Note 5 - Goodwill and Other Intangible Assets - Amortizable Intangible Assets (Details) - USD ($) $ in Thousands	Nov. 30, 2024	Dec. 02, 2023
Original cost	$ 1,285,834	$ 1,200,628
Impairment	(6,109)
Accumulated amortization	(509,960)	(471,962)
Net identifiable intangibles	$ 769,765	$ 728,666
Weighted-average useful lives (in years) (Year)	16 years	16 years
Purchased Technology And Patents [Member]
Original cost	$ 145,313	$ 144,763
Impairment	(343)
Accumulated amortization	(55,398)	(59,631)
Net identifiable intangibles	$ 89,572	$ 85,132
Weighted-average useful lives (in years) (Year)	13 years	13 years
Customer Relationships [Member]
Original cost	$ 1,063,210	$ 986,470
Impairment	(5,616)
Accumulated amortization	(418,805)	(382,220)
Net identifiable intangibles	$ 638,789	$ 604,250
Weighted-average useful lives (in years) (Year)	16 years	16 years
Trade Names [Member]
Original cost	$ 67,280	$ 58,484
Impairment	(150)
Accumulated amortization	(28,745)	(23,099)
Net identifiable intangibles	$ 38,385	$ 35,385
Weighted-average useful lives (in years) (Year)	13 years	13 years
Other Intangible Assets [Member]
Original cost	$ 10,031	$ 10,911
Impairment	0
Accumulated amortization	(7,012)	(7,012)
Net identifiable intangibles	$ 3,019	$ 3,899
Weighted-average useful lives (in years) (Year)	13 years	13 years