Note 10 - Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Details) (Parentheticals) - USD ($) $ in Thousands	Mar. 04, 2017	Dec. 03, 2016
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
Tax on defined benefit pension plans adjustment	$ 89,916	$ 90,734
Tax on interest rate swap	(23)	17
Tax on cash flow hedges	705	785
AOCI Attributable to Parent [Member]
Tax on defined benefit pension plans adjustment	89,916	90,734
Tax on interest rate swap	(23)	17
Tax on cash flow hedges	$ 705	$ 785