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] Document Fiscal Year Focus Document Fiscal Year Focus Remaining performance obligation period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Adjustment to Compensation, Amount Adjustment to Compensation Amount Financial Instrument [Axis] Financial Instrument [Axis] Segment Reporting [Abstract] Segment Reporting [Abstract] Restructuring Plan [Axis] Restructuring Plan [Axis] Common stock ($0.01 par value per share; issued 49,303 at June 28, 2026 and 49,303 at December 28, 2025) Common Stock, Value, Issued Tax payments for equity award issuances Payment, Tax Withholding, Share-Based Payment Arrangement Schedule of long-term debt, net 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] Amount accrued Loss Contingency Accrual Leases Lessee, Finance Leases [Text Block] Restatement Determination Date Restatement Determination Date Contract assets Contract with Customer, Asset, after Allowance for Credit Loss Derivative Instrument [Axis] Derivative Instrument [Axis] Issuance of restricted stock (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Dividends paid to participating securities Participating Securities, Distributed and Undistributed Earnings (Loss), Basic Balance at beginning of period Balance at end of period Accounts Receivable, Allowance for Credit Loss Measurement Frequency [Axis] Measurement Frequency [Axis] Amendment Flag Amendment Flag Consolidated Entities [Axis] Consolidated Entities [Axis] Current liabilities: Current liabilities: Liabilities, Current [Abstract] Provision for allowance for credit losses on accounts and notes receivable Current period provision for expected credit losses, net Accounts Receivable, Credit Loss Expense (Reversal) Interest rate swap two Interest Rate Swap Two [Member] Interest Rate Swap Two Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Principal payments on finance leases Financing cash flows from finance leases Finance Lease, Principal Payments Disposal Group Classification [Axis] Disposal Group Classification [Axis] Loss Contingencies [Table] Loss Contingencies [Table] Disposal Group, Held-for-Sale, Not Discontinued Operations Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] Contract renewal option Contract Renewal Option, Period Contract Renewal Option, Period Leases [Abstract] Leases [Abstract] Consolidated Entities [Domain] Consolidated Entities [Domain] Distributions to noncontrolling interests Payments to Noncontrolling Interests Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Property and equipment, net Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment Entity Address, State or Province Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Financial assets: Assets, Fair Value Disclosure [Abstract] Reclassification out of Accumulated Other Comprehensive Income (Loss) Reclassification out of Accumulated Other Comprehensive Income [Member] Less: comprehensive (income) loss, redeemable noncontrolling interests Net Income (Loss) Attributable To Redeemable Noncontrolling Interest Net Of Tax Amount of Net Income (Loss) attributable to redeemable noncontrolling interest net of tax. 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Income tax receivable Increase (Decrease) in Income Taxes Receivable Schedule of basic and diluted earnings per common share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment Information Segment Reporting [Text Block] Minimum Minimum [Member] Dividends paid to common stockholders Dividends paid Payments of Ordinary Dividends, Common Stock Expiration Date Trading Arrangement Expiration Date Other closure related costs Other Closure Related Costs [Member] Other Closure Related Costs Liabilities Liabilities [Abstract] Schedule of revenue disaggregated by major product line Disaggregation of Revenue [Table Text Block] Papa John's Marketing Fund, Inc. Variable Interest Entity Disclosure [Text Block] Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Total Stockholders’ deficit Beginning balance Ending balance Stockholders' equity Equity, Including Portion Attributable to Noncontrolling Interest 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] Disposal Group, Including Discontinued Operations [Line Items] Disposal Group, Including Discontinued Operations [Line Items] Dividends on common stock Dividends, Common Stock Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Derivative [Table] Derivative [Table] Current assets Disposal Group, Including Discontinued Operation, Other Assets, Current Common stock authorized (in shares) Common Stock, Shares Authorized Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Exercise Price Award Exercise Price Schedule of Restructuring and Related Costs [Table] Restructuring Cost [Table] Issuance of restricted stock Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Litigation Status [Axis] Litigation Status [Axis] Fair Value, Recurring Fair Value, Recurring [Member] Segment Reporting [Line Items] Segment Reporting [Line Items] Stock repurchase program, authorized amount Share Repurchase Program, Authorized, Amount Document Quarterly Report Document Quarterly Report Cash surrender value of life insurance policies Cash Surrender Value, Fair Value Disclosure Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Notes receivable, current portion Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss, Current 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] Settled litigation Settled Litigation [Member] Interest Rate Swap Interest Rate Swap [Member] Effect of exchange rate changes on cash, cash equivalents, and restricted cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Debt Debt Disclosure [Text Block] Schedule of details for joint venture arrangements Schedule of Joint Ventures Having Noncontrolling Interests [Table Text Block] Tabular disclosure of joint ventures, which includes noncontrolling interests. 