Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Title of 12(b) Security Title of 12(b) Security Carrying Value Reported Value Measurement [Member] Subsequent event Subsequent Event [Member] Document Period Year Focus Document Fiscal Year Focus Remaining amortization period for deferred revenue related to open restaurants (in years) Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Schedule of Fair Value of Debt and the Investment in Debt Securities Fair Value Measurements, Nonrecurring [Table Text Block] Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Common stock, $0.01 par value; 100,000,000 shares authorized; 27,053,023 and 27,540,619 shares issued and outstanding as of September 26, 2026 and December 27, 2025, respectively Common Stock, Value, Issued Tax payments for restricted stock upon vesting Payment, Tax Withholding, Share-Based Payment Arrangement Schedule of Long-term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Performance units, service period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period Restaurants Segment Restaurants Segment [Member] Restaurants Segment Line of credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Advertising fund assets and liabilities, net Increase (Decrease) In Advertising Fund Assets And Liabilities, Net Increase (Decrease) In Advertising Fund Assets And Liabilities, Net International and US locations International And United States [Member] International And United States Amendment Flag Amendment Flag Proceeds from sale of equity method investments Proceeds from Sale of Equity Method Investments Current liabilities Liabilities, Current [Abstract] Average price of shares acquired (in USD per share) Weighted average price per share (in USD per share) Shares Acquired, Average Cost Per Share Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Franchisor Disclosure [Domain] Franchisor Disclosure [Domain] Investments Investment [Text Block] Property and equipment Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Loss on disposal of assets Gain (Loss) on Disposition of Other Assets Covenant, leverage ratio Debt Instrument, Covenant, Leverage Ratio Debt Instrument, Covenant, Leverage Ratio Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax [Abstract] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Schedule of Cash, Cash Equivalents, and Restricted Cash Schedule of Cash and Cash Equivalents [Table Text Block] Entity Address, State or Province Entity Address, State or Province Currency translation adjustment Currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value (in USD per share) Common Stock, Par or Stated Value Per Share Share Repurchase Program [Domain] Share Repurchase Program [Domain] Basic weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Tranche one Share-Based Payment Arrangement, Tranche One [Member] Investments Long-Term Investments Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Number of reportable segments Number of Reportable Segments Non-cash investment income Non Cash Investment Income Non Cash Investment Income Total current liabilities Liabilities, Current Deferred revenue Increase (Decrease) in Deferred Revenue Entity Address, City or Town Entity Address, City or Town RSUs granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of presentation Basis of Accounting, Policy [Policy Text Block] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Maximum borrowing capacity for line of credit Line of Credit Facility, Maximum Borrowing Capacity Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Working capital Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Working Capital Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Working Capital Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Recently issued accounting pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Accrued capital expenditures Capital Expenditures Incurred but Not yet Paid Schedule of Segment Reporting Information, by Segment Segment Reporting [Table Text Block] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Reacquired franchise rights Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Document Period End Date Document Period End Date Changes in operating assets and liabilities, net of acquisitions: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Cash (used in) provided by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Stockholders’ Deficit Equity [Text Block] Amortization of capitalized system implementation costs Amortization Of Capitalized System Implementation Costs Amortization Of Capitalized System Implementation Costs Costs and expenses: Costs and Expenses [Abstract] Security Exchange Name Security Exchange Name Share repurchases Share Repurchase Program [Member] Share Repurchase Program NNR PSUs Net New Restaurant PSUs [Member] Net New Restaurant PSUs Fiscal year Fiscal Period, Policy [Policy Text Block] Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Franchisor Disclosure [Line Items] Franchisor Disclosure [Line Items] Current portion of operating lease liabilities Operating Lease, Liability, Current Earnings per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Cost of sales: Cost of Product and Service Sold [Abstract] Earnings per share Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Schedule of Reconciliation of Basic Shares Outstanding to Diluted Shares Outstanding Schedule of Weighted Average Number of Shares [Table Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total liabilities Liabilities Trading Symbol Trading Symbol Geographical [Domain] Geographical [Domain] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Trademarks Intangible Asset, Excluding Goodwill, Indefinite-Lived Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Company