Note 10 - Financial Instruments - Gains (Losses) on Derivative Instruments (Details) - USD ($) $ in Thousands		3 Months Ended
		Feb. 26, 2022	Feb. 27, 2021
Interest Rate Swap [Member]
Derivative instruments	[1]	$ 8,255	$ 5,537
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Currency Swap [Member]
Derivative instruments		(2,115)	(1,062)
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivative instruments		$ 8,255	$ 5,537

[1] Income (loss) reclassified from AOCI into earnings is reported in other income, net.