Note 5 - Goodwill and Other Intangible Assets - Amortizable Intangible Assets (Details) - USD ($) $ in Thousands	Aug. 30, 2025	Nov. 30, 2024
Original cost	$ 1,316,821	$ 1,285,834
Accumulated amortization	(487,391)	(509,960)
Net identifiable intangibles	829,430	769,765
Impairment		(6,109)
Purchased Technology And Patents [Member]
Original cost	225,700	145,313
Accumulated amortization	(48,520)	(55,398)
Net identifiable intangibles	177,180	89,572
Impairment		(343)
Customer Relationships [Member]
Original cost	1,000,997	1,063,210
Accumulated amortization	(400,390)	(418,805)
Net identifiable intangibles	600,607	638,789
Impairment		(5,616)
Trade Names [Member]
Original cost	82,194	67,280
Accumulated amortization	(33,171)	(28,745)
Net identifiable intangibles	49,023	38,385
Impairment		(150)
Other Intangible Assets [Member]
Original cost	7,930	10,031
Accumulated amortization	(5,310)	(7,012)
Net identifiable intangibles	$ 2,620	3,019
Impairment		$ 0