Business Segment Information Business Segment Information (Details Textuals)	12 Months Ended
Dec. 27, 2016 USD ($) segments	Dec. 29, 2015 USD ($)	Dec. 30, 2014 USD ($)
Business Segment Information [Abstract]
Refranchising loss \| $	$ 9,072,000	$ 17,108,000	$ 0
Number Of Business Segments (in segments) \| segments	3
Maximum Delivered Cost On Fresh Dough Based On Retail Value Of End Product (as a percent)	27.00%

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

No definition available.

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration