainLossOnSaleOfPropertyPlantEquipment Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Definition The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations. + References No definition available. + Details Name: us-gaap_OtherOperatingIncomeExpenseNet Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.b.1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482047/420-10-45-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1 + Details Name: us-gaap_RestructuringCharges Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

v3.25.1

Operating (Gains), Losses and Other Charges, Net - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 26, 2025 USD ($) position parcel	Mar. 27, 2024 USD ($)	Dec. 25, 2024 USD ($) parcel
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale	$ 210		$ 381
Impairment charges	3,216	$ 95
Property impairment	400
Operating lease right-of-use asset impairment	$ 800
Employee Severance | Relocation Of Support Functions
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of positions eliminated | position	40
Severance and other restructuring charges	$ 1,600		300
Franchise agreements
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment of franchisee rights	2,000
Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale	$ 200		$ 400
Number of real estate properties | parcel	1		2

X

- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482130/360-10-45-4 + Details Name: us-gaap_AssetImpairmentCharges Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Definition Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 10 -SubTopic 20 -Topic 205 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483475/205-20-45-10 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483499/205-20-50-7 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5C -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483499/205-20-50-5C Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482130/360-10-45-9 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483499/205-20-50-5B Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-3 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483475/205-20-45-11 + Details Name: us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: instant

X

- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-3 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details Name: us-gaap_ImpairmentOfIntangibleAssetsFinitelived Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details Name: us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details Name: us-gaap_NumberOfRealEstateProperties Namespace Prefix: us-gaap_ Data Type: xbrli:integerItemType Balance Type: na Period Type: instant

X

- Definition Amount of loss from impairment of right-of-use asset from operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 25 -Paragraph 6 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479365/842-20-25-6 + Details Name: us-gaap_OperatingLeaseImpairmentLoss Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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v3.25.1

Operating (Gains), Losses and Other Charges, Net - Schedule of Restructuring Charges and Exit Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Restructuring charges and exit costs [Abstract]
Exit costs	$ 40	$ 42
Severance and other restructuring charges	2,397	156
Total restructuring charges and exit costs	$ 2,437	$ 198

X

- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details Name: us-gaap_BusinessExitCosts1 Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.b.1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482047/420-10-45-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1 + Details Name: us-gaap_RestructuringCharges Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

X

- References No definition available. + Details Name: us-gaap_RestructuringChargesAbstract Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details Name: us-gaap_SeveranceCosts1 Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

v3.25.1

Share-Based Compensation - Schedule of Total Share-based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation	$ 2,785	$ 2,776
Employee share awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation	2,552	2,571
Restricted stock units for board members
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation	$ 233	$ 205

X

- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details Name: us-gaap_AllocatedShareBasedCompensationExpense Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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X

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v3.25.1

Share-Based Compensation - Narrative (Details) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 26, 2025 USD ($) $ / shares shares
Certain Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $	$ 24.1
Unrecognized contractual term (in years)	2 years 2 months 12 days
PSUs, TSR | Certain Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in periods (in shares)	0.9
Fair value of units granted (in dollars per share) | $ / shares	$ 6.73
Performance Shares | Certain Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period of performance	3 years
Performance Shares | Certain Employee | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of target achievement	0.00%
Performance Shares | Certain Employee | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of target achievement	150.00%
Restricted Stock Units | Certain Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in periods (in shares)	1.3
Fair value of units granted (in dollars per share) | $ / shares	$ 6.26
Period of performance	3 years
Restricted Stock Units | Board Members
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $	$ 0.1
Unrecognized contractual term (in years)	1 month 6 days
PSUs and RSUs | Certain Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares issued (in shares)	0.3
Shares paid for tax withholding (in shares)	0.2

X

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X

- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details Name: us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1 Namespace Prefix: us-gaap_ Data Type: xbrli:durationItemType Balance Type: na Period Type: duration

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- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details Name: us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: instant

X

- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details Name: us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 Namespace Prefix: us-gaap_ Data Type: xbrli:durationItemType Balance Type: na Period Type: duration

X

- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details Name: us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod Namespace Prefix: us-gaap_ Data Type: xbrli:sharesItemType Balance Type: na Period Type: duration

X

- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details Name: us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue Namespace Prefix: us-gaap_ Data Type: dtr-types:perShareItemType Balance Type: na Period Type: duration

X

- Definition Line items represent financial concepts included in a table. 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- Definition Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement. + References No definition available. + Details Name: us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation Namespace Prefix: us-gaap_ Data Type: xbrli:sharesItemType Balance Type: na Period Type: duration

