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Significant Accounting Policies - Noncontrolling Interests and Foreign Currency Translation (Details) |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 15, 2018 USD ($) restaurant | Sep. 30, 2018 entity | Apr. 01, 2018 entity | Dec. 30, 2018 USD ($) restaurant entity | Dec. 31, 2017 restaurant entity
Noncontrolling Interests |  |  |  |  |
Number of joint ventures | entity |  |  |  | 3 | 5
Stores in Beijing and Tianjin, China |  |  |  |  |
Noncontrolling Interests |  |  |  |  |
Number of restaurants divested | 34 |  |  | 34 |
Reversal of accumulated other comprehensive income related to foreign currency translation | $ | $ 1,300,000 |  |  | $ 1,300,000 |
Reversal of deferred tax related to foreign currency translation | $ |  |  |  | $ 300,000 |
Joint ventures |  |  |  |  |
Noncontrolling Interests |  |  |  |  |
Number of joint ventures divested | entity |  | 1 | 1 | 2 |
Number of restaurants divested |  |  |  | 62 |
Number of Restaurants |  |  |  | 183 | 246

X
- Definition The number of joint ventures divested during the period. + References No definition available. + Details
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- Definition Represents the number of joint ventures, which includes noncontrolling interests. + References No definition available. + Details
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Namespace Prefix: | pzza_
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X
- Definition Number of restaurants sold + References No definition available. + Details
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Namespace Prefix: | pzza_
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- Definition Amount of reclassification adjustment from accumulated other comprehensive income for foreign currency translation gain (loss). + References No definition available. + Details
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- Definition Amount of reclassification adjustment from accumulated other comprehensive income for reversal of deferred tax. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Represents the number of restaurants. + References No definition available. + Details
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- Details
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Namespace Prefix: |
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- Details
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