Note 6 - Inventories - Activity in Reserves for Excess Quantities and Obsolete Inventory by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2024	Nov. 25, 2023	Nov. 26, 2022
Balance	$ 5,183	$ 5,167
Additions charged to expense	5,001	4,626	$ 3,648
Write-offs	(4,789)	(4,610)
Balance	5,395	5,183	5,167
Operating Segments [Member] | Wholesale Segment [Member]
Balance	4,145	4,103
Additions charged to expense	4,284	3,876
Write-offs	(4,271)	(3,834)
Balance	4,158	4,145	4,103
Operating Segments [Member] | Retail Segment [Member]
Balance	1,038	1,064
Additions charged to expense	717	750
Write-offs	(518)	(776)
Balance	$ 1,237	$ 1,038	$ 1,064