Note 4 - Supplemental Financial Statement Information - Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Dec. 03, 2022
Balance	$ 11,080	$ 10,939	$ 9,935
Charged to expenses and other adjustments	2,187	1,224	1,794
Write-offs	(1,071)	(1,522)	(851)
Foreign currency translation effect	(575)	439	61
Balance	$ 11,621	$ 11,080	$ 10,939