Schedule of Segment Information (Parenthetical) (Detail) (BIBP Commodities, Inc. [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 26, 2010
BIBP Commodities, Inc. [Member]
Segment Reporting Information [Line Items]
Intercompany cost of sales	$ 14.2

Represents a decrease in cost of sales recognized by the VIE and a corresponding increase in cost of sales recorded by PJFS.

No definition available.

Name:	pzza_IntercompanyTransactions
Namespace Prefix:	pzza_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration