Note 4 - Goodwill and Other Intangible Assets - Amortizable Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 02, 2019	Dec. 01, 2018
Original cost	$ 1,171,434	$ 1,172,384
Accumulated amortization	(279,601)	(264,726)
Net identifiable intangibles	891,833	907,658
Purchased Technology And Patents [Member]
Original cost	118,429	118,930
Accumulated amortization	(43,521)	(41,503)
Net identifiable intangibles	74,908	77,427
Customer Relationships [Member]
Original cost	958,867	953,929
Accumulated amortization	(192,035)	(175,318)
Net identifiable intangibles	766,832	778,611
Trade Names [Member]
Original cost	66,575	65,975
Accumulated amortization	(22,965)	(21,573)
Net identifiable intangibles	43,610	44,402
Other Intangible Assets [Member]
Original cost	27,563	33,550
Accumulated amortization	(21,080)	(26,332)
Net identifiable intangibles	$ 6,483	$ 7,218