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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 June 25, 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 July 30, 2025, 51,498,994 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			8
Notes to Consolidated Financial Statements			9
Item 2.   Management's Discussion and Analysis of Financial Condition and Results of Operations			23
Item 3.   Quantitative and Qualitative Disclosures About Market Risk			32
Item 4.   Controls and Procedures			33
PART II - OTHER INFORMATION
Item 1.   Legal Proceedings			33
Item 1A.   Risk Factors			33
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds			34
Item 5. Other Information			34
Item 6.   Exhibits			35
Signatures			36

2

---

PART I - FINANCIAL INFORMATION

Item 1.     Financial Statements

 

Denny’s Corporation and Subsidiaries

Consolidated Balance Sheets

(Unaudited)

			June 25, 2025						December 25, 2024
			(In thousands, except per share amounts)
Assets
Current assets:
Cash and cash equivalents			$	1,166					$	1,698
Investments			—						1,106
Receivables, net			19,074						24,433
Inventories			2,129						1,747
Assets held for sale			1,096						381
Prepaid and other current assets			8,866						10,628
Total current assets			32,331						39,993
Property, net of accumulated depreciation of $162,101 and $159,588, respectively			118,601						111,417
Finance lease right-of-use assets, net of accumulated amortization of $6,813 and $6,783, respectively			5,695						6,200
Operating lease right-of-use assets, net			126,457						124,738
Goodwill			68,526						66,357
Intangible assets, net			89,630						91,739
Deferred financing costs, net			748						1,066
Other noncurrent assets			49,162						54,764
Total assets			$	491,150					$	496,274
Liabilities
Current liabilities:
Current finance lease liabilities			$	1,306					$	1,284
Current operating lease liabilities			16,676						15,487
Accounts payable			16,299						19,985
Other current liabilities			53,701						58,842
Total current liabilities			87,982						95,598
Long-term liabilities:
Long-term debt			268,600						261,300
Noncurrent finance lease liabilities			8,729						9,284
Noncurrent operating lease liabilities			122,108						120,841
Liability for insurance claims, less current portion			5,750						5,866
Deferred income taxes, net			6,276						9,964
Other noncurrent liabilities			26,284						27,446
Total long-term liabilities			437,747						434,701
Total liabilities			525,729						530,299
Shareholders' deficit
Common stock $0.01 par value; 135,000 shares authorized; June 25, 2025: 51,893 shares issued and 51,495 outstanding; December 25, 2024: 51,329 shares issued and outstanding			$	519					$	513
Paid-in capital			4,175						—
Retained earnings (deficit)			297						(2,499)
Accumulated other comprehensive loss, net			(37,975)						(32,039)
Treasury stock, at cost, 398 and 0 shares, respectively			(1,595)						—
Total shareholders' deficit			(34,579)						(34,025)
Total liabilities and shareholders' deficit			$	491,150					$	496,274

See accompanying notes

3

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Denny’s Corporation and Subsidiaries

Consolidated Statements of Income

(Unaudited)

			Quarter Ended												Two Quarters Ended
			June 25, 2025						June 26, 2024						June 25, 2025						June 26, 2024
			(In thousands, except per share amounts)
Revenue:
Company restaurant sales			$	58,395					$	54,348					$	112,295					$	106,690
Franchise and license revenue			59,262						61,579						116,999						119,211
Total operating revenue			117,657						115,927						229,294						225,901
Costs of company restaurant sales, excluding depreciation and amortization:
Product costs			15,086						13,632						29,297						26,943
Payroll and benefits			21,869						20,493						42,965						40,967
Occupancy			5,181						4,671						10,240						9,244
Other operating expenses			10,209						8,782						19,868						18,542
Total costs of company restaurant sales, excluding depreciation and amortization			52,345						47,578						102,370						95,696
Costs of franchise and license revenue, excluding depreciation and amortization			29,217						33,428						57,571						60,802
General and administrative expenses			21,445						20,486						41,475						41,708
Depreciation and amortization			4,378						3,735						8,485						7,316
Goodwill impairment charges			—						20						—						20
Operating (gains), losses and other charges, net			1,700						1,565						5,611						1,238
Total operating costs and expenses, net			109,085						106,812						215,512						206,780
Operating income			8,572						9,115						13,782						19,121
Interest expense, net			5,374						4,573						9,802						8,993
Other nonoperating income, net			(563)						(224)						(401)						(861)
Income before income taxes			3,761						4,766						4,381						10,989
Provision for income taxes			1,291						1,198						1,585						2,730
Net income			$	2,470					$	3,568					$	2,796					$	8,259
Net income per share - basic			$	0.05					$	0.07					$	0.05					$	0.16
Net income per share - diluted			$	0.05					$	0.07					$	0.05					$	0.16
Basic weighted average shares outstanding			52,059						52,689						52,191						52,879
Diluted weighted average shares outstanding			52,131						52,787						52,294						53,002

 

See accompanying notes

4

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Denny’s Corporation and Subsidiaries

Consolidated Statements of Comprehensive Income (Loss)

(Unaudited)

			Quarter Ended												Two Quarters Ended
			June 25, 2025						June 26, 2024						June 25, 2025						June 26, 2024
			(In thousands)
Net income			$	2,470					$	3,568					$	2,796					$	8,259
Other comprehensive income (loss), net of tax:
Minimum pension liability adjustment, net of tax of $2, $13, $5 and $19, respectively			9						41						17						51
Changes in the fair value of cash flow hedges, net of tax of $(898), $680, $(1,810) and $3,103, respectively			(2,665)						2,017						(5,372)						9,192
Reclassification of cash flow hedges to interest expense, net of tax of $(212), $(387), $(483) and $(768), respectively			(628)						(1,149)						(1,432)						(2,276)
Amortization of unrealized losses related to interest rate swaps to interest expense, net of tax of $222, $42, $287 and $78, respectively			657						125						851						231
Other comprehensive income (loss)			(2,627)						1,034						(5,936)						7,198
Total comprehensive income (loss)			$	(157)					$	4,602					$	(3,140)					$	15,457

See accompanying notes

5

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Denny’s Corporation and Subsidiaries

Consolidated Statements of Shareholders’ Deficit

For the Quarters Ended June 25, 2025 and June 26, 2024

(Unaudited)

			Common Stock												Treasury Stock												Paid-in Capital						Retained Earnings (Deficit)						Accumulated Other Comprehensive Loss, Net						Total Shareholders’ Deficit
			Shares						Amount						Shares						Amount
			(In thousands)
Balance, March 26, 2025			51,649						$	516					(218)						$	(981)					$	1,566					$	(2,173)					$	(35,348)					$	(36,420)
Net income			—						—						—						—						—						2,470						—						2,470
Other comprehensive loss			—						—						—						—						—						—						(2,627)						(2,627)
Share-based compensation on equity classified awards, net of withholding tax			—						—						—						—						2,612						—						—						2,612
Purchase of treasury stock, including excise tax			—						—						(180)						(614)						—						—						—						(614)
Issuance of common stock for share-based compensation			244						3						—						—						(3)						—						—						—
Balance, June 25, 2025			51,893						$	519					(398)						$	(1,595)					$	4,175					$	297					$	(37,975)					$	(34,579)

			Common Stock												Treasury Stock												Paid-in Capital						Deficit						Accumulated Other Comprehensive Loss, Net						Total Shareholders’ Deficit
			Shares						Amount						Shares						Amount
			(In thousands)
Balance, March 27, 2024			53,262						$	533					(1,143)						$	(11,223)					$	7,534					$	(17,093)					$	(35,495)					$	(55,744)
Net income			—						—						—						—						—						3,568						—						3,568
Other comprehensive income			—						—						—						—						—						—						1,034						1,034
Share-based compensation on equity classified awards, net of withholding tax			—						—						—						—						2,601						—						—						2,601
Purchase of treasury stock, including excise tax			—						—						(627)						(4,702)						—						—						—						(4,702)
Issuance of common stock for share-based compensation			77						—						—						—						—						—						—						—
Balance, June 26, 2024			53,339						$	533					(1,770)						$	(15,925)					$	10,135					$	(13,525)					$	(34,461)					$	(53,243)

See accompanying notes

6

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Denny’s Corporation and Subsidiaries

Consolidated Statements of Shareholders’ Deficit

For the Two Quarters Ended June 25, 2025 and June 26, 2024

(Unaudited)

			Common Stock												Treasury Stock												Paid-in Capital						Retained Earnings (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			—						—						—						—						—						2,796						—						2,796
Other comprehensive loss			—						—						—						—						—						—						(5,936)						(5,936)
Share-based compensation on equity classified awards, net of withholding tax			—						—						—						—						4,181						—						—						4,181
Purchase of treasury stock, including excise tax			—						—						(398)						(1,595)						—						—						—						(1,595)
Issuance of common stock for share-based compensation			564						6						—						—						(6)						—						—						—
Balance, June 25, 2025			51,893						$	519					(398)						$	(1,595)					$	4,175					$	297					$	(37,975)					$	(34,579)

			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			—						—						—						—						—						8,259						—						8,259
Other comprehensive income			—						—						—						—						—						—						7,198						7,198
Share-based compensation on equity classified awards, net of withholding tax			—						—						—						—						3,451						—						—						3,451
Purchase of treasury stock, including excise tax			—						—						(1,103)						(9,465)						—						—						—						(9,465)
Issuance of common stock for share-based compensation			433						4						—						—						(4)						—						—						—
Balance, June 26, 2024			53,339						$	533					(1,770)						$	(15,925)					$	10,135					$	(13,525)					$	(34,461)					$	(53,243)

See accompanying notes

7

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Denny’s Corporation and Subsidiaries

Consolidated Statements of Cash Flows

(Unaudited)

			Two Quarters Ended
			June 25, 2025						June 26, 2024
			(In thousands)
Cash flows from operating activities:
Net income			$	2,796					$	8,259
Adjustments to reconcile net income to cash flows provided by operating activities:
Depreciation and amortization			8,485						7,316
Goodwill impairment charges			—						20
Operating (gains), losses and other charges, net			5,611						1,238
Amortization on interest rate swaps, net			1,138						308
Amortization of deferred financing costs			318						318
Gains on investments			(36)						(14)
(Gains) losses on early termination of debt and leases			(126)						132
Deferred income tax benefit			(1,874)						(2,144)
Increase of tax valuation allowance			193						179
Share-based compensation expense			5,767						5,400
Changes in assets and liabilities, excluding acquisitions and dispositions:
Receivables			5,256						1,509
Inventories			(293)						280
Prepaids and other current assets			1,762						3,639
Other noncurrent assets			(4,060)						622
Operating lease assets and liabilities			120						(806)
Accounts payable			122						(8,524)
Other accrued liabilities			(9,494)						(1,836)
Other noncurrent liabilities			(1,317)						(1,500)
Net cash flows provided by operating activities			14,368						14,396
Cash flows from investing activities:
Capital expenditures			(16,384)						(9,948)
Acquisition of restaurants			(4,082)						—
Proceeds from asset sales			1,910						1,000
Investment purchases			—						(1,500)
Proceeds from sale of investments			1,142						—
Collections on notes receivable			518						252
Issuance of notes receivable			(640)						(153)
Net cash flows used in investing activities			(17,536)						(10,349)
Cash flows from financing activities:
Revolver borrowings			62,100						70,000
Revolver payments			(54,800)						(68,000)
Repayments of finance leases			(613)						(726)
Tax withholding on share-based payments			(1,000)						(1,872)
Purchase of treasury stock			(1,668)						(9,380)
Net bank overdrafts			(1,383)						2,204
Net cash flows provided by (used in) financing activities			2,636						(7,774)
Decrease in cash and cash equivalents			(532)						(3,727)
Cash and cash equivalents at beginning of period			1,698						4,893
Cash and cash equivalents at end of period			$	1,166					$	1,166

See accompanying notes

8

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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 June 25, 2025, the Company consisted of 1,558 restaurants, 1,474 of which were franchised/licensed restaurants and 84 of which were company operated.

The Company consists of the Denny’s brand ("Denny's") and the Keke’s Breakfast Cafe brand (“Keke’s”). As of June 25, 2025, the Denny's brand consisted of 1,484 restaurants, 1,422 of which were franchised/licensed restaurants and 62 of which were company operated. As of June 25, 2025, the Keke's brand consisted of 74 restaurants, 52 of which were franchised restaurants and 22 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

 

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.

9

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Note 3.     Receivables

 

Receivables consisted of the following:

			June 25, 2025						December 25, 2024
			(In thousands)
Receivables, net:
Trade accounts receivable from franchisees			$	13,564					$	15,798
Notes and loan receivables from franchisees			417						490
Vendor receivables			1,703						3,632
Credit card receivables			822						1,815
Other			2,870						3,140
Allowance for credit losses			(302)						(442)
Total receivables, net			$	19,074					$	24,433

Note 4.    Goodwill and Intangible Assets

The following table reflects the changes in carrying amounts of goodwill and goodwill by segment:

									June 25, 2025
									(In thousands)
Balance, beginning of year									$	66,357
Additions related to the acquisition of five Keke’s franchise units									2,157
Additions related to the acquisition of a Denny’s franchise unit									404
Write-offs and reclassifications associated with the sale of Keke's units									(392)
Balance, end of period									$	68,526
Goodwill by segment consisted of the following:
			June 25, 2025						December 25, 2024
			(In thousands)
Denny’s			$	37,911					$	37,507
Other			30,615						28,850
Total goodwill			$	68,526					$	66,357

Intangible assets consisted of the following:

			June 25, 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			9,722						6,599						9,135						6,188
Franchise agreements			8,217						1,517						10,603						1,618
Intangible assets, net			$	97,746					$	8,116					$	99,545					$	7,806

Amortization expense for intangible assets with definite lives totaled $0.4 million and $0.7 million for the quarter and year-to-date periods ended June 25, 2025, respectively. Amortization expense for intangible assets with definite lives totaled $0.4 million and $0.8 million for the quarter and year-to-date periods ended June 26, 2024, respectively.

10

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Note 5.     Other Current Liabilities

 

Other current liabilities consisted of the following:

			June 25, 2025						December 25, 2024
			(In thousands)
Accrued payroll			$	14,516					$	15,434
Current portion of liability for insurance claims			4,433						4,494
Accrued taxes			4,808						4,432
Accrued advertising			6,686						11,785
Gift cards			6,786						8,382
Accrued legal settlements			3,859						4,114
Accrued interest			4,402						4,368
Other			8,211						5,833
Other current liabilities			$	53,701					$	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 June 25, 2025:
Deferred compensation plan investments (1)			$	10,227					$	10,227					$	—					$	—
Interest rate swaps (2)			11,745						—						11,745						—
Total			$	21,972					$	10,227					$	11,745					$	—
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.

11

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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 June 25, 2025:
Assets held and used(1)(2)												$	—					$	49
(1)			As of June 25, 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 and year-to-date periods ended June 25, 2025, we recognized impairment charges of less than $0.1 million and $3.3 million related to certain of these assets, respectively. 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 June 25, 2025, our consolidated leverage ratio was 3.98 times and our consolidated fixed charge coverage ratio was 2.05 times. We were in compliance with all financial covenants as of June 25, 2025, and we expect to remain in compliance throughout the remainder of 2025.

As of June 25, 2025, we had outstanding revolver loans of $268.6 million and outstanding letters of credit under the credit facility of $15.9 million. These balances resulted in unused commitments of $115.5 million as of June 25, 2025 under the credit facility.

