Litigation, Commitments and Contingencies - Capital Lease (Details) $ in Millions	Dec. 30, 2018 USD ($) lease
Litigation, Commitments and Contingencies
Contingent lease liability, number of domestic leases \| lease	124
Estimated maximum amount of undiscounted payments for contingent lease liabilities \| $	$ 11.9

Represents the undiscounted maximum lease payments under contingent liabilities.

No definition available.

Name:	pzza_ContingentLeaseLiabilityUndiscountedPaymentAmount
Namespace Prefix:	pzza_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant