Note 11 - Operating Segments (Details Textual)	9 Months Ended	12 Months Ended
Aug. 27, 2016	Nov. 28, 2015
Number of Reportable Segments	5	4

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