Note 7 - 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. 01, 2019	Jun. 02, 2018	Jun. 01, 2019	Jun. 02, 2018
Pension Plan [Member] | UNITED STATES
Service cost	$ 1	$ 14	$ 2	$ 28
Interest cost	3,673	3,419	7,346	6,837
Expected return on assets	(6,326)	(6,541)	(12,652)	(13,083)
Prior service cost (benefit)	3	7	6	14
Actuarial loss	1,169	1,476	2,338	2,952
Net periodic (benefit) cost	(1,480)	(1,625)	(2,960)	(3,252)
Pension Plan [Member] | Foreign Plan [Member]
Service cost	562	582	1,130	1,180
Interest cost	1,189	1,181	2,373	2,385
Expected return on assets	(2,606)	(2,811)	(5,193)	(5,675)
Prior service cost (benefit)	16	(1)	32	(2)
Actuarial loss	786	732	1,575	1,481
Net periodic (benefit) cost	(53)	(317)	(83)	(631)
Other Postretirement Benefits Plan [Member]
Service cost	25	43	49	86
Interest cost	388	371	775	742
Expected return on assets	(1,754)	(1,724)	(3,507)	(3,448)
Prior service cost (benefit)
Actuarial loss	9	15	17	30
Net periodic (benefit) cost	$ (1,332)	$ (1,295)	$ (2,666)	$ (2,590)