Note 10 - Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Details) (Parentheticals) - USD ($) $ in Thousands	Sep. 02, 2017	Dec. 03, 2016
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
Tax on cash flow hedges	$ 780	$ 785
Tax on defined benefit pension plans adjustment	88,265	90,734
Tax on interest rate swap	(36)	(17)
AOCI Attributable to Parent [Member]
Tax on cash flow hedges	780	785
Tax on defined benefit pension plans adjustment	88,265	90,734
Tax on interest rate swap	$ (36)	$ (17)