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v3.19.3.a.u2

Stockholders' Equity (Deficit) - Stockholder Rights Plan (Details) | Oct. 23, 2019 | Mar. 06, 2019 | Jul. 22, 2018
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Rights |  |  |
Ownership trigger threshold | 20.00% | 20.00% | 15.00%

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- Definition Minimum percentage of beneficial ownership interest required to exercise rights. + References No definition available. + Details
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Namespace Prefix: | pzza_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_RightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |