Note 5 - Goodwill and Other Intangible Assets - Amortizable Intangible Assets (Details) - USD ($) $ in Thousands	May 28, 2022	Nov. 27, 2021
Original cost	$ 1,189,160	$ 1,123,510
Accumulated amortization	(452,077)	(436,928)
Net identifiable intangibles	737,083	686,582
Purchased Technology And Patents [Member]
Original cost	120,094	115,980
Accumulated amortization	(64,174)	(62,364)
Net identifiable intangibles	55,920	53,616
Customer Relationships [Member]
Original cost	1,008,089	932,644
Accumulated amortization	(362,491)	(335,143)
Net identifiable intangibles	645,598	597,501
Trade Names [Member]
Original cost	49,929	63,543
Accumulated amortization	(19,614)	(33,786)
Net identifiable intangibles	30,315	29,757
Other Intangible Assets [Member]
Original cost	11,048	11,343
Accumulated amortization	(5,798)	(5,635)
Net identifiable intangibles	$ 5,250	$ 5,708