Note 6 - Inventories - Activity in Reserves for Excess Quantities and Obsolete Inventory by Segment (Details) $ in Thousands	9 Months Ended
	Aug. 25, 2018 USD ($)
Balance, beginning	$ 1,895
Acquired reserve on inventory (Note 3)	50
Additions charged to expense	1,330
Write-offs	(1,559)
Balance, ending	1,716
Operating Segments [Member] | Wholesale Segment [Member]
Balance, beginning	1,618
Acquired reserve on inventory (Note 3)	50
Additions charged to expense	1,026
Write-offs	(1,237)
Balance, ending	1,457
Operating Segments [Member] | Retail Segment [Member]
Balance, beginning	277
Acquired reserve on inventory (Note 3)
Additions charged to expense	304
Write-offs	(322)
Balance, ending	$ 259