Note 5 - Inventories - Activity in Reserves for Excess Quantities and Obsolete Inventory by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 27, 2021	Nov. 28, 2020	Nov. 30, 2019
Balance	$ 4,522	$ 2,362
Additions charged to expense	2,969	4,922	$ 2,254
Write-offs	(2,675)	(2,762)
Balance	4,816	4,522	2,362
Operating Segments [Member] | Wholesale Segment [Member]
Balance	3,421	2,054
Additions charged to expense	2,057	3,745
Write-offs	(1,795)	(2,378)
Balance	3,683	3,421	2,054
Operating Segments [Member] | Retail Segment [Member]
Balance	1,101	308
Additions charged to expense	912	1,177
Write-offs	(880)	(384)
Balance	$ 1,133	$ 1,101	$ 308