Note 11 - Restructuring, Asset Impairment, and Other Charges (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	3 Months Ended	9 Months Ended
Aug. 25, 2012	Aug. 25, 2012 Bassett [Member] Demolition of Closed Facility [Member]	May 26, 2012 Mt. Airy [Member] Write-down of Closed Facility [Member]	Aug. 25, 2012 Richmond [Member] Write-off of Leasehold Improvements [Member]	Aug. 25, 2012 Richmond [Member] Lease Exit [Member]
Note 11 - Restructuring, Asset Impairment, and Other Charges (Details) [Line Items]
Restructuring, Settlement and Impairment Provisions	$ 711	$ 203	$ 385	$ 123
Gain (Loss) on Contract Termination	$ (359)				$ (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=31042434&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

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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