Note 11 - Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 02, 2017	Dec. 03, 2016
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ (2,656)
Undistributed Earnings, Basic	529,800
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	27,197	$ 11,593
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	8,515
Income Tax Examination, Penalties and Interest Expense	153	87
Income Tax Examination, Penalties and Interest Accrued	393	$ 676
Foreign Tax Authority [Member]
Operating Loss Carryforwards	108,138
Foreign Tax Authority [Member] | Indefinite [Member]
Operating Loss Carryforwards	57,799
Foreign Tax Authority [Member] | Tax Year 2016 to 2025 [Member]
Operating Loss Carryforwards	$ 50,339