Note 12 - Income Taxes - Components of the Provision for Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2019	Dec. 01, 2018	Dec. 02, 2017
U.S. federal	$ 9,122	$ 9,652	$ 444
State	3,294	1,597	21
Non-U.S.	47,848	37,980	29,557
Total current	60,264	49,229	30,022
U.S. federal	(432)	(50,115)	(7,653)
State	125	(197)	(1,414)
Non-U.S.	(10,549)	(5,273)	(11,145)
Total deferred	(10,856)	(55,585)	(20,212)
Total income tax expense (benefit)	$ 49,408	$ (6,356)	$ 9,810