Note 5 - Components of Accumulaed Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	Aug. 27, 2016	Nov. 28, 2015
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
Foreign currency translation adjustment	$ (47,732)	$ (51,592)
Defined benefit pension plans adjustment, net of taxes of $90,289	(169,368)	(174,400)
Interest rate swap, net of taxes of ($10)	17	(13)
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	(1,473)	(1,317)
Accumulated other comprehensive loss	(218,556)	(227,322)
AOCI Attributable to Parent [Member]
Foreign currency translation adjustment	(47,694)	(51,554)
Defined benefit pension plans adjustment, net of taxes of $90,289	(169,368)	(174,400)
Interest rate swap, net of taxes of ($10)	17	(13)
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	(1,473)	(1,317)
Accumulated other comprehensive loss	(218,518)	(227,284)
AOCI Attributable to Noncontrolling Interest [Member]
Foreign currency translation adjustment	(38)	(38)
Defined benefit pension plans adjustment, net of taxes of $90,289
Interest rate swap, net of taxes of ($10)
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax
Accumulated other comprehensive loss	(38)	(38)
Accumulated other comprehensive loss	$ (218,518)	$ (227,284)