Selected Measure Name Company Selected Measure Name Schedule of Restrictions on Cash Restrictions on Cash and Cash Equivalents [Table Text Block] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Amortization of debt issuance costs Amortization of Debt Issuance Costs and Discounts Gross debt Debt outstanding Long-Term Debt, Gross 2023 & 2024 ASR Agreements 2023 And 2024 ASR Agreements [Member] 2023 And 2024 ASR Agreements Credit Facility [Domain] Credit Facility [Domain] Operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Advertising fund liabilities Advertising Fund Liabilities, Restricted Advertising Fund Liabilities, Restricted Compensation Amount Outstanding Recovery Compensation Amount Dividends payable Dividends Payable, Current Individual: Individual [Axis] Franchise fees and other Franchise [Member] Diluted weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Deferred income taxes Deferred Income Taxes and Tax Credits PSU vesting (as a percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Proceeds from sale of investments Proceeds from Sale of Investment Projects Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Award Timing Predetermined Award Timing Predetermined [Flag] Restricted cash Restricted cash Restricted Cash, Current Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Stock-based compensation expense, net of forfeitures APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Effective income tax rate (as a percent) Effective Income Tax Rate Reconciliation, Percent Dilutive shares (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements All Executive Categories All Executive Categories [Member] Growth PSUs Growth PSUs [Member] Growth PSUs Purchases of common stock Shares repurchased and retired during period Stock Repurchased and Retired During Period, Value Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Vesting [Domain] Vesting [Domain] Operating lease assets Operating Lease, Right-of-Use Asset Stock repurchase, additional authorized amount Share Repurchase Program, Authorized, Additional Amount Share Repurchase Program, Authorized, Additional Amount Lemmon Pepper Holdings Ltd Lemmon Pepper Holdings Ltd [Member] Lemmon Pepper Holdings Ltd Total purchase price Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Royalty revenue Royalty [Member] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment Information Segment Reporting [Text Block] Line of credit Long-Term Line of Credit Expiration Date Trading Arrangement Expiration Date Investment at fair value Investments, Fair Value Disclosure Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Royalty revenue, franchise fees and other Royalty, Franchise Fees And Other [Member] Royalty, Franchise Fees And Other Business Combination [Line Items] Business Combination [Line Items] Average franchise license term (in years) Franchise License, Average Term Franchise License, Average Term Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Exercise Price Award Exercise Price Investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Segment Reporting [Line Items] Segment Reporting [Line Items] Stock repurchase, authorized amount Share Repurchase Program, Authorized, Amount Proceeds from sales of assets Proceeds from Sales of Assets, Investing Activities Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Debt Obligations Debt Disclosure [Text Block] Advertising fees Advertising [Member] Debt issuance costs, net of amortization Debt Issuance Costs, Net Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Business Combination [Table] Business Combination [Table] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Secured debt Secured Debt [Member] Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Adoption Date Trading Arrangement Adoption Date Reinvestment in entity Payments to Acquire Equity Method Investments Senior secured note fixed interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Dividends declared on common stock and equivalents Dividends, Common Stock, Cash Total stockholders' deficit Balance at beginning of period Balance at end of period Equity, Attributable to Parent Investment (income) expense Investment (income) expense Nonoperating Income (Expense) Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] 2020 Variable Funding Notes 2020 Variable Funding Notes [Member] 2020 Variable Funding Notes Insider Trading Policies and Procedures [Line Items] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Performance shares Performance Shares [Member] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Selling, general and administrative Total selling, general and administrative Selling, General and Administrative Expense Restricted cash, included in Advertising fund assets, restricted Restricted Cash, Included In Advertising Fund Assets, Restricted Restricted Cash, Included In Advertising Fund Assets, Restricted Business Combination [Domain] Business Combination [Domain] Interest expense, net Interest Income (Expense), Nonoperating Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Equity awards outstanding (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount RSUs Restricted Stock Units (RSUs) [Member] Entity Central Index Key Entity Central Index Key Transaction costs Transaction Costs Transaction Costs All Adjustments to Compensation All Adjustments to Compensation [Member] Business Combination [Axis] Business Combination [Axis] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Entity operated units Entity Operated Units [Member] Income Statement [Abstract] Stockholders' deficit Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Share Repurchase Program [Table] Share Repurchase