Note 10 - Pension and Postretirement Benefits - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 03, 2022	Nov. 27, 2021	Nov. 28, 2020
Net periodic (benefit) cost	$ (13,781)	$ (8,029)	$ (6,706)
UNITED STATES
Net periodic (benefit) cost	(15,237)	(18,629)	(6,828)
Foreign Plan [Member]
Net periodic (benefit) cost	4,996	(2,005)	(1,230)
Pension Plan [Member] | UNITED STATES
Service cost	0	0	0
Interest cost	9,653	9,299	11,738
Expected return on assets	(29,018)	(31,123)	(25,758)
Prior service cost (benefit)	(3)	(3)	(3)
Actuarial loss	4,132	3,198	7,195
Curtailment loss	0	0	0
Settlement charge	0	0	0
Pension Plan [Member] | Foreign Plan [Member]
Service cost	2,765	3,280	2,950
Interest cost	2,893	2,941	3,158
Expected return on assets	(6,465)	(12,348)	(11,312)
Prior service cost (benefit)	63	69	64
Actuarial loss	2,411	4,053	3,829
Curtailment loss	0	0	14
Settlement charge	3,329	0	67
Other Postretirement Benefits Plan [Member]
Service cost	0	21	73
Interest cost	748	822	1,135
Expected return on assets	(11,084)	(8,945)	(7,976)
Prior service cost (benefit)	0	0	0
Actuarial loss	(3,445)	73	62
Curtailment loss	0	0	0
Settlement charge	$ 0	$ 0	$ 0