Note 9 - Components of Net Periodic Cost (Benefit) Related to Pension and Other Postretirement Benefit Plans - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 02, 2018	Jun. 03, 2017	Jun. 02, 2018	Jun. 03, 2017
Pension Plan [Member] | UNITED STATES
Service cost	$ 14	$ 28	$ 28	$ 56
Interest cost	3,419	3,603	6,837	7,206
Expected return on assets	(6,541)	(6,364)	(13,083)	(12,728)
Prior service cost	7	7	14	14
Actuarial loss	1,476	1,307	2,952	2,614
Net periodic (benefit) cost	(1,625)	(1,419)	(3,252)	(2,838)
Pension Plan [Member] | Foreign Plan [Member]
Service cost	582	512	1,180	1,020
Interest cost	1,181	1,147	2,385	2,291
Expected return on assets	(2,811)	(2,400)	(5,675)	(4,791)
Prior service cost	(1)	(1)	(2)	(2)
Actuarial loss	732	846	1,481	1,688
Net periodic (benefit) cost	(317)	104	(631)	206
Other Postretirement Benefits Plan [Member]
Service cost	43	52	86	104
Interest cost	371	398	742	796
Expected return on assets	(1,724)	(1,447)	(3,448)	(2,894)
Prior service cost
Actuarial loss	15	253	30	506
Net periodic (benefit) cost	$ (1,295)	$ (744)	$ (2,590)	$ (1,488)