As of June 25, 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 6.67% and 6.98% as of June 25, 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 5.36% and 5.01% as of June 25, 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 designated as cash flow hedges as of June 25, 2025 is as follows:

Trade Date						Effective Date						Maturity Date						Notional Amount						Fair Value						Fixed Rate
																		(In thousands)
October 1, 2015						March 29, 2018						March 31, 2026						$	50,000					$	614					2.37		%
February 15, 2018						March 31, 2020						December 31, 2033						$	189,000		(1)			$	11,131					3.09		%
Total																		$	239,000					$	11,745

(1)     The notional amounts of the swaps entered into on February 15, 2018 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 June 25, 2025, the fair value of the swaps designated as cash flow hedges was an asset of $11.7 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 year-to-date period ended June 25, 2025, we reclassified $1.9 million from accumulated other comprehensive loss, net as a reduction to interest expense, net. We expect to reclassify $3.6 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 June 25, 2025, we had a total of $62.3 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 and year-to-date periods ended June 25, 2025, we recorded unrealized losses of $0.9 million and $1.1 million to interest expense, net, respectively. For the quarter and year-to-date periods ended June 26, 2024, we recorded unrealized losses of $0.2 million and $0.3 million to interest expense, net, respectively. We expect to amortize $4.2 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												Two Quarters Ended
			June 25, 2025						June 26, 2024						June 25, 2025						June 26, 2024
			(In thousands)
Company restaurant sales			$	58,395					$	54,348					$	112,295					$	106,690
Franchise and license revenue:
Royalties			29,091						30,014						56,928						59,320
Advertising revenue			19,490						20,788						38,563						38,926
Initial and other fees			2,804						2,448						5,678						4,264
Occupancy revenue			7,877						8,329						15,830						16,701
Franchise and license revenue			59,262						61,579						116,999						119,211
Total operating revenue			$	117,657					$	115,927					$	229,294					$	225,901

Franchise occupancy revenue consisted of the following:

			Quarter Ended												Two Quarters Ended
			June 25, 2025						June 26, 2024						June 25, 2025						June 26, 2024
			(In thousands)
Operating lease revenue			$	5,848					$	6,071					$	11,834					$	12,199
Variable lease revenue			2,029						2,258						3,996						4,502
Total occupancy revenue			$	7,877					$	8,329					$	15,830					$	16,701

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			589
Revenue recognized (1)			(1,654)
Balance, June 25, 2025			15,903
Less current portion included in other current liabilities			1,985
Deferred franchise revenue included in other noncurrent liabilities			$	13,918

(1)    Of this amount $1.4 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			4,604
Contract asset amortization			(712)
Balance, June 25, 2025			10,598
Less current portion included in other current assets			1,264
Contract assets included in other noncurrent assets			$	9,334

The Company purchases equipment related to various programs for franchise restaurants. 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 $0.4 million and $1.0 million of revenue, recorded as a component of initial and other fees, related to the sale of equipment to franchisees during the quarter and year-to-date periods ended June 25, 2025, respectively. We recognized $0.2 million and $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 and year-to-date periods ended June 26, 2024, respectively. As of June 25, 2025, we had $0.5 million in inventory and $0.4 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 June 25, 2025, deferred franchise revenue, net of contract asset amortization, expected to be recognized in the future is as follows:

			(In thousands)
Remainder of 2025			$	301
2026			833
2027			808
2028			687
2029			589
Thereafter			2,087
Deferred franchise revenue, net			$	5,305

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 June 25, 2025 and December 25, 2024 was $6.8 million and $8.4 million, respectively. During the year-to-date period ended June 25, 2025, we recognized revenue of $0.4 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												Two Quarters Ended
			June 25, 2025						June 26, 2024						June 25, 2025						June 26, 2024
			(In thousands)
(Gains) losses on sales of assets and other, net			$	425					$	526					$	(1,317)					$	(94)
Impairment charges			49						619						3,265						714
Restructuring charges and exit costs			1,226						420						3,663						618
Operating (gains), losses and other charges, net			$	1,700					$	1,565					$	5,611					$	1,238

During the quarters and year-to-date periods ended June 25, 2025 and June 26, 2024, (gains) losses on sales of assets and other, net were primarily related to the sales of real estate and restaurants.

As of June 25, 2025, we had recorded assets held for sale at their carrying amount of $1.1 million (consisting of property of $0.7 million and goodwill of $0.4 million) related to one parcel of real estate and two restaurants. As of December 25, 2024, we

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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 less than $0.1 million and $3.3 million for the quarter and year-to-date periods ended June 25, 2025, respectively. The impairment charge for the quarter related to an operating lease right-of-use asset. The $3.3 million charge for the year-to-date period ended June 25, 2025 included $2.0 million related to franchise agreements for closed units. Additionally, $0.4 million of property and $0.9 million of operating lease right-of-use assets were impaired related to the relocation of certain support functions.

Restructuring charges and exit costs consisted of the following:

			Quarter Ended												Two Quarters Ended
			June 25, 2025						June 26, 2024						June 25, 2025						June 26, 2024
			(In thousands)
Exit costs			$	9					$	49					$	49					$	91
Severance and other restructuring charges			1,217						371						3,614						527
Total restructuring charges and exit costs			$	1,226					$	420					$	3,663					$	618

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 and year-to-date periods ended June 25, 2025 primarily consisted of severance costs resulting from the elimination of 26 positions during the quarter and 66 positions year-to-date, as part of a cost savings initiative. As of June 25, 2025 and December 25, 2024, we had accrued severance and other restructuring charges of $2.0 million and $0.3 million, respectively. The balance as of June 25, 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												Two Quarters Ended
			June 25, 2025						June 26, 2024						June 25, 2025						June 26, 2024
			(In thousands)
Employee share awards			$	2,772					$	2,409					$	5,324					$	4,980
Restricted stock units for board members			210						215						443						420
Total share-based compensation			$	2,982					$	2,624					$	5,767					$	5,400

Employee Share Awards

During the year-to-date period ended June 25, 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 year-to-date period ended June 25, 2025, we also granted certain employees 1.4 million restricted stock units ("RSUs") with a weighted average grant date fair value of $6.08 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 year-to-date period ended June 25, 2025, we issued 0.3 million shares of common stock related to vested PSUs and RSUs for employees. In addition, 0.2 million shares of common stock were withheld in lieu of taxes related to vested PSUs and RSUs.

 

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As of June 25, 2025, we had $19.2 million of unrecognized compensation cost related to unvested PSU awards and RSU awards outstanding, which have a weighted average remaining contractual term of 2.0 years.

Restricted Stock Units for Board Members

During the quarter and year-to-date periods ended June 25, 2025, we granted 0.2 million RSUs (which are equity classified) with a weighted average grant date fair value of $4.44 per unit to non-employee members of our Board of Directors. The RSUs vest after a one-year service period. A director may elect to convert these awards to shares of common stock either on a specific date in the future (while still serving as a member of our Board of Directors), upon termination as a member of our Board of Directors, or in three equal annual installments commencing after termination of service as a member of our Board of Directors.

During the quarter and year-to-date periods ended June 25, 2025, 0.2 million RSUs were converted into shares of common stock and fewer than 0.1 million RSUs were converted to cash.

As of June 25, 2025, we had $0.6 million of unrecognized compensation cost related to unvested RSU awards outstanding, which have a weighted average remaining contractual term of 0.9 years.

Note 11.     Income Taxes

The effective income tax rate was 34.3% for the quarter and 36.2% for the year-to-date period ended June 25, 2025, compared to 25.1% and 24.8% for the prior year periods, respectively. The effective income tax rate for the quarter and year-to-date periods ended June 25, 2025 included discrete items relating to share-based compensation of 9.0% and 11.5%, respectively. We did not have similar discrete items for the quarter and year-to-date periods ended June 26, 2024.

On July 4, 2025, H.R. 1, the budget bill known as the One Big Beautiful Bill Act ("OBBBA") was enacted. The OBBBA includes significant provisions, such as the permanent extension of certain expiring provisions of the Tax Cuts and Jobs Act, modifications to the international tax framework, and the restoration of favorable tax treatment for certain business provisions. The legislation has multiple effective dates, with certain provisions effective in 2025 and others implemented through 2027. We are currently assessing its impact on our consolidated financial statements.

Note 12.     Net Income Per Share

 

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

			Quarter Ended												Two Quarters Ended
			June 25, 2025						June 26, 2024						June 25, 2025						June 26, 2024
			(In thousands, except per share amounts)
Net income			$	2,470					$	3,568					$	2,796					$	8,259
Weighted average shares outstanding - basic			52,059						52,689						52,191						52,879
Effect of dilutive share-based compensation awards			72						98						103						123
Weighted average shares outstanding - diluted			52,131						52,787						52,294						53,002
Net income per share - basic			$	0.05					$	0.07					$	0.05					$	0.16
Net income per share - diluted			$	0.05					$	0.07					$	0.05					$	0.16
Anti-dilutive share-based compensation awards			1,133						686						1,225						828

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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 year-to-date period ended June 25, 2025, we repurchased a total of 0.4 million shares of our common stock for $1.6 million, including excise taxes. This brings the total amount repurchased under the current authorization to $162.4 million, including excise taxes, leaving $87.6 million that can be used to repurchase our common stock under this authorization as of June 25, 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 June 25, 2025, 0.4 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)			21						—						21
Settlement loss recognized (1)			1						—						1
Changes in the fair value of cash flow hedges			—						(7,182)						(7,182)
Reclassification of cash flow hedges to interest expense, net (2)			—						(1,915)						(1,915)
Amortization of unrealized losses related to interest rate swaps to interest expense, net			—						1,138						1,138
Income tax expense related to items of other comprehensive income (loss)			(5)						2,006						2,001
Balance as of June 25, 2025			$	(192)					$	(37,783)					$	(37,975)

(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 June 25, 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. 

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Note 15.     Supplemental Cash Flow Information

			Two Quarters Ended
			June 25, 2025						June 26, 2024
			(In thousands)
Income taxes paid, net			$	2,250					$	3,668
Interest paid			$	8,411					$	8,185
Noncash investing and financing activities:
Restaurant acquisition payable			$	300					$	—
Accrued purchase of property			$	549					$	229
Issuance of common stock, pursuant to share-based compensation plans			$	2,385					$	3,793
Execution of finance leases			$	191					$	119
Treasury stock payable			$	—					$	137
Treasury stock excise tax payable			$	—					$	511
Receivables included in acquisition of restaurants			$	224					$	—

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 June 25, 2025																		Two Quarters Ended June 25, 2025
			Denny's						Other						Total						Denny's						Other						Total
Revenues			(In thousands)																		(In thousands)
Company restaurant sales			$	48,474					$	9,921					$	58,395					$	94,180					$	18,115					$	112,295
Franchise and license revenue:
Royalties			27,912						1,179						29,091						54,504						2,424						56,928
Advertising revenue			19,047						443						19,490						37,667						896						38,563
Initial and other fees			2,742						62						2,804						5,471						207						5,678
Occupancy revenue			7,844						33						7,877						15,764						66						15,830
Total franchise and license revenue			57,545						1,717						59,262						113,406						3,593						116,999
Total operating revenue			106,019						11,638						117,657						207,586						21,708						229,294
Cost and expenses
Costs of company restaurant sales, excluding depreciation and amortization:
Product costs			12,301						2,785						15,086						24,020						5,277						29,297
Payroll and benefits			17,971						3,898						21,869						35,664						7,301						42,965
Occupancy costs			3,909						1,272						5,181						7,906						2,334						10,240
Other operating expenses:
Utilities			1,516						313						1,829						2,975						548						3,523
Repairs and maintenance			742						105						847						1,506						177						1,683
Marketing			2,085						301						2,386						3,898						516						4,414
Legal settlements			382						9						391						807						(11)						796
Pre-opening costs			—						645						645						—						1,354						1,354
Other direct costs			3,258						853						4,111						6,568						1,530						8,098
Total costs of company restaurant sales, excluding depreciation and amortization			42,164						10,181						52,345						83,344						19,026						102,370
Costs of franchise and license revenue, excluding depreciation and amortization:
Advertising costs			19,047						443						19,490						37,667						896						38,563
Occupancy costs			4,839						33						4,872						9,739						66						9,805
Other direct costs			4,580						275						4,855						8,520						683						9,203
Total costs of franchise and license revenue, excluding depreciation and amortization			28,466						751						29,217						55,926						1,645						57,571
Total restaurant-level operating margin			35,389						706						36,095						68,316						1,037						69,353
Reconciliation of restaurant-level operating margin to net income
General and administrative expenses															21,445																		41,475
Depreciation and amortization															4,378																		8,485
Operating (gains), losses and other charges, net															1,700																		5,611
Total other operating expenses															27,523																		55,571
Operating income															8,572																		13,782
Interest expense, net															5,374																		9,802
Other nonoperating income, net															(563)																		(401)
Income before income taxes															3,761																		4,381
Provision for income taxes															1,291																		1,585
Net income															$	2,470																	$	2,796

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			Quarter Ended June 26, 2024																		Two Quarters Ended June 26, 2024
			Denny's						Other						Total						Denny's						Other						Total
Revenues			(In thousands)																		(In thousands)
Company restaurant sales			$	49,557					$	4,791					$	54,348					$	97,724					$	8,966					$	106,690
Franchise and license revenue:
Royalties			28,781						1,233						30,014						56,830						2,490						59,320
Advertising revenue			20,339						449						20,788						38,019						907						38,926
Initial and other fees			2,369						79						2,448						4,112						152						4,264
Occupancy revenue			8,306						23						8,329						16,678						23						16,701
Total franchise and license revenue			59,795						1,784						61,579						115,639						3,572						119,211
Total operating revenue			109,352						6,575						115,927						213,363						12,538						225,901
Cost and expenses
Costs of company restaurant sales, excluding depreciation and amortization:
Product costs			12,340						1,292						13,632						24,544						2,399						26,943
Payroll and benefits			18,374						2,119						20,493						37,031						3,936						40,967
Occupancy costs			4,031						640						4,671						8,044						1,200						9,244
Other operating expenses:
Utilities			1,550						145						1,695						3,097						253						3,350
Repairs and maintenance			947						61						1,008						1,924						89						2,013
Marketing			1,758						118						1,876						3,239						241						3,480
Legal settlements			197						11						208						1,646						11						1,657
Pre-opening costs			—						191						191						—						557						557
Other direct costs			3,418						386						3,804						6,648						837						7,485
Total costs of company restaurant sales, excluding depreciation and amortization			42,615						4,963						47,578						86,173						9,523						95,696
Costs of franchise and license revenue, excluding depreciation and amortization:
Advertising costs			20,339						449						20,788						38,019						907						38,926
Occupancy costs			5,072						22						5,094						10,204						22						10,226
Other direct costs			7,251						295						7,546						11,232						418						11,650
Total costs of franchise and license revenue, excluding depreciation and amortization			32,662						766						33,428						59,455						1,347						60,802
Total restaurant-level operating margin			34,075						846						34,921						67,735						1,668						69,403
Reconciliation of restaurant-level operating margin to net income
General and administrative expenses															20,486																		41,708
Depreciation and amortization															3,735																		7,316
Goodwill impairment charges															20																		20
Operating (gains), losses and other charges, net															1,565																		1,238
Total other operating expenses															25,806																		50,282
Operating income															9,115																		19,121
Interest expense, net															4,573																		8,993
Other nonoperating income, net															(224)																		(861)
Income before income taxes															4,766																		10,989
Provision for income taxes															1,198																		2,730
Net income															$	3,568																	$	8,259

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			June 25, 2025						December 25, 2024
Segment assets:			(In thousands)
Denny’s			$	325,492					$	344,986
Other			165,658						151,288
Total assets			$	491,150					$	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; 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 June 25, 2025, the Denny's brand consisted of 1,484 restaurants, 1,422 of which were franchised/licensed restaurants and 62 of which were company operated. At June 25, 2025, the Keke's brand consisted of 74 restaurants, 52 of which were franchised restaurants and 22 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 and year-to-date periods ended June 25, 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																								Two Quarters Ended
			June 25, 2025												June 26, 2024												June 25, 2025												June 26, 2024
			(In thousands)
Revenue:
Company restaurant sales			$	58,395					49.6		%				$	54,348					46.9		%				$	112,295					49.0		%				$	106,690					47.2		%
Franchise and license revenue			59,262						50.4		%				61,579						53.1		%				116,999						51.0		%				119,211						52.8		%
Total operating revenue			117,657						100.0		%				115,927						100.0		%				229,294						100.0		%				225,901						100.0		%
Costs of company restaurant sales, excluding depreciation and amortization (a):
Product costs			15,086						25.8		%				13,632						25.1		%				29,297						26.1		%				26,943						25.3		%
Payroll and benefits			21,869						37.5		%				20,493						37.7		%				42,965						38.3		%				40,967						38.4		%
Occupancy			5,181						8.9		%				4,671						8.6		%				10,240						9.1		%				9,244						8.7		%
Other operating expenses			10,209						17.5		%				8,782						16.2		%				19,868						17.7		%				18,542						17.4		%
Total costs of company restaurant sales, excluding depreciation and amortization			52,345						89.6		%				47,578						87.5		%				102,370						91.2		%				95,696						89.7		%
Costs of franchise and license revenue, excluding depreciation and amortization (a)			29,217						49.3		%				33,428						54.3		%				57,571						49.2		%				60,802						51.0		%
General and administrative expenses			21,445						18.2		%				20,486						17.7		%				41,475						18.1		%				41,708						18.5		%
Depreciation and amortization			4,378						3.7		%				3,735						3.2		%				8,485						3.7		%				7,316						3.2		%
Goodwill impairment charges			—						0.0		%				20						0.0		%				—						0.0		%				20						0.0		%
Operating (gains), losses and other charges, net			1,700						1.4		%				1,565						1.3		%				5,611						2.4		%				1,238						0.5		%
Total operating costs and expenses, net			109,085						92.7		%				106,812						92.1		%				215,512						94.0		%				206,780						91.5		%
Operating income			8,572						7.3		%				9,115						7.9		%				13,782						6.0		%				19,121						8.5		%
Interest expense, net			5,374						4.6		%				4,573						3.9		%				9,802						4.3		%				8,993						4.0		%
Other nonoperating income, net			(563)						(0.5)		%				(224)						(0.2)		%				(401)						(0.2)		%				(861)						(0.4)		%
Income before income taxes			3,761						3.2		%				4,766						4.1		%				4,381						1.9		%				10,989						4.9		%
Provision for income taxes			1,291						1.1		%				1,198						1.0		%				1,585						0.7		%				2,730						1.2		%
Net income			$	2,470					2.1		%				$	3,568					3.1		%				$	2,796					1.2		%				$	8,259					3.7		%

