Note 7 - Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Details) (Parentheticals) - USD ($) $ in Thousands	May 29, 2021	Nov. 28, 2020
Tax on interest swap	$ 5,306
Tax on cash flow hedge	(88)
Tax on defined benefit pension plans adjustment	$ 79,696
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
Tax on interest swap		$ 8,639
Tax on cash flow hedge		(121)
Tax on defined benefit pension plans adjustment		$ 80,656