Note 6 - Inventories - Activity in Reserves for Excess Quantities and Obsolete Inventory by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 26, 2022	Nov. 27, 2021	Nov. 28, 2020
Balance	$ 4,816	$ 4,522
Additions charged to expense	3,648	2,969	$ 4,922
Write-offs	3,297	2,675
Balance	5,167	4,816	4,522
Operating Segments [Member] | Wholesale Segment [Member]
Balance	3,683	3,421
Additions charged to expense	2,577	2,057
Write-offs	2,157	1,795
Balance	4,103	3,683	3,421
Operating Segments [Member] | Retail Segment [Member]
Balance	1,133	1,101
Additions charged to expense	1,071	912
Write-offs	1,140	880
Balance	$ 1,064	$ 1,133	$ 1,101