            

(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												Two Quarters Ended
			June 25, 2025						June 26, 2024						June 25, 2025						June 26, 2024
			(Dollars in thousands)
Denny's
Company average unit sales			$789						$774						$1,547						$1,517
Franchise average unit sales			$479						$473						$930						$930
Company equivalent units (a)			61						64						61						64
Franchise equivalent units (a)			1,426						1,485						1,430						1,493
Company same-store sales decrease vs. prior year (b)(c)			0.0%						(2.6)%						(0.4)%						(2.8)%
Domestic franchise same-store sales decrease vs. prior year (b)(c)			(1.4)%						(0.4)%						(2.3)%						(0.8)%
Keke's
Company average unit sales			$433						$447						$845						$902
Franchise average unit sales			$484						$457						$996						$929
Company equivalent units (a)			23						11						21						10
Franchise equivalent units (a)			48						51						47						50
Company same-store sales increase (decrease) vs. prior year (b)(c)			3.4%						(4.4)%						2.0%						(2.7)%
Franchise same-store sales increase (decrease) vs. prior year (b)(c)			4.2%						(4.6)%						4.2%						(4.3)%

            

(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												Two Quarters Ended
			June 25, 2025						June 26, 2024						June 25, 2025						June 26, 2024
Denny's
Company restaurants, beginning of period			61						64						61						65
Units acquired from franchisees			1						—						1						—
Units closed			—						—						—						(1)
End of period			62						64						62						64
Franchised and licensed restaurants, beginning of period			1,430						1,489						1,438						1,508
Units opened			3						3						9						8
Units acquired by Company			(1)						—						(1)						—
Units closed			(10)						(15)						(24)						(39)
End of period			1,422						1,477						1,422						1,477
Total restaurants, end of period			1,484						1,541						1,484						1,541

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			Quarter Ended												Two Quarters Ended
			June 25, 2025						June 26, 2024						June 25, 2025						June 26, 2024
Keke's
Company restaurants, beginning of period			21						11						14						8
Units opened			4						1						6						4
Units acquired from franchisees			—						—						5						—
Units sold to franchisees			(3)						(1)						(3)						(1)
End of period			22						11						22						11
Franchised restaurants, beginning of period			45						50						55						50
Units opened			4						—						5						—
Units purchased from Company			3						1						3						1
Units acquired by Company			—						—						(5)						—
Units closed			—						—						(6)						—
End of period			52						51						52						51
Total restaurants, end of period			74						62						74						62

Company Restaurant Operations

 

Company restaurant sales increased $4.0 million, or 7.4%, for the quarter ended June 25, 2025 and $5.6 million, or 5.3%, year-to-date compared to the prior year periods, primarily resulting from a Keke's 12 equivalent unit increase for the current quarter and a Keke's 11 equivalent unit increase year-to-date compared to the prior year periods and an increase in Keke's same-store sales of 3.4% for the current quarter and 2.0% year-to-date compared to the prior year periods. The increases in company restaurant sales were partially offset by a Denny's three equivalent unit decrease for the current quarter and year-to-date periods compared to the prior year periods.

Total costs of company restaurant sales as a percentage of company restaurant sales were 89.6% for the quarter ended June 25, 2025 and 91.2% year-to-date compared to 87.5% and 89.7% for the prior year periods, respectively.

Product costs as a percentage of company restaurant sales were 25.8% for the quarter ended June 25, 2025 and 26.1% year-to-date compared to 25.1% and 25.3% for the prior year periods, respectively. The current quarter and year-to-date period increases as a percentage of company restaurant sales were 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 were 37.5% for the quarter ended June 25, 2025 and 38.3% year-to-date compared to 37.7% and 38.4% for the prior year periods, respectively.

Occupancy costs as a percentage of company restaurant sales were 8.9% for the quarter ended June 25, 2025 and 9.1% year-to-date compared to 8.6% and 8.7%, respectively, for the prior year periods. The current quarter increase as a percentage of company restaurant sales was primarily due to a 0.7 percentage point increase in rent and property taxes, offset by a 0.4 percentage point decrease in general liability insurance costs resulting from favorable claims development. The year-to-date increase as a percentage of company restaurant sales was primarily due to a 0.8 percentage point increase in rent and property taxes, offset by a 0.4 percentage point decrease in general liability insurance costs resulting from favorable claims development.

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

			Quarter Ended																								Two Quarters Ended
			June 25, 2025												June 26, 2024												June 25, 2025												June 26, 2024
			(In thousands)
Utilities			$	1,829					3.1		%				$	1,695					3.1		%				$	3,523					3.1		%				$	3,350					3.1		%
Repairs and maintenance			847						1.5		%				1,008						1.9		%				1,683						1.5		%				2,013						1.9		%
Marketing			2,386						4.1		%				1,876						3.5		%				4,414						3.9		%				3,480						3.3		%
Legal settlements			391						0.7		%				208						0.4		%				796						0.7		%				1,657						1.6		%
Pre-opening costs			645						1.1		%				191						0.4		%				1,354						1.2		%				557						0.5		%
Other direct costs			4,111						7.0		%				3,804						7.0		%				8,098						7.2		%				7,485						7.0		%
Other operating expenses			$	10,209					17.5		%				$	8,782					16.2		%				$	19,868					17.7		%				$	18,542					17.4		%

The current quarter and year-to-date period increases in other operating expenses were primarily due to increased marketing and higher pre-opening costs at Keke's related to new unit openings. The year-to-date period also benefited from favorable legal settlement costs related to unfavorable developments in certain claims during the prior period.

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																								Two Quarters Ended
			June 25, 2025												June 26, 2024												June 25, 2025												June 26, 2024
			(In thousands)
Royalties			$	29,091					49.1		%				$	30,014					48.7		%				$	56,928					48.7		%				$	59,320					49.7		%
Advertising revenue			19,490						32.9		%				20,788						33.8		%				38,563						33.0		%				38,926						32.7		%
Initial and other fees			2,804						4.7		%				2,448						4.0		%				5,678						4.9		%				4,264						3.6		%
Occupancy revenue			7,877						13.3		%				8,329						13.5		%				15,830						13.5		%				16,701						14.0		%
Franchise and license revenue			$	59,262					100.0		%				$	61,579					100.0		%				$	116,999					100.0		%				$	119,211					100.0		%
Advertising costs			$	19,490					32.9		%				$	20,788					33.8		%				$	38,563					33.0		%				$	38,926					32.7		%
Occupancy costs			4,872						8.2		%				5,094						8.3		%				9,805						8.4		%				10,226						8.6		%
Other direct franchise costs			4,855						8.2		%				7,546						12.3		%				9,203						7.9		%				11,650						9.8		%
Costs of franchise and license revenue			$	29,217					49.3		%				$	33,428					54.3		%				$	57,571					49.2		%				$	60,802					51.0		%

Franchise and license revenue decreased $2.3 million, or 3.8%, for the quarter ended June 25, 2025 and $2.2 million, or 1.9%, year-to-date compared to the prior year periods. Royalties decreased $0.9 million, or 3.1%, and $2.4 million, or 4.0%, for the current quarter and year-to-date periods, respectively, compared to the prior year periods. The decreases in royalties primarily resulted from a decrease of 59 Denny's franchise equivalent units for the current quarter and 63 franchise equivalent units year-to-date compared to the prior year periods, and a decrease in Denny's domestic franchise same-store sales of 1.4% for the current quarter and 2.3% year-to-date as compared to the prior year periods. The decreases also include Keke's franchise equivalent unit decreases of three units for the current quarter and year-to-date periods, respectively. These decreases were partially offset by an increase in Keke's franchise same-store sales of 4.2% for the current quarter and 4.2% year-to-date as compared to the prior year periods.

Advertising revenue decreased $1.3 million, or 6.2%, for the quarter ended June 25, 2025 and $0.4 million, or 0.9%, year-to-date compared to the prior year periods. The decrease in advertising revenue for the current quarter and year-to-date periods primarily resulted from the decrease in Denny's franchise equivalent units and same-store sales noted above. In addition, local advertising co-op contributions decreased by $0.7 million and increased by $1.1 million for the current quarter and year-to-date periods, respectively.

Initial and other fees increased $0.4 million, or 14.6%, for the quarter ended June 25, 2025 and $1.4 million, or 33.2%, year-to-date compared to the prior year periods. These increases in initial and other fees were driven by increased revenue of $0.2

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million and $0.5 million from sales of equipment to franchisees for the current quarter and year-to-date periods, respectively. The year-to-date period ended June 25, 2025 also included the collection of a $0.6 million early franchise termination fee.

Occupancy revenue decreased $0.5 million, or 5.4%, for the current quarter and $0.9 million, or 5.2%, year-to-date compared to the prior year periods, primarily due to lease terminations and modifications.

Costs of franchise and license revenue decreased $4.2 million, or 12.6%, for the quarter ended June 25, 2025 and $3.2 million, or 5.3%, year-to-date compared to the prior year periods. Advertising costs decreased $1.3 million, or 6.2%, for the current quarter and decreased $0.4 million, or 0.9%, year-to-date, which corresponds to the related advertising revenue decreases for the current quarter and year-to-date periods noted above. Occupancy costs decreased $0.2 million, or 4.3%, for the current quarter and $0.4 million, or 4.1%, year-to-date compared to the prior year periods, primarily due to lease terminations. Other direct franchise costs decreased $2.7 million, or 35.7%, for the current quarter and $2.4 million, or 21.0%, year-to-date compared to the prior year periods. The decrease in other direct franchise costs for the current quarter and the year-to-date period was primarily due to a $2.6 million distribution to franchisees related to a review of advertising costs in the prior year periods. As a result of the changes in franchise and license revenue discussed above, costs of franchise and license revenue decreased to 49.3% and 49.2% of franchise and license revenue for the quarter and year-to-date periods ended June 25, 2025, respectively, from 54.3% and 51.0% for the prior year periods, respectively.

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.

General and administrative expenses consisted of the following:

			Quarter Ended												Two Quarters Ended
			June 25, 2025						June 26, 2024						June 25, 2025						June 26, 2024
			(In thousands)
Corporate administrative expenses			$	15,226					$	15,776					$	30,470					$	30,968
Share-based compensation			2,982						2,624						5,767						5,400
Incentive compensation			2,759						1,898						5,016						4,421
Deferred compensation valuation adjustments			478						188						222						919
Total general and administrative expenses			$	21,445					$	20,486					$	41,475					$	41,708

Total general and administrative expenses increased $1.0 million, or 4.7%, for the quarter ended June 25, 2025 and decreased $0.2 million, or 0.6%, year-to-date compared to the prior year periods.

Corporate administrative expenses decreased $0.6 million for the quarter and $0.5 million for the year-to-date period, primarily due to the elimination of positions during each period. Share-based compensation increased by $0.4 million for the quarter and the year-to-date period. The increases for both periods were primarily due to plan performance adjustments in the prior year. Incentive compensation increased by $0.9 million for the quarter and $0.6 million for the year-to-date period. The changes in incentive compensation for both periods primarily resulted from our performance against plan metrics. Changes in deferred compensation valuation adjustments have offsetting gains or losses on the underlying nonqualified deferred plan investments included as a component of other nonoperating income, net, for the corresponding periods.

 

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Depreciation and amortization consisted of the following:

			Quarter Ended												Two Quarters Ended
			June 25, 2025						June 26, 2024						June 25, 2025						June 26, 2024
			(In thousands)
Depreciation of property and equipment			$	3,545					$	2,823					$	6,815					$	5,478
Amortization of finance lease ROU assets			299						348						607						700
Amortization of intangible and other assets			534						564						1,063						1,138
Total depreciation and amortization expense			$	4,378					$	3,735					$	8,485					$	7,316

The increases in total depreciation and amortization expense for the quarter and year-to-date periods ended June 25, 2025 were primarily due to new Keke's units.

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

			Quarter Ended												Two Quarters Ended
			June 25, 2025						June 26, 2024						June 25, 2025						June 26, 2024
			(In thousands)
(Gains) losses on sales of assets and other, net			$	425					$	526					$	(1,317)					$	(94)
Impairment charges			49						619						3,265						714
Restructuring charges and exit costs			1,226						420						3,663						618
Operating (gains), losses and other charges, net			$	1,700					$	1,565					$	5,611					$	1,238

(Gains) losses on sales of assets and other, net for the quarter and year-to-date periods ended June 25, 2025 and June 26, 2024 were primarily related to the sales of real estate and restaurants.

We recorded impairment charges of less than $0.1 million and $3.3 million for the quarter and year-to-date periods ended June 25, 2025, primarily related to closed franchise restaurants and the relocation of certain support functions.

Restructuring charges and exit costs consisted of the following:

			Quarter Ended												Two Quarters Ended
			June 25, 2025						June 26, 2024						June 25, 2025						June 26, 2024
			(In thousands)
Exit costs			$	9					$	49					$	49					$	91
Severance and other restructuring charges			1,217						371						3,614						527
Total restructuring and exit costs			$	1,226					$	420					$	3,663					$	618

Severance and other restructuring charges for the quarter and year-to-date periods ended June 25, 2025 primarily consisted of severance costs resulting from the elimination of 26 positions during the quarter and 66 positions year-to-date, as part of a cost savings initiative.

Operating income was $8.6 million for the quarter ended June 25, 2025 and $13.8 million year-to-date compared to $9.1 million and $19.1 million, respectively, for the prior year periods.

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Interest expense, net consisted of the following:

			Quarter Ended												Two Quarters Ended
			June 25, 2025						June 26, 2024						June 25, 2025						June 26, 2024
			(In thousands)
Interest on credit facility			$	4,666					$	5,167					$	9,213					$	10,224
Interest income on interest rate swaps			(840)						(1,536)						(1,915)						(3,044)
Interest on finance lease liabilities			463						497						933						1,006
Letters of credit and other fees			102						179						214						311
Interest income			(56)						(61)						(100)						(132)
Total cash interest, net			4,335						4,246						8,345						8,365
Amortization of deferred financing costs			159						159						318						318
Amortization of interest rate swap losses			879						167						1,138						309
Interest accretion on other liabilities			1						1						1						1
Total interest expense, net			$	5,374					$	4,573					$	9,802					$	8,993

Interest expense, net increased $0.8 million for both the quarter and year-to-date periods ended June 25, 2025, respectively, primarily due to increases in amortization of interest rate swap losses. We expect to amortize $4.2 million from accumulated other comprehensive loss, net to interest expense, net related to dedesignated interest rate swaps during the next 12 months.

Other nonoperating income, net increased $0.3 million and decreased $0.5 million for the quarter and year-to-date periods ended June 25, 2025, respectively, compared to the prior year periods. These changes were primarily due to market value changes of deferred compensation plan investments.

Provision for income taxes was $1.3 million for the quarter ended June 25, 2025 and $1.6 million year-to-date compared to $1.2 million and $2.7 million, respectively, for the prior year periods. The effective tax rate was 34.3% for the current quarter and 36.2% year-to-date, compared to 25.1% and 24.8% for the prior year periods, respectively. The effective income tax rate for the quarter and year-to-date periods ended June 25, 2025 included discrete items relating to share-based compensation of 9.0% and 11.5%, respectively. We did not have similar discrete items for the quarter and year-to-date periods ended June 26, 2024. We expect the 2025 fiscal year effective tax rate to be between 23% and 27%. 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.