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Product Costs Cost, Direct Material Other Payment for (Proceeds from) Other Investing Activity Inventories Increase (Decrease) in Inventories Segment Reporting [Table] Segment Reporting [Table] Initial lease terms on franchised sites Lessor, Operating Lease, Term of Contract Investing activities Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Operating activities Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Accelerated depreciation Long-Lived Asset, Accelerated Depreciation Long-Lived Asset, Accelerated Depreciation Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Interest rate swaps, income tax effect of amounts reclassified out of accumulated other comprehensive loss, benefit (expense) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Operating income Operating Income (Loss) Remaining performance obligation Revenue, Remaining Performance Obligation, Amount Current Fiscal Year End Date Current Fiscal Year End Date Retained Restaurants Retained Restaurants [Member] Retained Restaurants Gain (loss) on sale Gain (Loss) on Disposition of Business Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Current period provision for expected credit losses, net Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Derivative [Line Items] Derivative [Line Items] Segment Reporting, as if Old Segmentation Basis [Axis] Segment Reporting, as if Old Segmentation Basis [Axis] Estimated pre-tax restructuring related costs Restructuring and Related Cost, Expected Cost Number of shares repurchased (in shares) Stock Repurchased During Period, Shares Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] 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 declared per common share (in dollars 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] Interest rate swaps, amounts reclassified out of accumulated other comprehensive loss Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Asset impairment charges Asset, Impairment Loss Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Schedule of changes of the allowance for credit losses for accounts receivable and notes receivable Financing Receivable, Allowance for Credit Loss [Table Text Block] Common stock, issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Schedule of assets and liabilities of PJMF Schedule of Variable Interest Entities [Table Text Block] Treasury stock (in shares) Treasury Stock, Common, Shares Change Contract with Customer, Liability, Increase (Decrease) Contract with Customer, Liability, Increase (Decrease) International Transformation Plan International Transformation Plan [Member] International Transformation Plan Cost of sales Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Other costs Other Cost and Expense, Operating PJI Revolving Facility PJI Revolving Facility [Member] PJI Revolving Facility Equity Components [Axis] Equity Components [Axis] Accounts receivable Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Class of Stock [Line Items] Class of Stock [Line Items] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Beginning balance Ending balance Restructuring Reserve, Current Schedule of supplemental cash flow information Schedule Of Lease Cash Flow Information [Table Text Block] Tabular disclosure of cash flow information related to operating leases. Entity Interactive Data Current Entity Interactive Data Current Net (income) loss attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Current finance lease liabilities Finance Lease, Liability, Current Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Comprehensive income attributable to the Company Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Other Commitments [Axis] Other Commitments [Axis] Tax effect of restricted stock awards (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Noncontrolling Interest [Table] Noncontrolling Interest [Table] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Contingent receivable Contingent Receivable, Upon Satisfactory Assignment Of Leases To Buyer Contingent Receivable, Upon Satisfactory Assignment Of Leases To Buyer Divestitures Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] 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 assets Other assets Other Assets, Noncurrent Financing activities Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Document Type Document Type Purchases of property and equipment related to damages from natural disasters Payments To Acquire Property And Equipment Related To Loss From Natural Disaster Payments To Acquire Property And Equipment Related To Loss From Natural Disaster Prepaid expenses and other current assets Derivative Asset, Current 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] Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Fair Value as of Grant Date Award Grant Date Fair Value Significant Accounting Policies Significant Accounting Policies [Text Block] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Share repurchase program, remaining authorized, amount Share Repurchase Program, Remaining Authorized, Amount Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Deferred revenue Deferred revenue Contract with Customer, Liability, Noncurrent Consolidation Items [Axis] Consolidation Items [Axis] Long-term operating lease liabilities Disposal Group, Including Discontinued Operation, Operating Lease, Liability, Noncurrent Disposal Group, Including Discontinued Operation, Operating Lease, Liability, Noncurrent Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Other (in shares) Stockholders' Equity, Other Shares Papa Johns Employee and Franchise Employee Antitrust Litigation Papa Johns Employee And Franchise Employee Antitrust Litigation [Member] Information pertaining to the Papa Johns Employee & Franchise Employee Antitrust Litigation. Income before income taxes 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] Net expenses due to natural disasters Loss From Natural Disasters Loss From Natural Disasters Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Noncontrolling Interests Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Executive Category: Executive Category [Axis] Income tax effect Other Comprehensive Income (Loss), Tax Liabilities, Redeemable noncontrolling interests and Stockholders’ deficit Liabilities and Equity [Abstract] Schedule of fair value measurements on a recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Inventories Inventory, Net All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Level 3 Fair Value, Inputs, Level 3 [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] PEO Name PEO Name