Note 5 - Goodwill and Other Intangible Assets - Amortizable Intangible Assets (Details) - USD ($) $ in Thousands	Aug. 27, 2022	Nov. 27, 2021
Original cost	$ 1,169,612	$ 1,123,510
Accumulated amortization	(462,356)	(436,928)
Net identifiable intangibles	707,256	686,582
Purchased Technology And Patents [Member]
Original cost	117,440	115,980
Accumulated amortization	(63,926)	(62,364)
Net identifiable intangibles	53,514	53,616
Customer Relationships [Member]
Original cost	991,789	932,644
Accumulated amortization	(372,198)	(335,143)
Net identifiable intangibles	619,591	597,501
Trade Names [Member]
Original cost	49,379	63,543
Accumulated amortization	(20,252)	(33,786)
Net identifiable intangibles	29,127	29,757
Other Intangible Assets [Member]
Original cost	11,004	11,343
Accumulated amortization	(5,980)	(5,635)
Net identifiable intangibles	$ 5,024	$ 5,708