Note 10 - Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Details) (Parentheticals) - USD ($) $ in Thousands	Sep. 01, 2018	Dec. 02, 2017
Tax on interest swap	$ (7,006)
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
Tax on defined benefit pension plans adjustment	72,657	$ 74,382
Tax on interest swap		(1,183)
AOCI Attributable to Parent [Member]
Tax on defined benefit pension plans adjustment	$ 72,657	74,382
Tax on interest swap		$ (1,183)