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

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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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The Company completed the refranchising of three Company-owned restaurants.

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

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Amount, before tax, of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a disposal group. Excludes discontinued operations.

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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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Divestitures - Divestitures (Details)			3 Months Ended				12 Months Ended
Divestitures - Divestitures (Details)	Jul. 02, 2018 USD ($) restaurant	Jun. 15, 2018 USD ($) restaurant	Dec. 29, 2019 USD ($) restaurant	Sep. 29, 2019 USD ($) restaurant	Sep. 30, 2018 USD ($)	Apr. 01, 2018 USD ($) restaurant	Dec. 29, 2019 USD ($)	Dec. 30, 2018 USD ($) restaurant	Dec. 31, 2017 USD ($)
Goodwill written off							$ 4,435,000	$ 1,359,000
Number of owned restaurants refranchising completed \| restaurant			3
Impairment loss									$ 1,674,000
Proceeds from divestitures of restaurants							13,495,000	7,707,000
Refranchising and impairment gains (losses), net							4,739,000	$ (289,000)	(1,674,000)
Stores in Macon, GA
Number of restaurants divested \| restaurant				19
Total consideration for asset sale of restaurants				$ 5,600,000
Refranchising gains (losses), net				1,700,000
Goodwill written off				$ 2,000,000.0
Stores in South Florida
Number of restaurants divested \| restaurant			23
Total consideration for asset sale of restaurants			$ 7,500,000				$ 7,500,000
Refranchising gains (losses), net			2,900,000
Goodwill written off			$ 2,400,000
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
Consideration for asset sale, notes financed by Papa John's						1,100,000
Goodwill written off						700,000
Proceeds from divestitures of restaurants						3,700,000
Refranchising and impairment gains (losses), net						$ 690,000
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
Refranchising and impairment gains (losses), net					$ 930,000
Stores in Beijing and Tianjin, China
Number of restaurants divested \| restaurant		34						34
Impairment loss									$ 1,700,000
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