Note 11 - Restructuring, Asset Impairment, and Other Charges (Details) - Activity related to our accrued lease exit costs (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Aug. 31, 2013	Nov. 24, 2012
Activity related to our accrued lease exit costs [Abstract]
Accrued lease exit costs	$ 1,180	$ 2,614
Current portion included in other accrued liabilities	697
Long-term portion included in other long-term liabilities	483
	1,180
Payments on unexpired leases	(1,315)
Adjustments to previous estimates	(187)
Accretion of interest on obligations and other	$ 68