On July 4, 2025, H.R. 1, the budget bill known as the One Big Beautiful Bill Act ("OBBBA") was enacted. The OBBBA includes significant provisions, such as the permanent extension of certain expiring provisions of the Tax Cuts and Jobs Act, modifications to the international tax framework, and the restoration of favorable tax treatment for certain business provisions. The legislation has multiple effective dates, with certain provisions effective in 2025 and others implemented through 2027. We are currently assessing its impact on our consolidated financial statements.

Net income was $2.5 million for the quarter ended June 25, 2025 and $2.8 million year-to-date compared to $3.6 million and $8.3 million for the prior year periods, respectively.

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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:

			Two Quarters Ended
			June 25, 2025						June 26, 2024
			(In thousands)
Net cash provided by operating activities			$	14,368					$	14,396
Net cash used in investing activities			(17,536)						(10,349)
Net cash provided by (used in) financing activities			2,636						(7,774)
Decrease in cash and cash equivalents			$	(532)					$	(3,727)

  

Net cash flows provided by operating activities were $14.4 million for the year-to-date period ended June 25, 2025 and the year-to-date period ended June 26, 2024, respectively. 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 $17.5 million for the year-to-date period ended June 25, 2025. These cash flows included capital expenditures of $16.4 million and acquisitions of restaurants of $4.1 million, partially offset by net proceeds from asset sales of $1.9 million and investment sales of $1.1 million. Net cash flows used in investing activities were $10.3 million for the year-to-date period ended June 26, 2024. These cash flows included capital expenditures of $9.9 million and investment purchases of $1.5 million, partially offset by net proceeds from asset sales of $1.0 million.

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

			Two Quarters Ended
			June 25, 2025						June 26, 2024
			(In thousands)
Facilities			$	3,365					$	2,182
New construction			9,044						5,427
Remodeling			3,128						510
Information technology			297						861
Other			550						968
Capital expenditures			$	16,384					$	9,948

 

Net cash flows provided by financing activities were $2.6 million for the year-to-date period ended June 25, 2025, including net long-term debt borrowings of $6.7 million, partially offset by cash payments of tax withholding on share-based compensation of $1.0 million, payments for stock repurchases of $1.7 million and net bank overdraft payments of $1.4 million. Net cash flows used in financing activities were $7.8 million for the year-to-date period ended June 26, 2024, which included net long-term debt borrowings of $1.3 million and net bank overdraft borrowings of $2.2 million, partially offset by cash payments for stock repurchases of $9.4 million and payments of tax withholding on share-based compensation of $1.9 million.

Our working capital deficit was $55.7 million at June 25, 2025 compared to $55.6 million at December 25, 2024. 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.

31

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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 June 25, 2025, our consolidated leverage ratio was 3.98 times and our consolidated fixed charge coverage ratio was 2.05 times. We were in compliance with all financial covenants as of June 25, 2025, and we expect to remain in compliance throughout the remainder of 2025.

As of June 25, 2025, we had outstanding revolver loans of $268.6 million and outstanding letters of credit under the credit facility of $15.9 million. These balances resulted in unused commitments of $115.5 million as of June 25, 2025 under the credit facility.

As of June 25, 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 6.67% and 6.98% as of June 25, 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 5.36% and 5.01% as of June 25, 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 June 25, 2025, borrowings under our credit facility bore interest at variable rates based on Adjusted Daily Simple SOFR plus 2.25% per annum.

32

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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 designated as cash flow hedges as of June 25, 2025 is as follows:

Trade Date						Effective Date						Maturity Date						Notional Amount						Fair Value						Fixed Rate
																		(In thousands)
October 1, 2015						March 29, 2018						March 31, 2026						$	50,000					$	614					2.37		%
February 15, 2018						March 31, 2020						December 31, 2033						$	189,000		(1)			$	11,131					3.09		%
Total																		$	239,000					$	11,745

(1)     The notional amounts of the swaps entered into on February 15, 2018 increase periodically until they reach the maximum notional amount of $335 million on August 31, 2033.

As of June 25, 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 June 25, 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 June 25, 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 end of the preceding fiscal year. 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 June 25, 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.

33

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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 June 25, 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)
March 27, 2025 - April 23, 2025			143						$	3.34					143						$	87,736
April 24, 2025 - May 21, 2025			37						3.56						37						$	87,602
May 22, 2025 - June 25, 2025			—						—						—						$	87,602
Total			180						$	3.39					180

(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 June 25, 2025, we purchased 0.2 million shares of our common stock for an aggregate consideration of $0.6 million pursuant to the share repurchase program.

Item 5. Other Information

Rule 10b5-1 Trading Plans

During the quarter ended June 25, 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.

34

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Item 6.     Exhibits

 

The following are included as exhibits to this report: 

Exhibit No.						Description
10.1						Denny's Corporation Amended and Restated 2021 Omnibus Incentive Plan (incorporated by reference to Appendix B to the Company's Definitive Proxy Statement filed with the Securities and Exchange Commission on April 3, 2025).
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
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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)

35

---

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:

August 4, 2025

By:

/s/ Robert P. Verostek

Robert P. Verostek

Executive Vice President and Chief Financial Officer

Date:

August 4, 2025

By:

/s/ Jay C. Gilmore

Jay C. Gilmore

Senior Vice President, Chief Accounting Officer and Corporate Controller

36

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:

August 4, 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:

August 4, 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 June 25, 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:

August 4, 2025

By:

/s/ Kelli F. Valade

Kelli F. Valade

Chief Executive Officer

 

Date:

August 4, 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.

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v3.25.2

Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 25, 2025	Dec. 25, 2024
Current assets:
Cash and cash equivalents	$ 1,166	$ 1,698
Investments	0	1,106
Receivables, net	19,074	24,433
Inventories	2,129	1,747
Assets held for sale	1,096	381
Prepaid and other current assets	8,866	10,628
Total current assets	32,331	39,993
Property, net of accumulated depreciation of $162,101 and $159,588, respectively	118,601	111,417
Finance lease right-of-use assets, net of accumulated amortization of $6,813 and $6,783, respectively	5,695	6,200
Operating lease right-of-use assets, net	126,457	124,738
Goodwill	68,526	66,357
Intangible assets, net	89,630	91,739
Deferred financing costs, net	748	1,066
Other noncurrent assets	49,162	54,764
Total assets	491,150	496,274
Current liabilities:
Current finance lease liabilities	1,306	1,284
Current operating lease liabilities	16,676	15,487
Accounts payable	16,299	19,985
Other current liabilities	53,701	58,842
Total current liabilities	87,982	95,598
Long-term liabilities:
Long-term debt	268,600	261,300
Noncurrent finance lease liabilities	8,729	9,284
Noncurrent operating lease liabilities	122,108	120,841
Liability for insurance claims, less current portion	5,750	5,866
Deferred income taxes, net	6,276	9,964
Other noncurrent liabilities	26,284	27,446
Total long-term liabilities	437,747	434,701
Total liabilities	525,729	530,299
Shareholders' deficit
Common stock $0.01 par value; 135,000 shares authorized; June 25, 2025: 51,893 shares issued and 51,495 outstanding; December 25, 2024: 51,329 shares issued and outstanding	519	513
Paid-in capital	4,175	0
Retained earnings (deficit)	297	(2,499)
Accumulated other comprehensive loss, net	(37,975)	(32,039)
Treasury stock, at cost, 398 and 0 shares, respectively	(1,595)	0
Total shareholders' deficit	(34,579)	(34,025)
Total liabilities and shareholders' deficit	$ 491,150	$ 496,274

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v3.25.2

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 25, 2025	Dec. 25, 2024
Assets
Accumulated depreciation	$ 162,101	$ 159,588
Accumulated amortization	$ 6,813	$ 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)	51,893,000	51,329,000
Common stock, shares outstanding (in shares)	51,495,000	51,329,000
Treasury stock, at cost (in shares)	398,000	0

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v3.25.2

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024
Revenue:
Total operating revenue	$ 117,657	$ 115,927	$ 229,294	$ 225,901
Costs of company restaurant sales, excluding depreciation and amortization:
Product costs	15,086	13,632	29,297	26,943
Payroll and benefits	21,869	20,493	42,965	40,967
Occupancy	5,181	4,671	10,240	9,244
Other operating expenses	10,209	8,782	19,868	18,542
Total costs of company restaurant sales, excluding depreciation and amortization	52,345	47,578	102,370	95,696
Costs of franchise and license revenue, excluding depreciation and amortization	29,217	33,428	57,571	60,802
General and administrative expenses	21,445	20,486	41,475	41,708
Depreciation and amortization	4,378	3,735	8,485	7,316
Goodwill impairment charges	0	20	0	20
Operating (gains), losses and other charges, net	1,700	1,565	5,611	1,238
Total operating costs and expenses, net	109,085	106,812	215,512	206,780
Operating income	8,572	9,115	13,782	19,121
Interest expense, net	5,374	4,573	9,802	8,993
Other nonoperating income, net	(563)	(224)	(401)	(861)
Income before income taxes	3,761	4,766	4,381	10,989
Provision for income taxes	1,291	1,198	1,585	2,730
Net income	$ 2,470	$ 3,568	$ 2,796	$ 8,259
Net income per share - basic (in dollars per share)	$ 0.05	$ 0.07	$ 0.05	$ 0.16
Net income per share - diluted (in dollars per share)	$ 0.05	$ 0.07	$ 0.05	$ 0.16
Basic weighted average shares outstanding (in shares)	52,059	52,689	52,191	52,879
Diluted weighted average shares outstanding (in shares)	52,131	52,787	52,294	53,002
Company restaurant sales
Revenue:
Total operating revenue	$ 58,395	$ 54,348	$ 112,295	$ 106,690
Franchise and license revenue
Revenue:
Total operating revenue	$ 59,262	$ 61,579	$ 116,999	$ 119,211

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v3.25.2

Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 2,470	$ 3,568	$ 2,796	$ 8,259
Other comprehensive income (loss), net of tax:
Minimum pension liability adjustment, net of tax of $2, $13, $5 and $19, respectively	9	41	17	51
Changes in the fair value of cash flow hedges, net of tax of $(898), $680, $(1,810) and $3,103, respectively	(2,665)	2,017	(5,372)	9,192
Reclassification of cash flow hedges to interest expense, net of tax of $(212), $(387), $(483) and $(768), respectively	(628)	(1,149)	(1,432)	(2,276)
Amortization of unrealized losses related to interest rate swaps to interest expense, net of tax of $222, $42, $287 and $78, respectively	657	125	851	231
Other comprehensive income (loss)	(2,627)	1,034	(5,936)	7,198
Total comprehensive income (loss)	$ (157)	$ 4,602	$ (3,140)	$ 15,457

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v3.25.2

Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024
Statement of Comprehensive Income [Abstract]
Tax effect of minimum pension liability adjustment	$ 2	$ 13	$ 5	$ 19
Changes in fair value of cash flow derivatives, tax	(898)	680	(1,810)	3,103
Reclassification of cash flow derivatives to interest expense, tax	(212)	(387)	(483)	(768)
Reclassification of unrealized losses related to derivatives to interest expense, tax	$ 222	$ 42	$ 287	$ 78

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v3.25.2

Consolidated Statements of Shareholders' Deficit - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Treasury Stock	Paid-in Capital	Retained Earnings (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	8,259				8,259
Other comprehensive income (loss)	7,198					7,198
Share-based compensation on equity classified awards, net of withholding tax	3,451			3,451
Purchase of treasury stock, including excise tax (in shares)			(1,103)
Purchase of treasury stock, including excise tax	(9,465)		$ (9,465)
Issuance of common stock for share-based compensation (in shares)		433
Issuance of common stock for share-based compensation	0	$ 4		(4)
Balance as of end of period (in shares) at Jun. 26, 2024		53,339
Balance as of end of period at Jun. 26, 2024	(53,243)	$ 533	$ (15,925)	10,135	(13,525)	(34,461)
Balance as of end of period, treasury stock (in shares) at Jun. 26, 2024			(1,770)
Balance as of beginning of period (in shares) at Mar. 27, 2024		53,262
Balance as of beginning of period at Mar. 27, 2024	(55,744)	$ 533	$ (11,223)	7,534	(17,093)	(35,495)
Balance as of beginning of period, treasury stock (in shares) at Mar. 27, 2024			(1,143)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,568				3,568
Other comprehensive income (loss)	1,034					1,034
Share-based compensation on equity classified awards, net of withholding tax	2,601			2,601
Purchase of treasury stock, including excise tax (in shares)			(627)
Purchase of treasury stock, including excise tax	(4,702)		$ (4,702)
Issuance of common stock for share-based compensation (in shares)		77
Issuance of common stock for share-based compensation	0	$ 0		0
Balance as of end of period (in shares) at Jun. 26, 2024		53,339
Balance as of end of period at Jun. 26, 2024	$ (53,243)	$ 533	$ (15,925)	10,135	(13,525)	(34,461)
Balance as of end of period, treasury stock (in shares) at Jun. 26, 2024			(1,770)
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	$ 2,796				2,796
Other comprehensive income (loss)	(5,936)					(5,936)
Share-based compensation on equity classified awards, net of withholding tax	$ 4,181			4,181
Purchase of treasury stock, including excise tax (in shares)	(400)		(398)
Purchase of treasury stock, including excise tax	$ (1,595)		$ (1,595)
Issuance of common stock for share-based compensation (in shares)		564
Issuance of common stock for share-based compensation	$ 0	$ 6		(6)
Balance as of end of period (in shares) at Jun. 25, 2025	51,893	51,893
Balance as of end of period at Jun. 25, 2025	$ (34,579)	$ 519	$ (1,595)	4,175	297	(37,975)
Balance as of end of period, treasury stock (in shares) at Jun. 25, 2025	(398)		(398)
Balance as of beginning of period (in shares) at Mar. 26, 2025		51,649
Balance as of beginning of period at Mar. 26, 2025	$ (36,420)	$ 516	$ (981)	1,566	(2,173)	(35,348)
Balance as of beginning of period, treasury stock (in shares) at Mar. 26, 2025			(218)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,470				2,470
Other comprehensive income (loss)	(2,627)					(2,627)
Share-based compensation on equity classified awards, net of withholding tax	2,612			2,612
Purchase of treasury stock, including excise tax (in shares)			(180)
Purchase of treasury stock, including excise tax	(614)		$ (614)
Issuance of common stock for share-based compensation (in shares)		244
Issuance of common stock for share-based compensation	$ 0	$ 3		(3)
Balance as of end of period (in shares) at Jun. 25, 2025	51,893	51,893
Balance as of end of period at Jun. 25, 2025	$ (34,579)	$ 519	$ (1,595)	$ 4,175	$ 297	$ (37,975)
Balance as of end of period, treasury stock (in shares) at Jun. 25, 2025	(398)		(398)

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v3.25.2

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024
Cash flows from operating activities:
Net income	$ 2,796	$ 8,259
Adjustments to reconcile net income to cash flows provided by operating activities:
Depreciation and amortization	8,485	7,316
Goodwill impairment charges	0	20
Operating (gains), losses and other charges, net	5,611	1,238
Amortization on interest rate swaps, net	1,138	308
Amortization of deferred financing costs	318	318
Gains on investments	(36)	(14)
(Gains) losses on early termination of debt and leases	(126)	132
Deferred income tax benefit	(1,874)	(2,144)
Increase of tax valuation allowance	193	179
Share-based compensation expense	5,767	5,400
Changes in assets and liabilities, excluding acquisitions and dispositions:
Receivables	5,256	1,509
Inventories	(293)	280
Prepaids and other current assets	1,762	3,639
Other noncurrent assets	(4,060)	622
Operating lease assets and liabilities	120	(806)
Accounts payable	122	(8,524)
Other accrued liabilities	(9,494)	(1,836)
Other noncurrent liabilities	(1,317)	(1,500)
Net cash flows provided by operating activities	14,368	14,396
Cash flows from investing activities:
Capital expenditures	(16,384)	(9,948)
Acquisition of restaurants	(4,082)	0
Proceeds from asset sales	1,910	1,000
Investment purchases	0	(1,500)
Proceeds from sale of investments	1,142	0
Collections on notes receivable	518	252
Issuance of notes receivable	(640)	(153)
Net cash flows used in investing activities	(17,536)	(10,349)
Cash flows from financing activities:
Revolver borrowings	62,100	70,000
Revolver payments	(54,800)	(68,000)
Repayments of finance leases	(613)	(726)
Tax withholding on share-based payments	(1,000)	(1,872)
Purchase of treasury stock	(1,668)	(9,380)
Net bank overdrafts	(1,383)	2,204
Net cash flows provided by (used in) financing activities	2,636	(7,774)
Decrease in cash and cash equivalents	(532)	(3,727)
Cash and cash equivalents at beginning of period	1,698	4,893
Cash and cash equivalents at end of period	$ 1,166	$ 1,166

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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 S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1 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 Reference 3: 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 The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, beyond the current operating cycle. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 45 -Paragraph 12 -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + Details Name: us-gaap_ProceedsFromSaleOfLongtermInvestments Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit 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

v3.25.2

Introduction and Basis of Presentation	6 Months Ended
	Jun. 25, 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 June 25, 2025, the Company consisted of 1,558 restaurants, 1,474 of which were franchised/licensed restaurants and 84 of which were company operated. The Company consists of the Denny’s brand ("Denny's") and the Keke’s Breakfast Cafe brand (“Keke’s”). As of June 25, 2025, the Denny's brand consisted of 1,484 restaurants, 1,422 of which were franchised/licensed restaurants and 62 of which were company operated. As of June 25, 2025, the Keke's brand consisted of 74 restaurants, 52 of which were franchised restaurants and 22 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.