Program [Table] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Operating lease liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease Liabilities City Area Code City Area Code Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Debt instrument at fair value Debt Instrument, Fair Value Disclosure Dividends paid Payments of Dividends Name Forgone Recovery, Individual Name Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Statement [Line Items] Statement [Line Items] Total assets Assets Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Shares issued under stock plans (in shares) Stock Issued During Period, Shares, New Issues PEO PEO [Member] Total debt Debt, Long-Term and Short-Term, Combined Amount Stock-based compensation expense Share-Based Payment Arrangement, Expense Measurement Basis [Axis] Measurement Basis [Axis] Purchases of common stock (in shares) Stock repurchased and retired (in shares) # of shares (in shares) Stock Repurchased and Retired During Period, Shares Other non-current liabilities Other Liabilities, Noncurrent Goodwill Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Weighted average grant date fair value of RSUs granted (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Subsequent Event Type [Domain] Subsequent Event Type [Domain] Retained Deficit Retained Earnings [Member] Operating lease liabilities Operating Lease, Liability, Noncurrent PSUs based on operational targets PSUs Based On Operational Targets [Member] PSUs Based On Operational Targets Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Balance at beginning of period (in shares) Balance at end of period (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Diluted (in USD per share) Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Tax payments for restricted stock upon vesting Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Schedule of Purchase Price Allocation for Acquisitions Business Combination [Table Text Block] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Operating lease right-of-use assets Business Combination, Recognized Identifiable Assets Acquired, Operating Lease Right-Of-Use Assets Business Combination, Recognized Identifiable Assets Acquired, Operating Lease Right-Of-Use Assets Allowance for credit losses Financing Receivable, Allowance for Credit Loss Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Share Repurchase Program [Line Items] Share Repurchase Program [Line Items] Underlying Securities Award Underlying Securities Amount Fair Value Estimate of Fair Value Measurement [Member] Revenue from Contracts with Customers Revenue from Contract with Customer [Text Block] Shares issued under stock plans Stock Issued During Period, Value, New Issues Company acquired existing restaurants from franchisees Franchisee Restaurant Acquisition [Member] Franchisee Restaurant Acquisition Food, beverage and packaging costs Cost, Direct Material Segment Reporting [Table] Segment Reporting [Table] System implementation costs System Implementation Costs System Implementation Costs Selling, general & administrative: Selling, General and Administrative Expense [Abstract] Schedule of Equity Method Investments [Table] Equity Method Investment [Table] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating income Operating Income (Loss) Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Provision for credit losses Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Proportion of restaurants that are franchised (as a percent) Proportion Of Restaurants That Are Franchised Proportion Of Restaurants That Are Franchised Restaurant Transactions Business Combination [Text Block] Stock repurchased (in shares) Stock Repurchased During Period, Shares Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends payable per share (in USD per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Schedule of Shares Repurchased and Retired Summary Of Shares Repurchased And Retired [Table Text Block] Summary Of Shares Repurchased And Retired Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Restructuring charges Restructuring Costs Common stock, shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Cost of sales Total cost of sales Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Other operating costs Other Cost and Expense, Operating Equity Components [Axis] Equity Components [Axis] Accounts receivable Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Franchisor Disclosure [Axis] Franchisor Disclosure [Axis] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Entity Interactive Data Current Entity Interactive Data Current Deferred income tax liabilities, net Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Tax payments for restricted stock upon vesting (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other current liabilities Other Liabilities, Current Other non-current assets, net Other Assets, Noncurrent Document Type Document Type Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value as of Grant Date Award Grant Date Fair Value Basis of Presentation and Update to Significant Accounting Policies Significant Accounting Policies [Text Block] Loss on disposal of assets Gain (Loss) on Disposition of Assets 2020-1 Class A-2 Senior Secured Notes 2020-1 Class A-2 Senior Secured Notes 2020-1 Class A-2 Senior Secured Notes [Member] 2020-1 Class A-2 Senior Secured Notes Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Stock repurchased remaining amount Share Repurchase Program, Remaining Authorized, Amount Total costs and expenses Operating Costs and Expenses Company-owned restaurant sales Franchisor Owned Outlet [Member] Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Deferred revenues, net of current Contract