Accrued expenses and other current liabilities Accrued expenses and other current liabilities Accrued Liabilities and Other Liabilities Proceeds from sale of joint venture Proceeds from Divestiture of Interest in Joint Venture Contract liabilities Beginning balance Ending balance Contract with Customer, Liability Net unrealized gain (loss) on interest rate swap agreements Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Other segment expenses Segment Reporting, Other Segment Item, Amount Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Significant Account Policies [Line Items] Significant Account Policies [Line Items] Significant Account Policies Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Common stock repurchase program Common stock repurchase program [Member] Common Stock Repurchase Program [Member] Entity Tax Identification Number Entity Tax Identification Number Accounts Receivable Accounts Receivable, Allowance for Credit Loss [Roll Forward] Amount of Gain or (Loss) Recognized in AOCL on Derivative Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Payments Payments for Restructuring Cash, cash equivalents, and restricted cash Cash, cash equivalents, and restricted cash at beginning of period Cash, cash equivalents, and restricted cash at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Accounts payable Increase (Decrease) in Accounts Payable Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Adjusted EBITDA Total Segment adjusted EBITDA Adjusted EBITDA Adjusted EBITDA 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] Notes Receivable Financing Receivable, Allowance for Credit Loss [Roll Forward] Comprehensive income before attribution to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest COS - Other Cost, Other Cost, Other Measurement Frequency [Domain] Measurement Frequency [Domain] Debt Instrument [Axis] Debt Instrument [Axis] Stock-based compensation expense Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Customer loyalty program obligations Customer loyalty program obligations [Member] Information pertaining to the Customer Loyalty Program. Allowance for Credit Losses Credit Loss, Financial Instrument [Policy Text Block] Disposal Group Name [Axis] Disposal Group Name [Axis] Leases Lessee, Operating Leases [Text Block] Schedule of location and amounts of derivatives in the financial statements Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Basic earnings per common share (in dollars per share) Earnings Per Share, Basic Insurance proceeds from operating activities Proceeds from Insurance Settlement, Operating Activities Current deferred revenue Current deferred revenue Contract with Customer, Liability, Current Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Schedule of effect of derivatives on the financial statements Derivative Instruments, Gain (Loss) [Table Text Block] Long-term debt, less current portion, net Total long-term debt, net Long-Term Debt, Excluding Current Maturities Award Type Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Number of restaurant closures Restructuring and Related Cost, Number Of Store Closures Restructuring and Related Cost, Number Of Store Closures Accounts receivable, net Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings Retained Earnings (Accumulated Deficit) Restructuring and Related Activities [Abstract] 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] Current operating lease liabilities Disposal Group, Including Discontinued Operation, Operating Lease, Liability, Current Disposal Group, Including Discontinued Operation, Operating Lease, Liability, Current Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Number of units leased and subleased Lessor Operating Leases, Number Of Units Number of units leased as lessor. Deferred revenue Increase (Decrease) In Contract Liabilities The increase (decrease) in contract liabilities to provide goods or services to customers. Domestic Company-Owned Restaurants Domestic Company-owned Restaurants Domestic Company Owned Restaurants Segment [Member] Represents information pertaining to the domestic Company-owned restaurants, a reportable segment of the entity. Employee termination costs Special Termination Benefits [Member] Derivative Contract [Domain] Derivative Contract [Domain] Depreciation and amortization Depreciation and amortization Cost, Depreciation, Amortization and Depletion Equity Awards Adjustments Equity Awards Adjustments [Member] Unallocated Corporate Expenses Unallocated Corporate Expenses Segment [Member] Unallocated Corporate Expenses Segment Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Other long-term liabilities Derivative Liability, Noncurrent Total Liabilities, Redeemable noncontrolling interests and Stockholders’ deficit Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] Amount of (Loss) or Gain Reclassified from AOCL into Income Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Noncontrolling interests in subsidiaries Equity, Attributable to Noncontrolling Interest Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Charges Restructuring Charges Related Party [Domain] Related and Nonrelated Parties [Domain] Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Company-owned restaurant sales Company-owned restaurant sales Company-Owned Restaurant Sales [Member] Company-Owned Restaurant Sales Number of leases transferred Number of Leases Transferred Number of Leases Transferred Name Awards Close in Time to MNPI Disclosures, Individual Name Stockholders’ deficit: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] 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] General and administrative expenses General & Administrative General and Administrative Expense Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Change in Contract with Customer, Liability [Roll Forward] Change in Contract with Customer, Liability [Roll Forward] Change in Contract with Customer, Liability Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Adjustment to Compensation: Adjustment to Compensation [Axis] Intersegment revenues Corporate And Eliminations [Member] Corporate And Eliminations Net income allocable to the redeemable noncontrolling interest for joint venture arrangements Redeemable noncontrolling