Note 6 - Components of Net Periodic Benefit Related to Pension and Other Postretirement Benefit Plans - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 01, 2025	Mar. 02, 2024
Pension Plan [Member] | UNITED STATES
Service cost	$ 0	$ 0
Interest cost	3,242	3,464
Expected return on assets	(5,717)	(6,555)
Prior service cost	0	0
Actuarial loss	1,953	1,159
Net periodic (benefit) cost	(522)	(1,932)
Pension Plan [Member] | Foreign Plan [Member]
Service cost	368	350
Interest cost	1,442	1,569
Expected return on assets	(1,624)	(1,637)
Prior service cost	28	16
Actuarial loss	475	513
Net periodic (benefit) cost	689	811
Other Postretirement Benefits Plan [Member]
Service cost	0	0
Interest cost	249	291
Expected return on assets	(3,484)	(2,727)
Prior service cost	0	0
Actuarial loss	(2,277)	0
Net periodic (benefit) cost	$ (5,512)	$ (2,436)