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
	Mar. 04, 2017	Feb. 27, 2016
United States Pension Plan of US Entity [Member]
Service cost	$ 28	$ 27
Interest cost	3,603	3,767
Expected return on assets	(6,364)	(6,077)
Prior service cost	7	7
Actuarial loss	1,307	1,293
Net periodic (benefit) cost	(1,419)	(983)
Foreign Pension Plan [Member]
Service cost	508	480
Interest cost	1,144	1,367
Expected return on assets	(2,391)	(2,482)
Prior service cost	(1)	(1)
Actuarial loss	842	752
Net periodic (benefit) cost	102	116
Other Postretirement Benefit Plan [Member]
Service cost	52	84
Interest cost	398	480
Expected return on assets	(1,447)	(1,342)
Prior service cost		(10)
Actuarial loss	253	532
Net periodic (benefit) cost	$ (744)	$ (256)