Note 10 - Pension and Postretirement Benefits - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 02, 2023	Dec. 03, 2022	Nov. 27, 2021
Net periodic (benefit) cost	$ (8,654)	$ (13,781)	$ (8,029)
UNITED STATES
Net periodic (benefit) cost	(12,379)	(15,237)	(18,629)
Foreign Plan [Member]
Net periodic (benefit) cost	2,443	4,996	(2,005)
Pension Plan [Member] | UNITED STATES
Service cost	0	0	0
Interest cost	13,901	9,653	9,299
Expected return on assets	(28,821)	(29,018)	(31,123)
Prior service (benefit) cost	0	(3)	(3)
Actuarial loss (gain)	2,541	4,132	3,198
Settlement charge	0	0	0
Pension Plan [Member] | Foreign Plan [Member]
Service cost	1,670	2,765	3,280
Interest cost	5,726	2,893	2,941
Expected return on assets	(7,027)	(6,465)	(12,348)
Prior service (benefit) cost	62	63	69
Actuarial loss (gain)	1,993	2,411	4,053
Settlement charge	19	3,329	0
Other Postretirement Benefits Plan [Member]
Service cost	0	0	21
Interest cost	1,205	748	822
Expected return on assets	(9,859)	(11,084)	(8,945)
Prior service (benefit) cost	0	0	0
Actuarial loss (gain)	0	(3,445)	73
Settlement charge	$ 0	$ 0	$ 0