XML 71 R51.htm IDEA: XBRL DOCUMENT
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Description of Business (Details) | Dec. 31, 2017 item
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Description of Business |
Number of states in which the entity operates | 50
Number of countries in which the entity operates | 44

X
- References No definition available. + Details
Name: | pzza_DisclosureDescriptionOfBusinessAbstract
Namespace Prefix: | pzza_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of countries in which the entity operates as of balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfCountriesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant