Note 11 - Income Taxes - Components of the Provision for Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 01, 2018	Dec. 02, 2017	Dec. 03, 2016
U.S. federal	$ 9,652	$ 444	$ 14,515
State	1,597	21	2,789
Non-U.S.	37,980	29,557	27,788
Total current	49,229	30,022	45,092
U.S. federal	(50,115)	(7,653)	5,051
State	(197)	(1,414)	979
Non-U.S.	(5,273)	(11,145)	(2,202)
Total deferred	(55,585)	(20,212)	3,828
Total income tax expense (benefit)	$ (6,356)	$ 9,810	$ 48,920