Note 11 - Income Taxes - Reconciliation of Effective Income Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Dec. 03, 2022
Tax at statutory U.S. federal income tax rate	$ 38,359	$ 49,174	$ 52,760
State income taxes, net of federal benefit	(307)	1,137	1,252
Foreign dividend repatriation	1,943	21,730	2,596
Foreign operations	13,232	12,558	1,868
Executive compensation over $1.0 million	1,690	784	2,847
Non-U.S. stock option expense	676	730	525
Change in valuation allowance	(1,800)	725	3,187
Research and development tax credit	(1,460)	(1,400)	(927)
Foreign-derived intangible income	(625)	(2,665)	(2,786)
Global intangible low-taxed income	1,581	2,345	1,890
Provision to return	(1,595)	1,336	840
Cross currency swap	0	0	7,020
Contingency reserve	3,416	5,951	5,909
Excess Tax Benefit Related to Stock Options & Restricted Stock	(3,083)	(850)	(2,016)
Goodwill Impairment Related to Flooring	2,373	0	0
Other	1,981	1,974	2,221
Total income tax expense	$ 56,381	$ 93,529	$ 77,186