Note 5 - Goodwill and Other Intangible Assets - Amortizable Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 03, 2022	Nov. 27, 2021
Original cost	$ 1,184,112	$ 1,123,510
Accumulated amortization	(482,479)	(436,928)
Net identifiable intangibles	$ 701,633	$ 686,582
Weighted-average useful lives (in years) (Year)	16 years	17 years
Purchased Technology And Patents [Member]
Original cost	$ 118,727	$ 115,980
Accumulated amortization	(66,433)	(62,364)
Net identifiable intangibles	$ 52,294	$ 53,616
Weighted-average useful lives (in years) (Year)	13 years	13 years
Customer Relationships [Member]
Original cost	$ 1,004,008	$ 932,644
Accumulated amortization	(388,394)	(335,143)
Net identifiable intangibles	$ 615,614	$ 597,501
Weighted-average useful lives (in years) (Year)	17 years	17 years
Trade Names [Member]
Original cost	$ 50,324	$ 63,543
Accumulated amortization	(21,401)	(33,786)
Net identifiable intangibles	$ 28,923	$ 29,757
Weighted-average useful lives (in years) (Year)	13 years	14 years
Other Intangible Assets [Member]
Original cost	$ 11,053	$ 11,343
Accumulated amortization	(6,251)	(5,635)
Net identifiable intangibles	$ 4,802	$ 5,708
Weighted-average useful lives (in years) (Year)	13 years	12 years