Note 5 - Goodwill and Other Intangible Assets - Amortizable Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 01, 2025	Nov. 30, 2024
Original cost	$ 1,269,416	$ 1,285,834
Accumulated amortization	(435,353)	(509,960)
Net identifiable intangibles	834,063	769,765
Impairment		(6,109)
Purchased Technology And Patents [Member]
Original cost	202,237	145,313
Accumulated amortization	(38,857)	(55,398)
Net identifiable intangibles	163,380	89,572
Impairment		(343)
Customer Relationships [Member]
Original cost	978,972	1,063,210
Accumulated amortization	(360,415)	(418,805)
Net identifiable intangibles	618,557	638,789
Impairment		(5,616)
Trade Names [Member]
Original cost	78,104	67,280
Accumulated amortization	(28,882)	(28,745)
Net identifiable intangibles	49,222	38,385
Impairment		(150)
Other Intangible Assets [Member]
Original cost	10,103	10,031
Accumulated amortization	(7,199)	(7,012)
Net identifiable intangibles	$ 2,904	3,019
Impairment