Note 6 - Inventories - Activity in Reserves for Excess Quantities and Obsolete Inventory by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 26, 2016	Nov. 28, 2015
Balance	$ 1,397	$ 1,412
Additions charged to expense	2,469	2,872
Write-offs	(2,516)	(2,887)
Balance	1,350	1,397
Operating Segments [Member] | Wholesale Segment [Member]
Balance	1,087	1,060
Additions charged to expense	1,994	2,442
Write-offs	(2,020)	(2,415)
Balance	1,061	1,087
Operating Segments [Member] | Retail Segment [Member]
Balance	310	352
Additions charged to expense	475	430
Write-offs	(496)	(472)
Balance	$ 289	$ 310