The total contingent liability assumed in the sale of a business.

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The number of leases for which the Company is contingently liable.

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Percentage of the Joint Venture owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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No definition available.

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Number of restaurants sold

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Amount of reclassification adjustment from accumulated other comprehensive income for foreign currency translation gain (loss).

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No definition available.

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Represents the amount of additional tax expense incurred as the result of the sale or disposal of business.

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No definition available.

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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.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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No definition available.

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Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.

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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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The fair value of notes issued in noncash investing and financing activities.

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Divestitures - Divestitures (Details)			3 Months Ended		12 Months Ended
Divestitures - Divestitures (Details)	Jul. 02, 2018 USD ($) restaurant	Jun. 15, 2018 USD ($) restaurant	Sep. 30, 2018 USD ($) lease	Apr. 01, 2018 USD ($) restaurant	Dec. 30, 2018 USD ($) restaurant	Dec. 31, 2017 USD ($)	Dec. 25, 2016 USD ($)
Proceeds from divestitures of restaurants					$ 7,707,000		$ 16,844,000
Goodwill written off					1,359,000
Impairment loss						$ 1,674,000	1,350,000
Refranchising and impairment gains/(losses), net					(289,000)	(1,674,000)	10,222,000
Contract assets					6,600,000	7,100,000
Stores in Denver, Colorado market
Number of restaurants divested \| restaurant				31
Ownership share in stores refranchised (as a percent)				60.00%
Total consideration for asset sale of restaurants				$ 4,800,000
Proceeds from divestitures of restaurants				3,700,000
Consideration for asset sale, notes financed by Papa John's				1,100,000
Goodwill written off				700,000
Number of domestic leases for which the Company is contingently liable \| lease			31
Estimated maximum amount of undiscounted payments in the event of nonpayment by primary lessees					$ 2,900,000
Refranchising and impairment gains/(losses), net				$ 690,000
Stores in Beijing and Tianjin, China
Number of restaurants divested \| restaurant		34			34
Impairment loss						$ 1,700,000	$ 1,400,000
Refranchising and impairment gains/(losses), net		$ (1,900,000)
Reversal of accumulated other comprehensive income related to foreign currency translation		1,300,000			$ 1,300,000
Additional tax expense associated with divestiture of restaurants		$ 2,400,000
Stores in Minneapolis, Minnesota market
Number of restaurants divested \| restaurant	31
Ownership share in stores refranchised (as a percent)	70.00%
Total consideration for asset sale of restaurants	$ 3,750,000
Goodwill written off			$ 600,000
Number of domestic leases for which the Company is contingently liable \| lease			31
Estimated maximum amount of undiscounted payments in the event of nonpayment by primary lessees			$ 5,900,000
Refranchising and impairment gains/(losses), net			$ 930,000