interests Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Hedging Designation [Domain] Hedging Designation [Domain] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Interest paid, including payments made or received under the swaps Interest Paid, Excluding Capitalized Interest, Operating Activity Operating cash flows from finance leases Finance Lease, Interest Payment on Liability Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Hedging Designation [Axis] Hedging Designation [Axis] Purchase price Proceeds from Divestiture of Businesses and Interests in Affiliates Credit Facility [Axis] Credit Facility [Axis] Restructuring Restructuring and Related Activities Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Refranchising transaction expense (gain), net Gain (Loss) On Refranchise Gain (Loss) On Refranchise Other income/(expense) adjustments to reconcile to income before income before income taxes Other (income)/expense adjustments Other Income (Expense), Adjustments Other Income (Expense), Adjustments COS - Salaries & Benefits Cost, Direct Labor Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Name Measure Name Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Other Other Noncash Income (Expense) Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Interest rate swaps Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax Additional Paid-In Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Total Enterprise Transformation Plan costs Total Enterprise Transformation Plan Costs [Member] Total Enterprise Transformation Plan Costs Percentage of domestic restaurants franchised Percentage Of Business Units Franchised Represents the percentage of business units that are owned and/or operated in a franchise agreement by franchisees. Number of restaurants Number of Restaurants Loss on disposal of property and equipment Loss On Disposal Of Property And Equipment [Member] Loss On Disposal Of Property And Equipment Estimated maximum amount of undiscounted payments in the event of nonpayment by primary lessees Contingent Liability Assumed In Sale of Business The total contingent liability assumed in the sale of a business. Name Trading Arrangement, Individual Name Operating lease right-of-use assets, net Disposal Group, Including Discontinued Operation, Operating Lease, Right-Of-Use Asset Disposal Group, Including Discontinued Operation, Operating Lease, Right-Of-Use Asset Advertising funds expense Advertising Expense Cash and cash equivalents Cash and Cash Equivalent Proceeds from term loan Proceeds from (Repayments of) Secured Debt Number of stores company owned Restructuring and Related Cost, Number Of Stores Company Owned Restructuring and Related Cost, Number Of Stores Company Owned Basis of Presentation Basis of Accounting [Text Block] Number of domestic leases for which the Company is contingently liable Contingent Liability, Number Of Leases The number of leases for which the Company is contingently liable. North America Franchising North America Franchising North America Franchising Segment [Member] North America franchising segment. Company Selected Measure Amount Company Selected Measure Amount Income tax receivable Income tax receivable Income Taxes Receivable Depreciation and amortization Depreciation, Depletion and Amortization Term Loan Term Loan [Member] Term Loan Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Net income Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Right-of-use assets obtained in exchange for new finance lease liabilities Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Current assets: 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 Right-of-use assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Income tax expense Income Tax Expense (Benefit) Net income (loss) Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Award Timing Method Award Timing Method [Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] 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 Other revenues Other revenues Product and Service, Other [Member] Forecast Forecast [Member] Write-offs charged against the allowance Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Number of additional store closures Restructuring and Related Cost, Number Of Additional Store Closures Restructuring and Related Cost, Number Of Additional Store Closures Papa John's Marketing Fund Inc. Variable Interest Entity, Primary Beneficiary [Member] Floating Rate Debt Derivative Liability, Notional Amount Net income attributable to the Company Total net income (loss) Net income attributable to the Company Net Income (Loss) Attributable to Parent Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Initial term of franchise subleases Lessor, Operating Lease, Sublease, Term Of Contract Lessor, Operating Lease, Sublease, Term Of Contract Corporate Joint Venture Corporate Joint Venture [Member] Goodwill Disposal Group, Including Discontinued Operation, Goodwill Proceeds from dispositions and refranchising, net of cash transferred Proceeds from Sale of Property, Plant, and Equipment Swingline Loan Bridge Loan [Member] Statement [Table] Statement [Table] All Other Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Catastrophic Event [Axis] Catastrophic Event [Axis] Restatement Determination Date: Restatement Determination Date [Axis] Proceeds from exercise of stock options Proceeds from Stock Options Exercised Interest rate swaps Interest Rate Derivative Liabilities, at Fair Value Schedule of estimated revenue expected to be recognized in the future Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Settlement amount Litigation Settlement, Amount Awarded to Other Party Schedule of contract liability balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Papa John’s International, Inc. Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent North America Commissaries North America Commissaries North America Commissary Segment [Member] Represents information pertaining to the North America Commissary and other segment information. Net proceeds (repayments) of revolving credit facilities Proceeds from (Repayments of) Lines of Credit Commissary revenues Commissary sales Commissary [Member] Commissary Revenues: Revenues [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]