X

- Details Name: srt_TitleOfIndividualAxis=denn_CertainEmployeesMember Namespace Prefix: Data Type: na Balance Type: Period Type:

X

- Details Name: us-gaap_AwardTypeAxis=denn_PerformanceSharesTotalShareholderReturnMember Namespace Prefix: Data Type: na Balance Type: Period Type:

X

- Details Name: us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember Namespace Prefix: Data Type: na Balance Type: Period Type:

X

- Details Name: srt_RangeAxis=srt_MinimumMember Namespace Prefix: Data Type: na Balance Type: Period Type:

X

- Details Name: srt_RangeAxis=srt_MaximumMember Namespace Prefix: Data Type: na Balance Type: Period Type:

X

- Details Name: us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember Namespace Prefix: Data Type: na Balance Type: Period Type:

X

- Details Name: srt_TitleOfIndividualAxis=denn_NonEmployeeMembersOfTheBoardMember Namespace Prefix: Data Type: na Balance Type: Period Type:

X

- Details Name: us-gaap_AwardTypeAxis=denn_PerformanceSharesAndRestrictedStockUnitsMember Namespace Prefix: Data Type: na Balance Type: Period Type:

v3.25.1

Income Taxes (Details)	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Income Tax Disclosure [Abstract]
Effective tax rate expense (benefit), percent	47.40%	24.60%
Share-based compensation, percent	26.80%	0.00%

X

- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 231 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231 + Details Name: us-gaap_EffectiveIncomeTaxRateContinuingOperations Namespace Prefix: us-gaap_ Data Type: dtr-types:percentItemType Balance Type: na Period Type: duration

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- References No definition available. + Details Name: us-gaap_IncomeTaxDisclosureAbstract Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

v3.25.1

Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Earnings Per Share [Abstract]
Net income	$ 326	$ 4,691
Weighted average shares outstanding - basic (in shares)	52,324	53,068
Effect of dilutive share-based compensation awards (in shares)	119	146
Weighted average shares outstanding - diluted (in shares)	52,443	53,214
Net income per share - basic (in dollars per share)	$ 0.01	$ 0.09
Net income per share - diluted (in dollars per share)	$ 0.01	$ 0.09
Anti-dilutive share-based compensation awards (in shares)	1,317	970

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v3.25.1

Shareholders' Deficit - Narrative (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 26, 2025	Dec. 25, 2024	Mar. 27, 2024	Dec. 25, 2019
Equity, Class of Treasury Stock [Line Items]
Purchase of treasury stock (in shares)	200
Purchase of treasury stock	$ 981		$ 4,763
Retirement of shares (in shares)		2,000
Weighted average share price (in dollars per share)		$ 8.78
Treasury stock, at cost (in shares)	218	0
Share Repurchase Program 2019
Equity, Class of Treasury Stock [Line Items]
Share repurchase, authorized amount				$ 250,000
Purchase of treasury stock	$ 161,800
Remaining shares to be repurchased	$ 88,200

X

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v3.25.1

Shareholders' Deficit - Schedule of Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance as of beginning of period	$ (34,025)	$ (62,686)
Income tax expense related to items of other comprehensive income (loss)	1,115
Balance as of end of period	(36,420)	(55,744)
Defined Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance as of beginning of period	(209)
Settlement loss recognized	1
Income tax expense related to items of other comprehensive income (loss)	(3)
Balance as of end of period	(201)
Amortization of net loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification	10
Derivatives
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance as of beginning of period	(31,830)
Reclassification	(1,075)
Changes in the fair value of cash flow hedges	(3,619)
Income tax expense related to items of other comprehensive income (loss)	1,118
Balance as of end of period	(35,147)
Amortization of unrealized losses related to interest rate swaps to interest expense, net
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification	259
Accumulated Other Comprehensive Loss, Net
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance as of beginning of period	(32,039)	(41,659)
Balance as of end of period	$ (35,348)	$ (35,495)

X

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v3.25.1

Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Supplemental Cash Flow Information [Abstract]
Income taxes paid, net	$ 314	$ 355
Interest paid	4,250	4,006
Noncash investing and financing activities:
Accrued purchase of property	1,004	100
Issuance of common stock, pursuant to share-based compensation plans	2,001	3,793
Execution of finance leases	72	42
Treasury stock payable	29	88
Treasury stock excise tax payable	$ 73	$ 464

