Note 4 - Supplemental Financial Statement Information - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	Nov. 28, 2020	Nov. 30, 2019	Dec. 01, 2018
Total accumulated other comprehensive loss	$ (302,859)	$ (343,600)
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
Foreign currency translation adjustment	(106,140)	(147,821)	$ (127,398)
Interest rate swap, net of taxes of $8,153	(25,103)	(13,338)	21,693
Cash flow hedges, net of taxes of ($121)	7,969	1,763	(12,057)
Defined benefit pension plans adjustment, net of taxes of $80,656	(161,379)	(165,968)	(144,140)
Reclassification of AOCI tax effects	(18,341)	(18,341)	(18,341)
Total accumulated other comprehensive loss	(302,994)	(343,705)	(280,243)
AOCI Attributable to Parent [Member]
Foreign currency translation adjustment	(106,005)	(147,716)	(127,307)
Interest rate swap, net of taxes of $8,153	(25,103)	(13,338)	21,693
Cash flow hedges, net of taxes of ($121)	7,969	1,763	(12,057)
Defined benefit pension plans adjustment, net of taxes of $80,656	(161,379)	(165,968)	(144,140)
Reclassification of AOCI tax effects	(18,341)	(18,341)	(18,341)
Total accumulated other comprehensive loss	(302,859)	(343,600)	(280,152)
AOCI Attributable to Noncontrolling Interest [Member]
Foreign currency translation adjustment	(135)	(105)	(91)
Interest rate swap, net of taxes of $8,153	0	0	0
Cash flow hedges, net of taxes of ($121)	0	0	0
Defined benefit pension plans adjustment, net of taxes of $80,656	0	0	0
Reclassification of AOCI tax effects	0	0	0
Total accumulated other comprehensive loss	$ (135)	$ (105)	$ (91)