with Customer, Liability, Noncurrent Schedule of Franchisor Disclosure [Table] Franchisor, Ownership [Table] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Income before income tax expense Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies (see Note 7) Commitments and Contingencies Total revenue Revenues Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Gain loss on disposal of assets Equity Method Investment, Realized Gain (Loss) on Disposal Accounts payable and other current liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Liabilities and stockholders' deficit Liabilities and Equity [Abstract] Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value Measurements Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Supplemental information: Supplemental Cash Flow Information [Abstract] PEO Name PEO Name Geographical [Axis] Geographical [Axis] Other segment expense Segment Reporting, Other Segment Item, Amount Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Vendor rebates Vendor Rebates Vendor Rebates Cash, cash equivalents, and restricted cash at beginning of period Cash, cash equivalents, and restricted cash at end of period Total cash, cash equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Debt Instrument [Axis] Debt Instrument [Axis] Other liabilities Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Ownership percentage Equity Method Investment, Ownership Percentage Acquisition of restaurants from franchisees Payments to Acquire Businesses, Gross Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense 2022-1 Class A-2 Senior Secured Notes 2022-1 Class A-2 Senior Secured Notes 2022-1 Class A-2 Senior Secured Notes [Member] 2022-1 Class A-2 Senior Secured Notes [Member] Investment, Name [Domain] Investment, Name [Domain] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in USD per share) Earnings Per Share, Basic Purchases of common stock Payments for Repurchase of Common Stock Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Long-term debt, net Long-Term Debt, Excluding Current Maturities Award Type [Axis] Award Type [Axis] Deferred revenue not yet being amortized Contract With Customer, Portion Of Liability Not Yet Being Amortized Contract With Customer, Portion Of Liability Not Yet Being Amortized Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Retained deficit Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Equity Awards Adjustments Equity Awards Adjustments [Member] Total liabilities and stockholders' deficit Liabilities and Equity Number of franchisees restaurants were acquired from Number Of Franchisees Restaurants Acquired From Number Of Franchisees Restaurants Acquired From Employee Stock Option Share-Based Payment Arrangement, Option [Member] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Tabular List, Table Tabular List [Table Text Block] Vesting [Axis] Vesting [Axis] 2024-1 Class A-2 Senior Secured Notes 2024-1 Class A-2 Senior Secured Note 2024-1 Class A-2 Senior Secured Notes [Member] 2024-1 Class A-2 Senior Secured Notes Additional paid-in-capital Additional Paid in Capital Other non-current liabilities Increase (Decrease) in Other Noncurrent Liabilities Name Awards Close in Time to MNPI Disclosures, Individual Name Leasehold improvements Business Combination, Recognized Asset Acquired, Leasehold Improvements Business Combination, Recognized Asset Acquired, Leasehold Improvements Payments for investments Payments to Acquire Investments Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] ASR Agreement ASR Agreement [Member] ASR Agreement Adjustment to Compensation: Adjustment to Compensation [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Dividends Payable [Line Items] Dividends Payable [Line Items] Dividends Payable [Table] Dividends Payable [Table] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Gain on sale of investment Gain on Sale of Investments Advertising fees Advertising Fees And Related Income [Member] Advertising Fees And Related Income Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Labor Cost, Direct Labor Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Additional Paid-In Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Number of restaurants Number of Restaurants Name Trading Arrangement, Individual Name Advertising expenses Advertising Expense Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Company Selected Measure Amount Company Selected Measure Amount Equity Method Investments and Joint Ventures [Abstract] Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization Entity Address, Address Line Two Entity Address, Address Line Two Current assets Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Senior notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Income tax expense Income tax expense Income Tax Expense (Benefit) Number of restaurants re-franchised Number Of Re-Franchised Restaurants Number Of Re-Franchised Restaurants Adjustments to reconcile net income to cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Award Timing Method Award Timing Method [Text Block] Net change in cash, cash equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Net income Net income Net income Net Income (Loss) Attributable to Parent Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Market-based vesting Share-Based Payment Arrangement, Tranche Two [Member] Restatement Determination Date: Restatement Determination Date [Axis] Proceeds from exercise of stock options Proceeds from Stock Options Exercised Franchised units Franchised Units [Member] Revenue: Revenues [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Advertising fund assets, restricted Advertising Fund Assets, Restricted Advertising Fund Assets, Restricted