Note 11 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 01, 2018	Sep. 02, 2017	Sep. 01, 2018	Sep. 02, 2017	Dec. 02, 2017
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability and Transition Tax			$ (35,600)
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability			(76,400)
Income Tax Expense (Benefit) Continuing Operations Adjustment Transition Tax on Foreign Earnings and Profits Previously Indefinitely Reinvested and Future Estimates of Assets and Liabilities			40,800
Income Tax Expense (Benefit), Total	$ 9,300	$ 9,262	(9,844)	$ 26,178
Unrecognized Tax Benefits, Ending Balance	8,524		8,524		$ 8,887
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total	795		795
Unrecognized Tax Benefits, Period Increase (Decrease), Total			363
Accounting Standards Update 2016-09 [Member]
Income Tax Expense (Benefit), Total	$ (266)		$ (1,095)