Note 11 - Impairment Charges and Accrued Lease Exit Costs (Details Textual) - USD ($) $ in Thousands	3 Months Ended
Feb. 27, 2016	Feb. 28, 2015
Leasehold Improvements [Member]
Gain (Loss) on Contract Termination		$ 419
Asset Impairment Charges		106
Gain (Loss) on Contract Termination		(419)
Asset Impairment Charges		$ 106

Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration