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Noncontrolling Interests (Details 4) (USD $)
 12 Months Ended
Dec. 28, 2014
Dec. 29, 2013
Dec. 30, 2012
Noncontrolling Interests      
Noncontrolling interests in subsidiaries $ 12,482,000us-gaap_MinorityInterest $ 510,000us-gaap_MinorityInterest  
Colonel's Limited, LLC      
Noncontrolling Interests      
Noncontrolling interests in subsidiaries 11,400,000us-gaap_MinorityInterest
/ dei_LegalEntityAxis
= pzza_ColonelsLimitedLLCMember		    
Redemption value   10,800,000pzza_MandatorilyRedeemableNoncontrollingInterestRedemptionValue
/ dei_LegalEntityAxis
= pzza_ColonelsLimitedLLCMember		  
Adjustment to interest expense due to change in redemption value $ 4,000pzza_AdjustmentToInterestExpenseDueToChangeInRedemptionValue
/ dei_LegalEntityAxis
= pzza_ColonelsLimitedLLCMember		 $ (1,100,000)pzza_AdjustmentToInterestExpenseDueToChangeInRedemptionValue
/ dei_LegalEntityAxis
= pzza_ColonelsLimitedLLCMember		 $ 1,000,000pzza_AdjustmentToInterestExpenseDueToChangeInRedemptionValue
/ dei_LegalEntityAxis
= pzza_ColonelsLimitedLLCMember