Note 12 - Financial Instruments - Gains (Losses) on Derivative Instruments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 01, 2018	Dec. 02, 2017	Dec. 03, 2016
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Other Operating Income (Expense) [Member]
Pretax gain (loss) recognized in income	$ 2,776	$ (3,797)	$ 4,772
Cash Flow Hedging [Member] | Currency Swap [Member] | Designated as Hedging Instrument [Member]
Pretax gain (loss) recognized in other comprehensive income	(4,047)	(6,538)	68
Cash Flow Hedging [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Pretax gain (loss) recognized in other comprehensive income	$ 25,819	$ 3,060	$ 63