Note 6 - Inventories - Activity in Reserves for Excess Quantities and Obsolete Inventory by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 24, 2018	Nov. 25, 2017
Balance	$ 1,895	$ 1,350
Additions charged to expense	2,309	2,232
Write-offs	(2,548)	(1,687)
Acquired reserve on inventory (Note 3)	110
Balance	1,766	1,895
Operating Segments [Member] | Wholesale Segment [Member]
Balance	1,618	1,061
Additions charged to expense	1,884	1,757
Write-offs	(2,112)	(1,200)
Acquired reserve on inventory (Note 3)	110
Balance	1,500	1,618
Operating Segments [Member] | Retail Segment [Member]
Balance	277	289
Additions charged to expense	425	475
Write-offs	(436)	(487)
Acquired reserve on inventory (Note 3)
Balance	$ 266	$ 277