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Business Segment Information Business Segment Information (Detail Textuals)
3 Months Ended
Mar. 31, 2015
segments
Segment Reporting [Abstract]  
Maximum Delivered Cost On Fresh Dough Based On Retail Value Of End Product (as a percent) 27.00%pnra_MaximumDeliveredCostOnFreshDoughBasedOnRetailValueOfEndProduct
Segment Reporting Information Number Of Business Segments (in segments) 3us-gaap_NumberOfReportableSegments