Note 11 - Asset Disposition and Accured Lease Exit Costs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	3 Months Ended
Aug. 30, 2014	Aug. 30, 2014	Aug. 31, 2013	Mar. 01, 2014 Henderson, Nevada [Member]	Aug. 30, 2014 Denver, Colorado [Member]
Note 11 - Asset Disposition and Accured Lease Exit Costs (Details) [Line Items]
Proceeds from Sale of Property Held-for-sale	$ 3,750	$ 5,157	$ 958	$ 1,407	$ 3,750

The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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