Note 12 - Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2019	Dec. 01, 2018
Undistributed Earnings, Basic, Total	$ 765,842,000
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	2,175	$ 1,809
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	6,755
Income Tax Examination, Penalties and Interest Expense, Total	59	571
Income Tax Examination, Penalties and Interest Accrued, Total	1,142	$ 1,190
Foreign Tax Authority [Member]
Operating Loss Carryforwards, Total	94,378
Foreign Tax Authority [Member] | Indefinite [Member]
Operating Loss Carryforwards, Total	52,914
Foreign Tax Authority [Member] | Tax Year 2020 to 2037 [Member]
Operating Loss Carryforwards, Total	41,464
State and Local Jurisdiction [Member]
Operating Loss Carryforwards, Total	$ 2,118