X

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

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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://www.xbrl.org/2003/role/disclosureRef -Topic 205 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480922/205-10-S99-3 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 205 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481034/205-10-S45-5 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -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

v3.25.2

Summary of Significant Accounting Policies	6 Months Ended
	Jun. 25, 2025
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Summary of Significant Accounting Policies   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.

X

- 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 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/235/tableOfContent Reference 2: 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 + Details Name: us-gaap_SignificantAccountingPoliciesTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.2

Receivables	6 Months Ended
	Jun. 25, 2025
Receivables [Abstract]
Receivables	Receivables   Receivables consisted of the following:   June 25, 2025 December 25, 2024   (In thousands) Receivables, net:     Trade accounts receivable from franchisees $ 13,564  $ 15,798  Notes and loan receivables from franchisees 417  490  Vendor receivables 1,703  3,632  Credit card receivables 822  1,815  Other 2,870  3,140  Allowance for credit losses (302) (442) Total receivables, net $ 19,074  $ 24,433

X

- 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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v3.25.2

Goodwill and Intangible Assets	6 Months Ended
	Jun. 25, 2025
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets	Goodwill and Intangible Assets The following table reflects the changes in carrying amounts of goodwill and goodwill by segment: June 25, 2025 (In thousands) Balance, beginning of year $ 66,357  Additions related to the acquisition of five Keke’s franchise units 2,157  Additions related to the acquisition of a Denny’s franchise unit 404  Write-offs and reclassifications associated with the sale of Keke's units (392) Balance, end of period $ 68,526  Goodwill by segment consisted of the following: June 25, 2025 December 25, 2024 (In thousands) Denny’s $ 37,911  $ 37,507  Other 30,615  28,850  Total goodwill $ 68,526  $ 66,357  Intangible assets consisted of the following:   June 25, 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 9,722  6,599  9,135  6,188  Franchise agreements 8,217  1,517  10,603  1,618  Intangible assets, net $ 97,746  $ 8,116  $ 99,545  $ 7,806  Amortization expense for intangible assets with definite lives totaled $0.4 million and $0.7 million for the quarter and year-to-date periods ended June 25, 2025, respectively. Amortization expense for intangible assets with definite lives totaled $0.4 million and $0.8 million for the quarter and year-to-date periods ended June 26, 2024, respectively.

X

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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

v3.25.2

Other Current Liabilities	6 Months Ended
	Jun. 25, 2025
Other Liabilities, Current [Abstract]
Other Current Liabilities	Other Current Liabilities   Other current liabilities consisted of the following:   June 25, 2025 December 25, 2024   (In thousands) Accrued payroll $ 14,516  $ 15,434  Current portion of liability for insurance claims 4,433  4,494  Accrued taxes 4,808  4,432  Accrued advertising 6,686  11,785  Gift cards 6,786  8,382  Accrued legal settlements 3,859  4,114  Accrued interest 4,402  4,368  Other 8,211  5,833  Other current liabilities $ 53,701  $ 58,842

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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

v3.25.2

Fair Value of Financial Instruments	6 Months Ended
	Jun. 25, 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 June 25, 2025: Deferred compensation plan investments (1) $ 10,227  $ 10,227  $ —  $ —  Interest rate swaps (2) 11,745  —  11,745  —  Total $ 21,972  $ 10,227  $ 11,745  $ —  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 June 25, 2025: Assets held and used(1)(2) $ —  $ 49  (1) As of June 25, 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 and year-to-date periods ended June 25, 2025, we recognized impairment charges of less than $0.1 million and $3.3 million related to certain of these assets, respectively. 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/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: 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 3: 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 4: 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 5: 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 6: 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 7: 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 8: 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 9: 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 10: 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 11: 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 12: 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 13: 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

v3.25.2

Long-Term Debt	6 Months Ended
	Jun. 25, 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 June 25, 2025, our consolidated leverage ratio was 3.98 times and our consolidated fixed charge coverage ratio was 2.05 times. We were in compliance with all financial covenants as of June 25, 2025, and we expect to remain in compliance throughout the remainder of 2025. As of June 25, 2025, we had outstanding revolver loans of $268.6 million and outstanding letters of credit under the credit facility of $15.9 million. These balances resulted in unused commitments of $115.5 million as of June 25, 2025 under the credit facility. As of June 25, 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 6.67% and 6.98% as of June 25, 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 5.36% and 5.01% as of June 25, 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 designated as cash flow hedges as of June 25, 2025 is as follows: Trade Date Effective Date Maturity Date Notional Amount Fair Value Fixed Rate (In thousands) October 1, 2015 March 29, 2018 March 31, 2026 $ 50,000  $ 614  2.37  % February 15, 2018 March 31, 2020 December 31, 2033 $ 189,000  (1) $ 11,131  3.09  % Total $ 239,000  $ 11,745  (1)     The notional amounts of the swaps entered into on February 15, 2018 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 June 25, 2025, the fair value of the swaps designated as cash flow hedges was an asset of $11.7 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 year-to-date period ended June 25, 2025, we reclassified $1.9 million from accumulated other comprehensive loss, net as a reduction to interest expense, net. We expect to reclassify $3.6 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 June 25, 2025, we had a total of $62.3 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 and year-to-date periods ended June 25, 2025, we recorded unrealized losses of $0.9 million and $1.1 million to interest expense, net, respectively. For the quarter and year-to-date periods ended June 26, 2024, we recorded unrealized losses of $0.2 million and $0.3 million to interest expense, net, respectively. We expect to amortize $4.2 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

v3.25.2

Revenues	6 Months Ended
	Jun. 25, 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 Two Quarters Ended   June 25, 2025 June 26, 2024 June 25, 2025 June 26, 2024   (In thousands) Company restaurant sales $ 58,395  $ 54,348  $ 112,295  $ 106,690  Franchise and license revenue: Royalties 29,091  30,014  56,928  59,320  Advertising revenue 19,490  20,788  38,563  38,926  Initial and other fees 2,804  2,448  5,678  4,264  Occupancy revenue  7,877  8,329  15,830  16,701  Franchise and license revenue  59,262  61,579  116,999  119,211  Total operating revenue $ 117,657  $ 115,927  $ 229,294  $ 225,901  Franchise occupancy revenue consisted of the following:   Quarter Ended Two Quarters Ended   June 25, 2025 June 26, 2024 June 25, 2025 June 26, 2024   (In thousands) Operating lease revenue $ 5,848  $ 6,071  $ 11,834  $ 12,199  Variable lease revenue 2,029  2,258  3,996  4,502  Total occupancy revenue $ 7,877  $ 8,329  $ 15,830  $ 16,701  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 589  Revenue recognized (1) (1,654) Balance, June 25, 2025 15,903  Less current portion included in other current liabilities 1,985  Deferred franchise revenue included in other noncurrent liabilities $ 13,918  (1)    Of this amount $1.4 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 4,604  Contract asset amortization (712) Balance, June 25, 2025 10,598  Less current portion included in other current assets 1,264  Contract assets included in other noncurrent assets $ 9,334  The Company purchases equipment related to various programs for franchise restaurants. 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 $0.4 million and $1.0 million of revenue, recorded as a component of initial and other fees, related to the sale of equipment to franchisees during the quarter and year-to-date periods ended June 25, 2025, respectively. We recognized $0.2 million and $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 and year-to-date periods ended June 26, 2024, respectively. As of June 25, 2025, we had $0.5 million in inventory and $0.4 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 June 25, 2025, deferred franchise revenue, net of contract asset amortization, expected to be recognized in the future is as follows: (In thousands) Remainder of 2025 $ 301  2026 833  2027 808  2028 687  2029 589  Thereafter 2,087  Deferred franchise revenue, net $ 5,305  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 June 25, 2025 and December 25, 2024 was $6.8 million and $8.4 million, respectively. During the year-to-date period ended June 25, 2025, we recognized revenue of $0.4 million from gift card redemptions at company restaurants.

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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 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-7 Reference 2: 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 3: 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 4: 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 5: 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 6: 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 7: 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 8: 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 9: 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 10: 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 11: 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

v3.25.2

Operating (Gains), Losses and Other Charges, Net	6 Months Ended
	Jun. 25, 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 Two Quarters Ended   June 25, 2025 June 26, 2024 June 25, 2025 June 26, 2024   (In thousands) (Gains) losses on sales of assets and other, net $ 425  $ 526  $ (1,317) $ (94) Impairment charges 49  619  3,265  714  Restructuring charges and exit costs 1,226  420  3,663  618  Operating (gains), losses and other charges, net $ 1,700  $ 1,565  $ 5,611  $ 1,238  During the quarters and year-to-date periods ended June 25, 2025 and June 26, 2024, (gains) losses on sales of assets and other, net were primarily related to the sales of real estate and restaurants. As of June 25, 2025, we had recorded assets held for sale at their carrying amount of $1.1 million (consisting of property of $0.7 million and goodwill of $0.4 million) related to one parcel of real estate and two restaurants. 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 less than $0.1 million and $3.3 million for the quarter and year-to-date periods ended June 25, 2025, respectively. The impairment charge for the quarter related to an operating lease right-of-use asset. The $3.3 million charge for the year-to-date period ended June 25, 2025 included $2.0 million related to franchise agreements for closed units. Additionally, $0.4 million of property and $0.9 million of operating lease right-of-use assets were impaired related to the relocation of certain support functions. Restructuring charges and exit costs consisted of the following:   Quarter Ended Two Quarters Ended   June 25, 2025 June 26, 2024 June 25, 2025 June 26, 2024   (In thousands) Exit costs $ 9  $ 49  $ 49  $ 91  Severance and other restructuring charges 1,217  371  3,614  527  Total restructuring charges and exit costs $ 1,226  $ 420  $ 3,663  $ 618  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 and year-to-date periods ended June 25, 2025 primarily consisted of severance costs resulting from the elimination of 26 positions during the quarter and 66 positions year-to-date, as part of a cost savings initiative. As of June 25, 2025 and December 25, 2024, we had accrued severance and other restructuring charges of $2.0 million and $0.3 million, respectively. The balance as of June 25, 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

v3.25.2

Share-Based Compensation	6 Months Ended
	Jun. 25, 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 Two Quarters Ended   June 25, 2025 June 26, 2024 June 25, 2025 June 26, 2024   (In thousands) Employee share awards $ 2,772  $ 2,409  $ 5,324  $ 4,980  Restricted stock units for board members 210  215  443  420  Total share-based compensation $ 2,982  $ 2,624  $ 5,767  $ 5,400  Employee Share Awards During the year-to-date period ended June 25, 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 year-to-date period ended June 25, 2025, we also granted certain employees 1.4 million restricted stock units ("RSUs") with a weighted average grant date fair value of $6.08 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 year-to-date period ended June 25, 2025, we issued 0.3 million shares of common stock related to vested PSUs and RSUs for employees. In addition, 0.2 million shares of common stock were withheld in lieu of taxes related to vested PSUs and RSUs.   As of June 25, 2025, we had $19.2 million of unrecognized compensation cost related to unvested PSU awards and RSU awards outstanding, which have a weighted average remaining contractual term of 2.0 years. Restricted Stock Units for Board Members During the quarter and year-to-date periods ended June 25, 2025, we granted 0.2 million RSUs (which are equity classified) with a weighted average grant date fair value of $4.44 per unit to non-employee members of our Board of Directors. The RSUs vest after a one-year service period. A director may elect to convert these awards to shares of common stock either on a specific date in the future (while still serving as a member of our Board of Directors), upon termination as a member of our Board of Directors, or in three equal annual installments commencing after termination of service as a member of our Board of Directors. During the quarter and year-to-date periods ended June 25, 2025, 0.2 million RSUs were converted into shares of common stock and fewer than 0.1 million RSUs were converted to cash. As of June 25, 2025, we had $0.6 million of unrecognized compensation cost related to unvested RSU awards outstanding, which have a weighted average remaining contractual term of 0.9 years.

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v3.25.2

Income Taxes	6 Months Ended
	Jun. 25, 2025
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The effective income tax rate was 34.3% for the quarter and 36.2% for the year-to-date period ended June 25, 2025, compared to 25.1% and 24.8% for the prior year periods, respectively. The effective income tax rate for the quarter and year-to-date periods ended June 25, 2025 included discrete items relating to share-based compensation of 9.0% and 11.5%, respectively. We did not have similar discrete items for the quarter and year-to-date periods ended June 26, 2024. On July 4, 2025, H.R. 1, the budget bill known as the One Big Beautiful Bill Act ("OBBBA") was enacted. The OBBBA includes significant provisions, such as the permanent extension of certain expiring provisions of the Tax Cuts and Jobs Act, modifications to the international tax framework, and the restoration of favorable tax treatment for certain business provisions. The legislation has multiple effective dates, with certain provisions effective in 2025 and others implemented through 2027. We are currently assessing its impact on our consolidated financial statements.

