Note 5 - Goodwill and Other Intangible Assets - Amortizable Intangible Assets (Details) - USD ($) $ in Thousands	Nov. 29, 2025	Nov. 30, 2024
Purchased Technology And Patents [Member]
Original cost	$ 232,522	$ 155,344
Impairment	0	(343)
Accumulated amortization	(57,778)	(62,410)
Net identifiable intangibles	$ 174,744	$ 92,591
Weighted-average useful lives (in years) (Year)	14 years	13 years
Customer Relationships [Member]
Original cost	$ 998,889	$ 1,063,210
Impairment	0	(5,616)
Accumulated amortization	(414,706)	(418,805)
Net identifiable intangibles	$ 584,183	$ 638,789
Weighted-average useful lives (in years) (Year)	16 years	16 years
Trade Names [Member]
Original cost	$ 81,228	$ 67,280
Impairment	(734)	(150)
Accumulated amortization	(33,554)	(28,745)
Net identifiable intangibles	$ 46,940	$ 38,385
Weighted-average useful lives (in years) (Year)	13 years	13 years
Other Intangible Assets [Member]
Original cost	$ 1,312,639	$ 1,285,834
Impairment	(734)	(6,109)
Accumulated amortization	(506,038)	(509,960)
Net identifiable intangibles	$ 805,867	$ 769,765
Weighted-average useful lives (in years) (Year)	16 years	16 years