Note 11 - Restructuring, Asset Impairment, and Other Charges (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Feb. 25, 2012
Restructuring, Settlement and Impairment Provisions	$ 236
Gain (Loss) on Contract Termination	(228)
Bassett [Member] \| Demolition of Closed Facility [Member]
Restructuring, Settlement and Impairment Provisions	113
Richmond [Member] \| Write-off of Leasehold Improvements [Member]
Restructuring, Settlement and Impairment Provisions	123
Richmond [Member] \| Lease Exit [Member]
Gain (Loss) on Contract Termination	$ 228

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 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

Reference 2: 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

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