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v3.25.2

Net Income Per Share	6 Months Ended
	Jun. 25, 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 Two Quarters Ended   June 25, 2025 June 26, 2024 June 25, 2025 June 26, 2024   (In thousands, except per share amounts) Net income $ 2,470  $ 3,568  $ 2,796  $ 8,259  Weighted average shares outstanding - basic 52,059  52,689  52,191  52,879  Effect of dilutive share-based compensation awards 72  98  103  123  Weighted average shares outstanding - diluted 52,131  52,787  52,294  53,002  Net income per share - basic $ 0.05  $ 0.07  $ 0.05  $ 0.16  Net income per share - diluted $ 0.05  $ 0.07  $ 0.05  $ 0.16  Anti-dilutive share-based compensation awards 1,133  686  1,225  828

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v3.25.2

Shareholders' Deficit	6 Months Ended
	Jun. 25, 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 year-to-date period ended June 25, 2025, we repurchased a total of 0.4 million shares of our common stock for $1.6 million, including excise taxes. This brings the total amount repurchased under the current authorization to $162.4 million, including excise taxes, leaving $87.6 million that can be used to repurchase our common stock under this authorization as of June 25, 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 June 25, 2025, 0.4 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) 21  —  21  Settlement loss recognized (1) 1  —  1  Changes in the fair value of cash flow hedges —  (7,182) (7,182) Reclassification of cash flow hedges to interest expense, net (2) —  (1,915) (1,915) Amortization of unrealized losses related to interest rate swaps to interest expense, net —  1,138  1,138  Income tax expense related to items of other comprehensive income (loss) (5) 2,006  2,001  Balance as of June 25, 2025 $ (192) $ (37,783) $ (37,975) (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 June 25, 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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v3.25.2

Commitments and Contingencies	6 Months Ended
	Jun. 25, 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

v3.25.2

Supplemental Cash Flow Information	6 Months Ended
	Jun. 25, 2025
Supplemental Cash Flow Information [Abstract]
Supplemental Cash Flow Information	Supplemental Cash Flow Information   Two Quarters Ended   June 25, 2025 June 26, 2024   (In thousands) Income taxes paid, net $ 2,250  $ 3,668  Interest paid $ 8,411  $ 8,185  Noncash investing and financing activities:     Restaurant acquisition payable $ 300  $ —  Accrued purchase of property $ 549  $ 229  Issuance of common stock, pursuant to share-based compensation plans $ 2,385  $ 3,793  Execution of finance leases $ 191  $ 119  Treasury stock payable $ —  $ 137  Treasury stock excise tax payable $ —  $ 511  Receivables included in acquisition of restaurants $ 224  $ —

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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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v3.25.2

Segment Information	6 Months Ended
	Jun. 25, 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 June 25, 2025 Two Quarters Ended June 25, 2025 Denny's Other Total Denny's Other Total Revenues (In thousands) (In thousands) Company restaurant sales $ 48,474  $ 9,921  $ 58,395  $ 94,180  $ 18,115  $ 112,295  Franchise and license revenue: Royalties 27,912  1,179  29,091  54,504  2,424  56,928  Advertising revenue 19,047  443  19,490  37,667  896  38,563  Initial and other fees 2,742  62  2,804  5,471  207  5,678  Occupancy revenue 7,844  33  7,877  15,764  66  15,830  Total franchise and license revenue 57,545  1,717  59,262  113,406  3,593  116,999  Total operating revenue 106,019  11,638  117,657  207,586  21,708  229,294  Cost and expenses Costs of company restaurant sales, excluding depreciation and amortization: Product costs 12,301  2,785  15,086  24,020  5,277  29,297  Payroll and benefits 17,971  3,898  21,869  35,664  7,301  42,965  Occupancy costs 3,909  1,272  5,181  7,906  2,334  10,240  Other operating expenses: Utilities 1,516  313  1,829  2,975  548  3,523  Repairs and maintenance 742  105  847  1,506  177  1,683  Marketing 2,085  301  2,386  3,898  516  4,414  Legal settlements 382  9  391  807  (11) 796  Pre-opening costs —  645  645  —  1,354  1,354  Other direct costs 3,258  853  4,111  6,568  1,530  8,098  Total costs of company restaurant sales, excluding depreciation and amortization 42,164  10,181  52,345  83,344  19,026  102,370  Costs of franchise and license revenue, excluding depreciation and amortization: Advertising costs 19,047  443  19,490  37,667  896  38,563  Occupancy costs 4,839  33  4,872  9,739  66  9,805  Other direct costs 4,580  275  4,855  8,520  683  9,203  Total costs of franchise and license revenue, excluding depreciation and amortization 28,466  751  29,217  55,926  1,645  57,571  Total restaurant-level operating margin 35,389  706  36,095  68,316  1,037  69,353  Reconciliation of restaurant-level operating margin to net income General and administrative expenses 21,445  41,475  Depreciation and amortization 4,378  8,485  Operating (gains), losses and other charges, net 1,700  5,611  Total other operating expenses 27,523  55,571  Operating income 8,572  13,782  Interest expense, net 5,374  9,802  Other nonoperating income, net (563) (401) Income before income taxes 3,761  4,381  Provision for income taxes 1,291  1,585  Net income $ 2,470  $ 2,796  Quarter Ended June 26, 2024 Two Quarters Ended June 26, 2024 Denny's Other Total Denny's Other Total Revenues (In thousands) (In thousands) Company restaurant sales $ 49,557  $ 4,791  $ 54,348  $ 97,724  $ 8,966  $ 106,690  Franchise and license revenue: Royalties 28,781  1,233  30,014  56,830  2,490  59,320  Advertising revenue 20,339  449  20,788  38,019  907  38,926  Initial and other fees 2,369  79  2,448  4,112  152  4,264  Occupancy revenue 8,306  23  8,329  16,678  23  16,701  Total franchise and license revenue 59,795  1,784  61,579  115,639  3,572  119,211  Total operating revenue 109,352  6,575  115,927  213,363  12,538  225,901  Cost and expenses Costs of company restaurant sales, excluding depreciation and amortization: Product costs 12,340  1,292  13,632  24,544  2,399  26,943  Payroll and benefits 18,374  2,119  20,493  37,031  3,936  40,967  Occupancy costs 4,031  640  4,671  8,044  1,200  9,244  Other operating expenses: Utilities 1,550  145  1,695  3,097  253  3,350  Repairs and maintenance 947  61  1,008  1,924  89  2,013  Marketing 1,758  118  1,876  3,239  241  3,480  Legal settlements 197  11  208  1,646  11  1,657  Pre-opening costs —  191  191  —  557  557  Other direct costs 3,418  386  3,804  6,648  837  7,485  Total costs of company restaurant sales, excluding depreciation and amortization 42,615  4,963  47,578  86,173  9,523  95,696  Costs of franchise and license revenue, excluding depreciation and amortization: Advertising costs 20,339  449  20,788  38,019  907  38,926  Occupancy costs 5,072  22  5,094  10,204  22  10,226  Other direct costs 7,251  295  7,546  11,232  418  11,650  Total costs of franchise and license revenue, excluding depreciation and amortization 32,662  766  33,428  59,455  1,347  60,802  Total restaurant-level operating margin 34,075  846  34,921  67,735  1,668  69,403  Reconciliation of restaurant-level operating margin to net income General and administrative expenses 20,486  41,708  Depreciation and amortization 3,735  7,316  Goodwill impairment charges 20  20  Operating (gains), losses and other charges, net 1,565  1,238  Total other operating expenses 25,806  50,282  Operating income 9,115  19,121  Interest expense, net 4,573  8,993  Other nonoperating income, net (224) (861) Income before income taxes 4,766  10,989  Provision for income taxes 1,198  2,730  Net income $ 3,568  $ 8,259  June 25, 2025 December 25, 2024 Segment assets: (In thousands) Denny’s $ 325,492  $ 344,986  Other 165,658  151,288  Total assets $ 491,150  $ 496,274

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v3.25.2

Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024
Pay vs Performance Disclosure
Net income	$ 2,470	$ 3,568	$ 2,796	$ 8,259

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Standards Codification -Section 45 -Paragraph 28 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 46: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-1A Reference 47: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-1B Reference 48: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 65 -Paragraph 4 -Subparagraph (f)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481538/470-20-65-4 Reference 49: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details Name: us-gaap_NetIncomeLoss Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: duration

v3.25.2

Insider Trading Arrangements	3 Months Ended
	Jun. 25, 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

X

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v3.25.2

Summary of Significant Accounting Policies (Policies)	6 Months Ended
	Jun. 25, 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.
Accounting Standards to be Adopted	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.

X

- 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 Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483426/235-10-50-4 + Details Name: us-gaap_BasisOfAccountingPolicyPolicyTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

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- Definition Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact. + References No definition available. + Details Name: us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

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- Definition Disclosure of accounting policy for reclassification affecting comparability of financial statement. Excludes amendment to accounting standards, other change in accounting principle, and correction of error. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 205 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483504/205-10-50-1 + Details Name: us-gaap_PriorPeriodReclassificationAdjustmentDescription Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.2

Receivables (Tables)	6 Months Ended
	Jun. 25, 2025
Receivables [Abstract]
Schedule of Receivables	Receivables consisted of the following:   June 25, 2025 December 25, 2024   (In thousands) Receivables, net:     Trade accounts receivable from franchisees $ 13,564  $ 15,798  Notes and loan receivables from franchisees 417  490  Vendor receivables 1,703  3,632  Credit card receivables 822  1,815  Other 2,870  3,140  Allowance for credit losses (302) (442) Total receivables, net $ 19,074  $ 24,433

X

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

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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

v3.25.2

Goodwill and Intangible Assets (Tables)	6 Months Ended
	Jun. 25, 2025
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Goodwill by Segment	The following table reflects the changes in carrying amounts of goodwill and goodwill by segment: June 25, 2025 (In thousands) Balance, beginning of year $ 66,357  Additions related to the acquisition of five Keke’s franchise units 2,157  Additions related to the acquisition of a Denny’s franchise unit 404  Write-offs and reclassifications associated with the sale of Keke's units (392) Balance, end of period $ 68,526  Goodwill by segment consisted of the following: June 25, 2025 December 25, 2024 (In thousands) Denny’s $ 37,911  $ 37,507  Other 30,615  28,850  Total goodwill $ 68,526  $ 66,357
Schedule of Indefinite-Lived Intangible Assets	Intangible assets consisted of the following:   June 25, 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 9,722  6,599  9,135  6,188  Franchise agreements 8,217  1,517  10,603  1,618  Intangible assets, net $ 97,746  $ 8,116  $ 99,545  $ 7,806
Schedule of Finite-Lived Intangible Assets	Intangible assets consisted of the following:   June 25, 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 9,722  6,599  9,135  6,188  Franchise agreements 8,217  1,517  10,603  1,618  Intangible assets, net $ 97,746  $ 8,116  $ 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 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -SubTopic 30 -Topic 350 -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 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -SubTopic 30 -Topic 350 -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

v3.25.2

Other Current Liabilities (Tables)	6 Months Ended
	Jun. 25, 2025
Other Liabilities, Current [Abstract]
Schedule of Other Current Liabilities	Other current liabilities consisted of the following:   June 25, 2025 December 25, 2024   (In thousands) Accrued payroll $ 14,516  $ 15,434  Current portion of liability for insurance claims 4,433  4,494  Accrued taxes 4,808  4,432  Accrued advertising 6,686  11,785  Gift cards 6,786  8,382  Accrued legal settlements 3,859  4,114  Accrued interest 4,402  4,368  Other 8,211  5,833  Other current liabilities $ 53,701  $ 58,842

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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

v3.25.2

Fair Value of Financial Instruments (Tables)	6 Months Ended
	Jun. 25, 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 June 25, 2025: Deferred compensation plan investments (1) $ 10,227  $ 10,227  $ —  $ —  Interest rate swaps (2) 11,745  —  11,745  —  Total $ 21,972  $ 10,227  $ 11,745  $ —  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 June 25, 2025: Assets held and used(1)(2) $ —  $ 49  (1) As of June 25, 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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- 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

v3.25.2

Long-Term Debt (Tables)	6 Months Ended
	Jun. 25, 2025
Debt Disclosure [Abstract]
Schedule of Interest Rate Swaps	A summary of our interest rate swaps designated as cash flow hedges as of June 25, 2025 is as follows: Trade Date Effective Date Maturity Date Notional Amount Fair Value Fixed Rate (In thousands) October 1, 2015 March 29, 2018 March 31, 2026 $ 50,000  $ 614  2.37  % February 15, 2018 March 31, 2020 December 31, 2033 $ 189,000  (1) $ 11,131  3.09  % Total $ 239,000  $ 11,745  (1)     The notional amounts of the swaps entered into on February 15, 2018 increase periodically until they reach the maximum notional amount of $335 million on August 31, 2033.

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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 No definition available. + Details Name: us-gaap_ScheduleOfDerivativeInstrumentsTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.2

Revenues (Tables)	6 Months Ended
	Jun. 25, 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 Two Quarters Ended   June 25, 2025 June 26, 2024 June 25, 2025 June 26, 2024   (In thousands) Company restaurant sales $ 58,395  $ 54,348  $ 112,295  $ 106,690  Franchise and license revenue: Royalties 29,091  30,014  56,928  59,320  Advertising revenue 19,490  20,788  38,563  38,926  Initial and other fees 2,804  2,448  5,678  4,264  Occupancy revenue  7,877  8,329  15,830  16,701  Franchise and license revenue  59,262  61,579  116,999  119,211  Total operating revenue $ 117,657  $ 115,927  $ 229,294  $ 225,901
Schedule of Components of Lease Income	Franchise occupancy revenue consisted of the following:   Quarter Ended Two Quarters Ended   June 25, 2025 June 26, 2024 June 25, 2025 June 26, 2024   (In thousands) Operating lease revenue $ 5,848  $ 6,071  $ 11,834  $ 12,199  Variable lease revenue 2,029  2,258  3,996  4,502  Total occupancy revenue $ 7,877  $ 8,329  $ 15,830  $ 16,701
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 589  Revenue recognized (1) (1,654) Balance, June 25, 2025 15,903  Less current portion included in other current liabilities 1,985  Deferred franchise revenue included in other noncurrent liabilities $ 13,918  (1)    Of this amount $1.4 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 4,604  Contract asset amortization (712) Balance, June 25, 2025 10,598  Less current portion included in other current assets 1,264  Contract assets included in other noncurrent assets $ 9,334
Schedule of Deferred Franchise Revenue Recognition	As of June 25, 2025, deferred franchise revenue, net of contract asset amortization, expected to be recognized in the future is as follows: (In thousands) Remainder of 2025 $ 301  2026 833  2027 808  2028 687  2029 589  Thereafter 2,087  Deferred franchise revenue, net $ 5,305

X

- 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

X

- 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

X

- 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

X

- 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

v3.25.2

Operating (Gains), Losses and Other Charges, Net (Tables)	6 Months Ended
	Jun. 25, 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 Two Quarters Ended   June 25, 2025 June 26, 2024 June 25, 2025 June 26, 2024   (In thousands) (Gains) losses on sales of assets and other, net $ 425  $ 526  $ (1,317) $ (94) Impairment charges 49  619  3,265  714  Restructuring charges and exit costs 1,226  420  3,663  618  Operating (gains), losses and other charges, net $ 1,700  $ 1,565  $ 5,611  $ 1,238
Schedule of Restructuring Charges and Exit Costs	Restructuring charges and exit costs consisted of the following:   Quarter Ended Two Quarters Ended   June 25, 2025 June 26, 2024 June 25, 2025 June 26, 2024   (In thousands) Exit costs $ 9  $ 49  $ 49  $ 91  Severance and other restructuring charges 1,217  371  3,614  527  Total restructuring charges and exit costs $ 1,226  $ 420  $ 3,663  $ 618

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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

v3.25.2

Share-Based Compensation (Tables)	6 Months Ended
	Jun. 25, 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 Two Quarters Ended   June 25, 2025 June 26, 2024 June 25, 2025 June 26, 2024   (In thousands) Employee share awards $ 2,772  $ 2,409  $ 5,324  $ 4,980  Restricted stock units for board members 210  215  443  420  Total share-based compensation $ 2,982  $ 2,624  $ 5,767  $ 5,400

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

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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

v3.25.2

Net Income Per Share (Tables)	6 Months Ended
	Jun. 25, 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 Two Quarters Ended   June 25, 2025 June 26, 2024 June 25, 2025 June 26, 2024   (In thousands, except per share amounts) Net income $ 2,470  $ 3,568  $ 2,796  $ 8,259  Weighted average shares outstanding - basic 52,059  52,689  52,191  52,879  Effect of dilutive share-based compensation awards 72  98  103  123  Weighted average shares outstanding - diluted 52,131  52,787  52,294  53,002  Net income per share - basic $ 0.05  $ 0.07  $ 0.05  $ 0.16  Net income per share - diluted $ 0.05  $ 0.07  $ 0.05  $ 0.16  Anti-dilutive share-based compensation awards 1,133  686  1,225  828

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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

v3.25.2

Shareholders' Deficit (Tables)	6 Months Ended
	Jun. 25, 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) 21  —  21  Settlement loss recognized (1) 1  —  1  Changes in the fair value of cash flow hedges —  (7,182) (7,182) Reclassification of cash flow hedges to interest expense, net (2) —  (1,915) (1,915) Amortization of unrealized losses related to interest rate swaps to interest expense, net —  1,138  1,138  Income tax expense related to items of other comprehensive income (loss) (5) 2,006  2,001  Balance as of June 25, 2025 $ (192) $ (37,783) $ (37,975) (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 June 25, 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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- References No definition available. + Details Name: us-gaap_EquityAbstract 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 accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20 + Details Name: us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock Namespace Prefix: us-gaap_ Data Type: dtr-types:textBlockItemType Balance Type: na Period Type: duration

v3.25.2

Supplemental Cash Flow Information (Tables)	6 Months Ended
	Jun. 25, 2025
Supplemental Cash Flow Information [Abstract]
Schedule of Supplemental Cash Flow Information	Two Quarters Ended   June 25, 2025 June 26, 2024   (In thousands) Income taxes paid, net $ 2,250  $ 3,668  Interest paid $ 8,411  $ 8,185  Noncash investing and financing activities:     Restaurant acquisition payable $ 300  $ —  Accrued purchase of property $ 549  $ 229  Issuance of common stock, pursuant to share-based compensation plans $ 2,385  $ 3,793  Execution of finance leases $ 191  $ 119  Treasury stock payable $ —  $ 137  Treasury stock excise tax payable $ —  $ 511  Receivables included in acquisition of restaurants $ 224  $ —

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details Name: us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock 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_SupplementalCashFlowInformationAbstract Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

v3.25.2

Segment Information (Tables)	6 Months Ended
	Jun. 25, 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 June 25, 2025 Two Quarters Ended June 25, 2025 Denny's Other Total Denny's Other Total Revenues (In thousands) (In thousands) Company restaurant sales $ 48,474  $ 9,921  $ 58,395  $ 94,180  $ 18,115  $ 112,295  Franchise and license revenue: Royalties 27,912  1,179  29,091  54,504  2,424  56,928  Advertising revenue 19,047  443  19,490  37,667  896  38,563  Initial and other fees 2,742  62  2,804  5,471  207  5,678  Occupancy revenue 7,844  33  7,877  15,764  66  15,830  Total franchise and license revenue 57,545  1,717  59,262  113,406  3,593  116,999  Total operating revenue 106,019  11,638  117,657  207,586  21,708  229,294  Cost and expenses Costs of company restaurant sales, excluding depreciation and amortization: Product costs 12,301  2,785  15,086  24,020  5,277  29,297  Payroll and benefits 17,971  3,898  21,869  35,664  7,301  42,965  Occupancy costs 3,909  1,272  5,181  7,906  2,334  10,240  Other operating expenses: Utilities 1,516  313  1,829  2,975  548  3,523  Repairs and maintenance 742  105  847  1,506  177  1,683  Marketing 2,085  301  2,386  3,898  516  4,414  Legal settlements 382  9  391  807  (11) 796  Pre-opening costs —  645  645  —  1,354  1,354  Other direct costs 3,258  853  4,111  6,568  1,530  8,098  Total costs of company restaurant sales, excluding depreciation and amortization 42,164  10,181  52,345  83,344  19,026  102,370  Costs of franchise and license revenue, excluding depreciation and amortization: Advertising costs 19,047  443  19,490  37,667  896  38,563  Occupancy costs 4,839  33  4,872  9,739  66  9,805  Other direct costs 4,580  275  4,855  8,520  683  9,203  Total costs of franchise and license revenue, excluding depreciation and amortization 28,466  751  29,217  55,926  1,645  57,571  Total restaurant-level operating margin 35,389  706  36,095  68,316  1,037  69,353  Reconciliation of restaurant-level operating margin to net income General and administrative expenses 21,445  41,475  Depreciation and amortization 4,378  8,485  Operating (gains), losses and other charges, net 1,700  5,611  Total other operating expenses 27,523  55,571  Operating income 8,572  13,782  Interest expense, net 5,374  9,802  Other nonoperating income, net (563) (401) Income before income taxes 3,761  4,381  Provision for income taxes 1,291  1,585  Net income $ 2,470  $ 2,796  Quarter Ended June 26, 2024 Two Quarters Ended June 26, 2024 Denny's Other Total Denny's Other Total Revenues (In thousands) (In thousands) Company restaurant sales $ 49,557  $ 4,791  $ 54,348  $ 97,724  $ 8,966  $ 106,690  Franchise and license revenue: Royalties 28,781  1,233  30,014  56,830  2,490  59,320  Advertising revenue 20,339  449  20,788  38,019  907  38,926  Initial and other fees 2,369  79  2,448  4,112  152  4,264  Occupancy revenue 8,306  23  8,329  16,678  23  16,701  Total franchise and license revenue 59,795  1,784  61,579  115,639  3,572  119,211  Total operating revenue 109,352  6,575  115,927  213,363  12,538  225,901  Cost and expenses Costs of company restaurant sales, excluding depreciation and amortization: Product costs 12,340  1,292  13,632  24,544  2,399  26,943  Payroll and benefits 18,374  2,119  20,493  37,031  3,936  40,967  Occupancy costs 4,031  640  4,671  8,044  1,200  9,244  Other operating expenses: Utilities 1,550  145  1,695  3,097  253  3,350  Repairs and maintenance 947  61  1,008  1,924  89  2,013  Marketing 1,758  118  1,876  3,239  241  3,480  Legal settlements 197  11  208  1,646  11  1,657  Pre-opening costs —  191  191  —  557  557  Other direct costs 3,418  386  3,804  6,648  837  7,485  Total costs of company restaurant sales, excluding depreciation and amortization 42,615  4,963  47,578  86,173  9,523  95,696  Costs of franchise and license revenue, excluding depreciation and amortization: Advertising costs 20,339  449  20,788  38,019  907  38,926  Occupancy costs 5,072  22  5,094  10,204  22  10,226  Other direct costs 7,251  295  7,546  11,232  418  11,650  Total costs of franchise and license revenue, excluding depreciation and amortization 32,662  766  33,428  59,455  1,347  60,802  Total restaurant-level operating margin 34,075  846  34,921  67,735  1,668  69,403  Reconciliation of restaurant-level operating margin to net income General and administrative expenses 20,486  41,708  Depreciation and amortization 3,735  7,316  Goodwill impairment charges 20  20  Operating (gains), losses and other charges, net 1,565  1,238  Total other operating expenses 25,806  50,282  Operating income 9,115  19,121  Interest expense, net 4,573  8,993  Other nonoperating income, net (224) (861) Income before income taxes 4,766  10,989  Provision for income taxes 1,198  2,730  Net income $ 3,568  $ 8,259  June 25, 2025 December 25, 2024 Segment assets: (In thousands) Denny’s $ 325,492  $ 344,986  Other 165,658  151,288  Total assets $ 491,150  $ 496,274

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

v3.25.2

Introduction and Basis of Presentation (Details)	Jun. 25, 2025 restaurant
Franchisor Disclosure [Line Items]
Number of restaurants	1,558
Denny's Brand
Franchisor Disclosure [Line Items]
Number of restaurants	1,484
Keke's
Franchisor Disclosure [Line Items]
Number of restaurants	74
Franchised/licensed Restaurants
Franchisor Disclosure [Line Items]
Number of restaurants	1,474
Franchised/licensed Restaurants | Denny's Brand
Franchisor Disclosure [Line Items]
Number of restaurants	1,422
Franchised/licensed Restaurants | Keke's
Franchisor Disclosure [Line Items]
Number of restaurants	52
Company Restaurants
Franchisor Disclosure [Line Items]
Number of restaurants	84
Company Restaurants | Denny's Brand
Franchisor Disclosure [Line Items]
Number of restaurants	62
Company Restaurants | Keke's
Franchisor Disclosure [Line Items]
Number of restaurants	22

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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_FranchisorDisclosureLineItems Namespace Prefix: us-gaap_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Definition Represents the number of restaurants. + References No definition available. + Details Name: us-gaap_NumberOfRestaurants Namespace Prefix: us-gaap_ Data Type: xbrli:integerItemType Balance Type: na Period Type: instant

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- Details Name: dei_LegalEntityAxis=denn_DennysBrandMember Namespace Prefix: Data Type: na Balance Type: Period Type:

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- Details Name: dei_LegalEntityAxis=denn_KekesBreakfastCafeMember Namespace Prefix: Data Type: na Balance Type: Period Type:

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- Details Name: us-gaap_FranchisorDisclosureAxis=us-gaap_FranchisedUnitsMember Namespace Prefix: Data Type: na Balance Type: Period Type:

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- Details Name: us-gaap_FranchisorDisclosureAxis=us-gaap_EntityOperatedUnitsMember Namespace Prefix: Data Type: na Balance Type: Period Type:

v3.25.2

Receivables - Schedule of Receivables, Net (Details) - USD ($) $ in Thousands	Jun. 25, 2025	Dec. 25, 2024
Receivables, net:
Trade accounts receivable from franchisees	$ 13,564	$ 15,798
Notes and loan receivables from franchisees	417	490
Allowance for credit losses	(302)	(442)
Total receivables, net	19,074	24,433
Vendor receivables
Receivables, net:
Other receivables, gross, current	1,703	3,632
Credit card receivables
Receivables, net:
Other receivables, gross, current	822	1,815
Other
Receivables, net:
Other receivables, gross, current	$ 2,870	$ 3,140

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- Definition Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483467/210-10-45-1 + Details Name: us-gaap_AccountsReceivableGrossCurrent Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: instant

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- Definition Amount of allowance for credit loss on accounts receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-4 + Details Name: us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: instant

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v3.25.2

Goodwill and Intangible Assets - Schedule of Goodwill (Details) $ in Thousands	6 Months Ended
	Jun. 25, 2025 USD ($)
Goodwill [Roll Forward]
Balance, beginning of year	$ 66,357
Write-offs and reclassifications associated with the sale of Keke's units	(392)
Balance, end of period	68,526
Total goodwill	68,526
Denny’s
Goodwill [Roll Forward]
Balance, beginning of year	37,507
Balance, end of period	37,911
Total goodwill	37,911
Other
Goodwill [Roll Forward]
Balance, beginning of year	28,850
Balance, end of period	30,615
Total goodwill	30,615
Keke's
Goodwill [Roll Forward]
Addition related to the acquisition	2,157
Franchise Unit
Goodwill [Roll Forward]
Addition related to the acquisition	$ 404

X

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X

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X

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v3.25.2

Goodwill and Intangible Assets - Schedule of Finite-Lived and Indefinite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 25, 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	8,116	7,806
Intangible assets, net	97,746	99,545
Reacquired franchise rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	9,722	9,135
Accumulated Amortization	6,599	6,188
Franchise agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,217	10,603
Accumulated Amortization	$ 1,517	$ 1,618

X

- Definition Intangible Assets [Abstract] + References No definition available. + Details Name: denn_IntangibleAssetsAbstract Namespace Prefix: denn_ Data Type: xbrli:stringItemType Balance Type: na Period Type: duration

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- Definition Amount before accumulated amortization of intangible assets, excluding goodwill. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(15)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details Name: us-gaap_IntangibleAssetsGrossExcludingGoodwill Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: instant

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v3.25.2

Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense for intangible assets	$ 0.4	$ 0.4	$ 0.7	$ 0.8

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. + 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 220 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476153/220-40-55-18 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476153/220-40-55-11 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476153/220-40-55-24 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-12 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Name Accounting Standards Codification -Section 55 -Paragraph 40 -SubTopic 30 -Topic 350 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 7: 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 8: 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 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-6 + Details Name: us-gaap_AmortizationOfIntangibleAssets Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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v3.25.2

Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 25, 2025	Dec. 25, 2024
Other Liabilities, Current [Abstract]
Accrued payroll	$ 14,516	$ 15,434
Current portion of liability for insurance claims	4,433	4,494
Accrued taxes	4,808	4,432
Accrued advertising	6,686	11,785
Gift cards	6,786	8,382
Accrued legal settlements	3,859	4,114
Accrued interest	4,402	4,368
Other	8,211	5,833
Other current liabilities	$ 53,701	$ 58,842

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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 obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees. 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_AccruedInsuranceCurrent Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: instant

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- Definition Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. 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_EmployeeRelatedLiabilitiesCurrent 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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- Definition Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are due within one year or operating cycle, if longer, from the balance sheet date. + 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 -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 45 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481573/470-10-45-10 + Details Name: us-gaap_OtherSundryLiabilitiesCurrent 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 obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. 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 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(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details Name: us-gaap_TaxesPayableCurrent Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: instant

v3.25.2

Fair Value of Financial Instruments - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Recurring - USD ($) $ in Thousands	Jun. 25, 2025	Dec. 25, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan investments	$ 10,227	$ 10,400
Interest rate swaps	11,745	20,841
Investments		1,106
Total	21,972	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	10,227	10,400
Interest rate swaps	0	0
Investments		0
Total	10,227	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	11,745	20,841
Investments		1,106
Total	11,745	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
Total	$ 0	$ 0

X

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v3.25.2

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		6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets held and used, impairment charges	$ 49	$ 619	$ 3,265	$ 714
Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets held and used, impairment charges	49
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	$ 0		$ 0

X

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v3.25.2

Fair Value of Financial Instruments - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024
Fair Value Disclosures [Abstract]
Impairment charges	$ 49	$ 619	$ 3,265	$ 714

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://www.xbrl.org/2003/role/exampleRef -Topic 942 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480095/942-10-S50-1 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 942 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480035/942-10-S99-6 Reference 4: 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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v3.25.2

Long-Term Debt - Narrative (Details)	3 Months Ended		6 Months Ended
	Jun. 25, 2025 USD ($)	Jun. 26, 2024 USD ($)	Jun. 25, 2025 USD ($)	Jun. 26, 2024 USD ($)	Mar. 26, 2025 USD ($)	Dec. 25, 2024 USD ($)	Mar. 27, 2024 USD ($)	Dec. 27, 2023 USD ($)
Line of Credit Facility [Line Items]
Total shareholders' deficit	$ (34,579,000)	$ (53,243,000)	$ (34,579,000)	$ (53,243,000)	$ (36,420,000)	$ (34,025,000)	$ (55,744,000)	$ (62,686,000)
Derivatives
Line of Credit Facility [Line Items]
Reclassification			(1,915,000)
Total shareholders' deficit	(37,783,000)		(37,783,000)			$ (31,830,000)
Amortization of unrealized losses related to interest rate swaps to interest expense, net
Line of Credit Facility [Line Items]
Reclassification			1,138,000
Effective Interest Rate Swaps
Line of Credit Facility [Line Items]
Derivative asset	11,700,000		11,700,000
Reclassification			1,900,000
Expected reclassification within next twelve months			3,600,000
Dedesignated Interest Rate Swaps | Derivatives
Line of Credit Facility [Line Items]
Total shareholders' deficit	62,300,000		62,300,000
Dedesignated Interest Rate Swaps | Amortization of unrealized losses related to interest rate swaps to interest expense, net
Line of Credit Facility [Line Items]
Reclassification	900,000	$ 200,000	1,100,000	$ 300,000
Expected reclassification within next twelve months			$ 4,200,000
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		$ 400,000,000
Line of credit facility, accordion feature, increase limit	$ 450,000,000		$ 450,000,000
Line of credit facility, covenant, minimum, fixed charge leverage ratio	4.0		4.0
Fixed charge coverage ratio	1.5		1.5
Consolidated leverage ratio	3.98		3.98
Consolidated fixed charge coverage ratio	2.05		2.05
Outstanding amount under credit facility	$ 268,600,000		$ 268,600,000
Availability under the credit facility	$ 115,500,000		$ 115,500,000
Basis spread on variable rate debt (as a percent)			2.25%
Commitment fee, percent			0.35%
Weighted-average interest rate	6.67%		6.67%			6.98%
Senior Secured Revolver | Interest Rate Swap
Line of Credit Facility [Line Items]
Weighted-average interest rate	5.36%		5.36%			5.01%
Letter of Credit
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity	$ 25,000,000		$ 25,000,000
Outstanding amount of letters of credit	$ 15,900,000		$ 15,900,000
Interest rate	2.38%		2.38%

X

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v3.25.2

Long-Term Debt - Schedule of Interest Rate Swaps (Details)	Jun. 25, 2025 USD ($)
Derivative [Line Items]
Notional Amount	$ 239,000,000
Fair Value	11,745,000
Interest Rate Swap 2018-2026
Derivative [Line Items]
Notional Amount	50,000,000
Fair Value	$ 614,000
Fixed Rate	2.37%
Interest Rate Swap 2020-2033
Derivative [Line Items]
Notional Amount	$ 189,000,000
Fair Value	$ 11,131,000
Fixed Rate	3.09%
Interest Rate Swap 2020-2033 | Maximum
Derivative [Line Items]
Notional Amount	$ 335,000,000

X

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v3.25.2

Revenues - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024
Disaggregation of Revenue [Line Items]
Total operating revenue	$ 117,657	$ 115,927	$ 229,294	$ 225,901
Company restaurant sales
Disaggregation of Revenue [Line Items]
Total operating revenue	58,395	54,348	112,295	106,690
Royalties
Disaggregation of Revenue [Line Items]
Total operating revenue	29,091	30,014	56,928	59,320
Advertising revenue
Disaggregation of Revenue [Line Items]
Total operating revenue	19,490	20,788	38,563	38,926
Initial and other fees
Disaggregation of Revenue [Line Items]
Total operating revenue	2,804	2,448	5,678	4,264
Occupancy revenue
Disaggregation of Revenue [Line Items]
Total operating revenue	7,877	8,329	15,830	16,701
Franchise and license revenue
Disaggregation of Revenue [Line Items]
Total operating revenue	$ 59,262	$ 61,579	$ 116,999	$ 119,211

