Note 11 - Income Taxes - Reconciliation of Effective Income Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 29, 2025	Nov. 30, 2024	Dec. 02, 2023
Tax at statutory U.S. federal income tax rate	$ 45,238	$ 38,359	$ 49,174
State income taxes, net of federal benefit	1,635	(307)	1,137
Foreign dividend repatriation	12,567	1,943	21,730
Foreign operations	13,620	13,232	12,558
Executive compensation over $1.0 million	1,834	1,690	784
Non-U.S. stock option expense	630	676	730
Change in valuation allowance	398	(1,800)	725
Research and development tax credit	(1,480)	(1,460)	(1,400)
Foreign-derived intangible income	(1,718)	(625)	(2,665)
Global intangible low-taxed income	2,124	1,581	2,345
Provision to return	1,314	(1,595)	1,336
Contingency reserve	(10,778)	3,416	5,951
Excess tax benefit related to stock options and restricted stock	(248)	(3,083)	(850)
Goodwill impairment related to North America Flooring	0	2,373	0
Other	1,993	1,981	1,974
Total income tax expense	$ 67,129	$ 56,381	$ 93,529