Note 4 - Supplemental Financial Statement Information - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	Dec. 02, 2017	Dec. 03, 2016	Nov. 28, 2015
Total accumulated other comprehensive loss	$ (200,655)	$ (262,729)
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
Foreign currency translation adjustment	(56,209)	(85,447)	$ (51,592)
Interest rate swap, net of taxes	1,922	28	(13)
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	(5,322)	(1,275)	(1,317)
Defined benefit pension plans adjustment, net of taxes	(141,171)	(176,101)	(174,400)
Total accumulated other comprehensive loss	(200,730)	(262,795)	(227,322)
AOCI Attributable to Parent [Member]
Foreign currency translation adjustment	(56,134)	(85,381)	(51,554)
Interest rate swap, net of taxes	1,922	28	(13)
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	(5,322)	(1,275)	(1,317)
Defined benefit pension plans adjustment, net of taxes	(141,171)	(176,101)	(174,400)
Total accumulated other comprehensive loss	(200,655)	(262,729)	(227,284)
AOCI Attributable to Noncontrolling Interest [Member]
Foreign currency translation adjustment	(75)	(66)	(38)
Interest rate swap, net of taxes
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax
Defined benefit pension plans adjustment, net of taxes
Total accumulated other comprehensive loss	$ (75)	$ (66)	$ (38)