Note 3 - Restructuring Actions - Restructuring Reserve (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 28, 2020	Nov. 30, 2019
Balance	$ 10,754	$ 4,256
Restructuring Charges	4,579	14,535
Non-cash charges		(968)
Cash payments	(9,408)	(6,997)
Foreign currency translation	157	(72)
Balance	6,082	10,754
Employee Related [Member]
Balance	9,830	4,256
Restructuring Charges	2,898	9,140
Non-cash charges		0
Cash payments	(7,051)	(3,494)
Foreign currency translation	157	(72)
Balance	5,834	9,830
Asset Related [Member]
Balance	0	0
Restructuring Charges	0	1,929
Non-cash charges		(968)
Cash payments	0	(961)
Foreign currency translation	0	0
Balance	0	0
Other Restructuring [Member]
Balance	924	0
Restructuring Charges	1,681	3,466
Non-cash charges		0
Cash payments	(2,357)	(2,542)
Foreign currency translation	0	0
Balance	$ 248	$ 924