Note 5 - Goodwill and Other Intangible Assets - Amortizable Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 01, 2018	Dec. 02, 2017
Original cost	$ 1,197,198	$ 1,211,131
Accumulated amortization	(267,494)	(209,859)
Net identifiable intangibles	929,704	1,001,272
Purchased Technology And Patents [Member]
Original cost	130,971	132,495
Accumulated amortization	(35,024)	(27,478)
Net identifiable intangibles	95,947	105,017
Customer Relationships [Member]
Original cost	956,923	968,060
Accumulated amortization	(184,777)	(144,964)
Net identifiable intangibles	772,146	823,096
Other Intangible Assets [Member]
Original cost	109,304	110,576
Accumulated amortization	(47,693)	(37,417)
Net identifiable intangibles	$ 61,611	$ 73,159