X

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v3.25.1

Segment Information (Details) $ in Thousands	3 Months Ended
	Mar. 26, 2025 USD ($) segment	Mar. 27, 2024 USD ($)	Dec. 25, 2024 USD ($)
Segment Reporting [Abstract]
Number of operating segments | segment	2
Revenues
Total operating revenue	$ 111,637	$ 109,974
Cost and expenses
Product costs	14,211	13,311
Payroll and benefits	21,096	20,474
Occupancy costs	5,059	4,573
Utilities	1,694	1,655
Repairs and maintenance	836	1,005
Marketing	2,028	1,604
Legal settlements	405	1,449
Pre-opening costs	709	366
Other direct costs	3,987	3,681
Total costs of company restaurant sales, excluding depreciation and amortization	50,025	48,118
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	28,354	27,374
Total restaurant-level operating margin	33,258	34,482
Reconciliation of restaurant-level operating margin to net income
General and administrative expenses	20,030	21,222
Depreciation and amortization	4,107	3,581
Operating (gains), losses and other charges, net	3,911	(327)
Operating (gains), losses and other charges, net	28,048	24,476
Operating income	5,210	10,006
Interest expense, net	4,428	4,420
Other nonoperating expense (income), net	162	(637)
Income before income taxes	620	6,223
Provision for income taxes	294	1,532
Net income	326	4,691
Total assets	488,075		$ 496,274
Company restaurant sales
Revenues
Total operating revenue	53,900	52,342
Royalties
Revenues
Total operating revenue	27,837	29,306
Advertising revenue
Revenues
Total operating revenue	19,073	18,138
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	19,073	18,138
Initial and other fees
Revenues
Total operating revenue	2,874	1,816
Occupancy revenue
Revenues
Total operating revenue	7,953	8,372
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	4,933	5,132
Franchise and license revenue
Revenues
Total operating revenue	57,737	57,632
Other direct costs
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	4,348	4,104
Denny’s
Revenues
Total operating revenue	101,567	104,012
Cost and expenses
Product costs	11,719	12,204
Payroll and benefits	17,693	18,657
Occupancy costs	3,997	4,013
Utilities	1,459	1,547
Repairs and maintenance	764	977
Marketing	1,813	1,481
Legal settlements	425	1,449
Pre-opening costs	0	0
Other direct costs	3,310	3,230
Total costs of company restaurant sales, excluding depreciation and amortization	41,180	43,558
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	27,460	26,793
Total restaurant-level operating margin	32,927	33,661
Reconciliation of restaurant-level operating margin to net income
Total assets	329,988		344,986
Denny’s | Company restaurant sales
Revenues
Total operating revenue	45,706	48,168
Denny’s | Royalties
Revenues
Total operating revenue	26,592	28,049
Denny’s | Advertising revenue
Revenues
Total operating revenue	18,620	17,680
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	18,620	17,680
Denny’s | Initial and other fees
Revenues
Total operating revenue	2,729	1,743
Denny’s | Occupancy revenue
Revenues
Total operating revenue	7,920	8,372
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	4,900	5,132
Denny’s | Franchise and license revenue
Revenues
Total operating revenue	55,861	55,844
Denny’s | Other direct costs
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	3,940	3,981
Other
Revenues
Total operating revenue	10,070	5,962
Cost and expenses
Product costs	2,492	1,107
Payroll and benefits	3,403	1,817
Occupancy costs	1,062	560
Utilities	235	108
Repairs and maintenance	72	28
Marketing	215	123
Legal settlements	(20)	0
Pre-opening costs	709	366
Other direct costs	677	451
Total costs of company restaurant sales, excluding depreciation and amortization	8,845	4,560
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	894	581
Total restaurant-level operating margin	331	821
Reconciliation of restaurant-level operating margin to net income
Total assets	158,087		$ 151,288
Other | Company restaurant sales
Revenues
Total operating revenue	8,194	4,174
Other | Royalties
Revenues
Total operating revenue	1,245	1,257
Other | Advertising revenue
Revenues
Total operating revenue	453	458
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	453	458
Other | Initial and other fees
Revenues
Total operating revenue	145	73
Other | Occupancy revenue
Revenues
Total operating revenue	33	0
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	33	0
Other | Franchise and license revenue
Revenues
Total operating revenue	1,876	1,788
Other | Other direct costs
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	$ 408	$ 123

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