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v3.25.2

Revenues - Schedule of Components of Lease Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024
Revenue from Contract with Customer [Abstract]
Operating lease revenue	$ 5,848	$ 6,071	$ 11,834	$ 12,199
Variable lease revenue	2,029	2,258	3,996	4,502
Total occupancy revenue	$ 7,877	$ 8,329	$ 15,830	$ 16,701

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

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X

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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

v3.25.2

Revenues - Schedule of Components of the Change in Deferred Franchise Revenue (Details) $ in Thousands	6 Months Ended
	Jun. 25, 2025 USD ($)
Movement In Deferred Revenue Roll Forward
Balance, December 25, 2024	$ 16,968
Fees received from franchisees	589
Revenue recognized	(1,654)
Balance, June 25, 2025	15,903
Less current portion included in other current liabilities	1,985
Deferred franchise revenue included in other noncurrent liabilities	13,918
Deferred revenue recognized	$ 1,400

X

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X

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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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X

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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/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 Reference 2: 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 + Details Name: us-gaap_IncreaseDecreaseInContractWithCustomerLiability Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

v3.25.2

Revenues - Schedule of Change In Contract Assets (Details) $ in Thousands	6 Months Ended
	Jun. 25, 2025 USD ($)
Contract with Customer, Asset, Allowance for Credit Loss [Roll Forward]
Balance, December 25, 2024	$ 6,706
Franchisee deferred costs	4,604
Contract asset amortization	(712)
Balance, June 25, 2025	10,598
Less current portion included in other current assets	1,264
Contract assets included in other noncurrent assets	$ 9,334

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 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-11 Reference 2: 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 3: 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 4: 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

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- 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 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-11 Reference 2: 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 3: 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 4: 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 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-11 Reference 2: 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 3: 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 4: 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

v3.25.2

Revenues - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024	Dec. 25, 2024
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue recognized	$ 117,657	$ 115,927	$ 229,294	$ 225,901
Contract with customer	19,074		19,074		$ 24,433
Liability balance	1,985		1,985
Deferred revenue recognized			1,400
Gift Card Redemption
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Liability balance	6,800		6,800		8,400
Deferred revenue recognized			400
Franchise Equipment Programs
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue recognized	400	$ 200	1,000	$ 500
Inventory related to franchise equipment programs	500		500		200
Contract with customer	$ 400		$ 400		$ 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 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-11 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 Reference 4: 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

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- 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

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v3.25.2

Revenues - Schedule of Deferred Revenue (Details) $ in Thousands	Jun. 25, 2025 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred franchise revenue expected to be recognized	$ 5,305
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-06-26
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred franchise revenue expected to be recognized	$ 301
Revenue, remaining performance obligation, expected timing of satisfaction, period	6 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	$ 833
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	$ 808
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	$ 687
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	$ 589
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	$ 2,087
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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v3.25.2

Operating (Gains), Losses and Other Charges, Net - Schedule of Operating Gains Losses and Other Charges, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024
Other Income and Expenses [Abstract]
(Gains) losses on sales of assets and other, net	$ 425	$ 526	$ (1,317)	$ (94)
Impairment charges	49	619	3,265	714
Restructuring charges and exit costs	1,226	420	3,663	618
Operating (gains), losses and other charges, net	$ 1,700	$ 1,565	$ 5,611	$ 1,238

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://www.xbrl.org/2003/role/exampleRef -Topic 942 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480095/942-10-S50-1 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 942 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480035/942-10-S99-6 Reference 4: 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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v3.25.2

Operating (Gains), Losses and Other Charges, Net - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2025 USD ($) position restaurant parcel	Jun. 26, 2024 USD ($)	Jun. 25, 2025 USD ($) restaurant position parcel	Jun. 26, 2024 USD ($)	Dec. 25, 2024 USD ($) parcel
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale	$ 1,096		$ 1,096		$ 381
Number of cafes | restaurant	1,558		1,558
Impairment charges	$ 49	$ 619	$ 3,265	$ 714
Property impairment			400
Operating lease right-of-use asset impairment			$ 900
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	26		66
Severance and other restructuring charges	$ 2,000		$ 2,000		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	1,100		1,100		$ 400
Property held for sale	700		700
Goodwill held for sale	$ 400		$ 400
Number of real estate properties | parcel	1		1		2
Number of cafes | restaurant	2		2

X

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- Definition The number of positions eliminated during the period as a result of restructuring activities. + References No definition available. + Details Name: us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated Namespace Prefix: us-gaap_ Data Type: xbrli:integerItemType Balance Type: na Period Type: duration

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- Definition Liability for amount due employees, in addition to wages and any other money that employers owe employees, when their employment ends through a layoff or other termination. For example, a company may provide involuntarily terminated employees with a lump sum payment equal to one week's salary for every year of employment. + References No definition available. + Details Name: us-gaap_SupplementalUnemploymentBenefitsSeveranceBenefits Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: credit Period Type: instant

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- Definition The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483499/205-20-50-1 + Details Name: us-gaap_TangibleAssetImpairmentCharges Namespace Prefix: us-gaap_ Data Type: xbrli:monetaryItemType Balance Type: debit Period Type: duration

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v3.25.2

Operating (Gains), Losses and Other Charges, Net - Schedule of Restructuring Charges and Exit Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024
Restructuring charges and exit costs [Abstract]
Exit costs	$ 9	$ 49	$ 49	$ 91
Severance and other restructuring charges	1,217	371	3,614	527
Total restructuring charges and exit costs	$ 1,226	$ 420	$ 3,663	$ 618

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

X

- 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/exampleRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476153/220-40-55-18 Reference 3: 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 4: 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 5: 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 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-21 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-6 + 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

v3.25.2

Share-Based Compensation - Schedule of Total Share-based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation	$ 2,982	$ 2,624	$ 5,767	$ 5,400
Certain employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation	2,772	2,409	5,324	4,980
Non-employee members of the board of directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation	$ 210	$ 215	$ 443	$ 420

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 S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479983/718-10-S45-1 Reference 2: 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 3: 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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- Definition Line items represent financial concepts included in a table. 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v3.25.2

Share-Based Compensation - Narrative (Details) $ / shares in Units, shares in Thousands, $ in Millions	6 Months Ended
	Jun. 25, 2025 USD ($) installment $ / shares shares
Certain employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $	$ 19.2
Unrecognized contractual term (in years)	2 years
PSUs, TSR | Certain employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in periods (in shares)	900
Fair value of units granted (in dollars per share) | $ / shares	$ 6.73
Performance Shares | Certain employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period of performance	3 years
Performance Shares | Certain employees | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of target achievement	0.00%
Performance Shares | Certain employees | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of target achievement	150.00%
Restricted Stock Units | Certain employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in periods (in shares)	1,400
Fair value of units granted (in dollars per share) | $ / shares	$ 6.08
Period of performance	3 years
Restricted Stock Units | Non-employee members of the board of directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in periods (in shares)	200
Fair value of units granted (in dollars per share) | $ / shares	$ 4.44
Period of performance	1 year
Unrecognized compensation cost | $	$ 0.6
Unrecognized contractual term (in years)	10 months 24 days
Number of annual installments | installment	3
RSUs converted into shares of common stock (in shares)	200
RSUs converted to cash (in shares)	100
PSUs and RSUs | Certain employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares issued (in shares)	300
Shares paid for tax withholding (in shares)	200

X

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v3.25.2

Income Taxes (Details)	3 Months Ended		6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024
Income Tax Disclosure [Abstract]
Effective tax rate expense (benefit), percent	34.30%	25.10%	36.20%	24.80%
Share-based compensation, percent	9.00%	0.00%	11.50%	0.00%

X

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v3.25.2

Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024
Earnings Per Share [Abstract]
Net income	$ 2,470	$ 3,568	$ 2,796	$ 8,259
Weighted average shares outstanding - basic (in shares)	52,059	52,689	52,191	52,879
Effect of dilutive share-based compensation awards (in shares)	72	98	103	123
Weighted average shares outstanding - diluted (in shares)	52,131	52,787	52,294	53,002
Net income per share - basic (in dollars per share)	$ 0.05	$ 0.07	$ 0.05	$ 0.16
Net income per share - diluted (in dollars per share)	$ 0.05	$ 0.07	$ 0.05	$ 0.16
Anti-dilutive share-based compensation awards (in shares)	1,133	686	1,225	828

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v3.25.2

Shareholders' Deficit - Narrative (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 25, 2025	Dec. 25, 2024	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024	Dec. 25, 2019
Equity, Class of Treasury Stock [Line Items]
Purchase of treasury stock (in shares)				400
Purchase of treasury stock	$ 614		$ 4,702	$ 1,595	$ 9,465
Retirement of shares (in shares)		2,000
Weighted average share price (in dollars per share)		$ 8.78
Treasury stock, at cost (in shares)	398	0		398
Share Repurchase Program 2019
Equity, Class of Treasury Stock [Line Items]
Share repurchase, authorized amount						$ 250,000
Purchase of treasury stock				$ 162,400
Remaining shares to be repurchased	$ 87,600			$ 87,600

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v3.25.2

Shareholders' Deficit - Schedule of Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024	Jun. 25, 2025	Jun. 26, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance as of beginning of period	$ (36,420)	$ (55,744)	$ (34,025)	$ (62,686)
Income tax expense related to items of other comprehensive income (loss)			2,001
Balance as of end of period	(34,579)	(53,243)	(34,579)	(53,243)
Defined Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance as of beginning of period			(209)
Settlement loss recognized (1)			1
Income tax expense related to items of other comprehensive income (loss)			(5)
Balance as of end of period	(192)		(192)
Amortization of net loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification			21
Derivatives
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance as of beginning of period			(31,830)
Reclassification			(1,915)
Changes in the fair value of cash flow hedges			(7,182)
Income tax expense related to items of other comprehensive income (loss)			2,006
Balance as of end of period	(37,783)		(37,783)
Amortization of unrealized losses related to interest rate swaps to interest expense, net
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification			1,138
Accumulated Other Comprehensive Loss, Net
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance as of beginning of period	(35,348)	(35,495)	(32,039)	(41,659)
Balance as of end of period	$ (37,975)	$ (34,461)	$ (37,975)	$ (34,461)

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v3.25.2

Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 25, 2025	Jun. 26, 2024
Supplemental Cash Flow Information [Abstract]
Income taxes paid, net	$ 2,250	$ 3,668
Interest paid	8,411	8,185
Noncash investing and financing activities:
Restaurant acquisition payable	300	0
Accrued purchase of property	549	229
Issuance of common stock, pursuant to share-based compensation plans	2,385	3,793
Execution of finance leases	191	119
Treasury stock payable	0	137
Treasury stock excise tax payable	0	511
Receivables included in acquisition of restaurants	$ 224	$ 0

X

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v3.25.2

Segment Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2025 USD ($)	Jun. 26, 2024 USD ($)	Jun. 25, 2025 USD ($) segment	Jun. 26, 2024 USD ($)	Dec. 25, 2024 USD ($)
Segment Reporting [Abstract]
Number of operating segments | segment			2
Revenues
Total operating revenue	$ 117,657	$ 115,927	$ 229,294	$ 225,901
Cost and expenses
Product costs	15,086	13,632	29,297	26,943
Payroll and benefits	21,869	20,493	42,965	40,967
Occupancy costs	5,181	4,671	10,240	9,244
Utilities	1,829	1,695	3,523	3,350
Repairs and maintenance	847	1,008	1,683	2,013
Marketing	2,386	1,876	4,414	3,480
Legal settlements	391	208	796	1,657
Pre-opening costs	645	191	1,354	557
Other direct costs	4,111	3,804	8,098	7,485
Total costs of company restaurant sales, excluding depreciation and amortization	52,345	47,578	102,370	95,696
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	29,217	33,428	57,571	60,802
Total restaurant-level operating margin	36,095	34,921	69,353	69,403
Reconciliation of restaurant-level operating margin to net income
General and administrative expenses	21,445	20,486	41,475	41,708
Depreciation and amortization	4,378	3,735	8,485	7,316
Goodwill impairment charges	0	20	0	20
Operating (gains), losses and other charges, net	1,700	1,565	5,611	1,238
Operating (gains), losses and other charges, net	27,523	25,806	55,571	50,282
Operating income	8,572	9,115	13,782	19,121
Interest expense, net	5,374	4,573	9,802	8,993
Other nonoperating income, net	(563)	(224)	(401)	(861)
Income before income taxes	3,761	4,766	4,381	10,989
Provision for income taxes	1,291	1,198	1,585	2,730
Net income	2,470	3,568	2,796	8,259
Total assets	491,150		491,150		$ 496,274
Company restaurant sales
Revenues
Total operating revenue	58,395	54,348	112,295	106,690
Royalties
Revenues
Total operating revenue	29,091	30,014	56,928	59,320
Advertising revenue
Revenues
Total operating revenue	19,490	20,788	38,563	38,926
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	19,490	20,788	38,563	38,926
Initial and other fees
Revenues
Total operating revenue	2,804	2,448	5,678	4,264
Occupancy revenue
Revenues
Total operating revenue	7,877	8,329	15,830	16,701
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	4,872	5,094	9,805	10,226
Franchise and license revenue
Revenues
Total operating revenue	59,262	61,579	116,999	119,211
Other direct costs
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	4,855	7,546	9,203	11,650
Denny’s
Revenues
Total operating revenue	106,019	109,352	207,586	213,363
Cost and expenses
Product costs	12,301	12,340	24,020	24,544
Payroll and benefits	17,971	18,374	35,664	37,031
Occupancy costs	3,909	4,031	7,906	8,044
Utilities	1,516	1,550	2,975	3,097
Repairs and maintenance	742	947	1,506	1,924
Marketing	2,085	1,758	3,898	3,239
Legal settlements	382	197	807	1,646
Pre-opening costs	0	0	0	0
Other direct costs	3,258	3,418	6,568	6,648
Total costs of company restaurant sales, excluding depreciation and amortization	42,164	42,615	83,344	86,173
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	28,466	32,662	55,926	59,455
Total restaurant-level operating margin	35,389	34,075	68,316	67,735
Reconciliation of restaurant-level operating margin to net income
Total assets	325,492		325,492		344,986
Denny’s | Company restaurant sales
Revenues
Total operating revenue	48,474	49,557	94,180	97,724
Denny’s | Royalties
Revenues
Total operating revenue	27,912	28,781	54,504	56,830
Denny’s | Advertising revenue
Revenues
Total operating revenue	19,047	20,339	37,667	38,019
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	19,047	20,339	37,667	38,019
Denny’s | Initial and other fees
Revenues
Total operating revenue	2,742	2,369	5,471	4,112
Denny’s | Occupancy revenue
Revenues
Total operating revenue	7,844	8,306	15,764	16,678
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	4,839	5,072	9,739	10,204
Denny’s | Franchise and license revenue
Revenues
Total operating revenue	57,545	59,795	113,406	115,639
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	4,580	7,251	8,520	11,232
Other
Revenues
Total operating revenue	11,638	6,575	21,708	12,538
Cost and expenses
Product costs	2,785	1,292	5,277	2,399
Payroll and benefits	3,898	2,119	7,301	3,936
Occupancy costs	1,272	640	2,334	1,200
Utilities	313	145	548	253
Repairs and maintenance	105	61	177	89
Marketing	301	118	516	241
Legal settlements	9	11	(11)	11
Pre-opening costs	645	191	1,354	557
Other direct costs	853	386	1,530	837
Total costs of company restaurant sales, excluding depreciation and amortization	10,181	4,963	19,026	9,523
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	751	766	1,645	1,347
Total restaurant-level operating margin	706	846	1,037	1,668
Reconciliation of restaurant-level operating margin to net income
Total assets	165,658		165,658		$ 151,288
Other | Company restaurant sales
Revenues
Total operating revenue	9,921	4,791	18,115	8,966
Other | Royalties
Revenues
Total operating revenue	1,179	1,233	2,424	2,490
Other | Advertising revenue
Revenues
Total operating revenue	443	449	896	907
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	443	449	896	907
Other | Initial and other fees
Revenues
Total operating revenue	62	79	207	152
Other | Occupancy revenue
Revenues
Total operating revenue	33	23	66	23
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	33	22	66	22
Other | Franchise and license revenue
Revenues
Total operating revenue	1,717	1,784	3,593	3,572
Other | Other direct costs
Costs of franchise and license revenue, excluding depreciation and amortization:
Costs of franchise and license revenue, excluding depreciation and amortization	$ 275	$ 295	$ 683	$ 418

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