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Litigation (Details 1) (Pending Litigation, Perrin v. Papa John's International, Inc. and Papa John's USA, Inc.)
Mar. 29, 2015
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employee
Pending Litigation | Perrin v. Papa John's International, Inc. and Papa John's USA, Inc.
 
Loss Contingency Information About Litigation Matters  
Number of employees who opted into the class action 3,900pzza_NumberOfEmployeesThatOptedIntoClassActionLawSuit
/ us-gaap_LitigationCaseAxis
= pzza_PerrinVsPapaJohnsMember
/ us-gaap_LitigationStatusAxis
= us-gaap_PendingLitigationMember
Potential class size 28,800pzza_PotentialClassSize
/ us-gaap_LitigationCaseAxis
= pzza_PerrinVsPapaJohnsMember
/ us-gaap_LitigationStatusAxis
= us-gaap_PendingLitigationMember
Number of states, which are granted motion for class certification 5pzza_NumberOfStatesWhichAreGrantedMotionForClassCertification
/ us-gaap_LitigationCaseAxis
= pzza_PerrinVsPapaJohnsMember
/ us-gaap_LitigationStatusAxis
= us-gaap_PendingLitigationMember
Number of plaintiffs added to case 15,000pzza_NumberOfPlaintiffsAddedToCase
/ us-gaap_LitigationCaseAxis
= pzza_PerrinVsPapaJohnsMember
/ us-gaap_LitigationStatusAxis
= us-gaap_PendingLitigationMember