Note 7 - Pension and Postretirement Benefits - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 03, 2023	May 28, 2022	Jun. 03, 2023	May 28, 2022
UNITED STATES
Net periodic (benefit) cost	$ (3,095)	$ (3,737)	$ (6,190)	$ (7,475)
Foreign Plan [Member]
Net periodic (benefit) cost	599	3,748	1,207	4,175
Pension Plan [Member] | UNITED STATES
Service cost	0	0	0	0
Interest cost	3,475	2,368	6,951	4,735
Expected return on assets	(7,205)	(7,117)	(14,412)	(14,235)
Prior service (benefit) cost	0	(1)	0	(2)
Actuarial loss (gain)	635	1,013	1,271	2,027
Settlement charge	0	0	0	0
Pension Plan [Member] | Foreign Plan [Member]
Service cost	413	700	833	1,420
Interest cost	1,410	736	2,846	1,525
Expected return on assets	(1,730)	(1,644)	(3,492)	(3,391)
Prior service (benefit) cost	15	16	30	32
Actuarial loss (gain)	491	611	990	1,260
Settlement charge	0	3,329	0	3,329
Other Postretirement Benefits Plan [Member]
Service cost	0	0	0	0
Interest cost	301	184	602	367
Expected return on assets	(2,465)	(2,719)	(4,929)	(5,437)
Prior service (benefit) cost	0	0	0	0
Actuarial loss (gain)	0	(845)	0	(1,690)
Settlement charge	0	0	0	0
Net periodic (benefit) cost	$ (2,164)	$ (3,380)	$ (4,327)	$ (6,760)