Note 3 - Restructuring Actions - Restructuring Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Feb. 26, 2022	Feb. 27, 2021	Nov. 27, 2021
Balance	$ 1,095	$ 6,082	$ 6,082
Expenses incurred	(241)	1,817	787
Non-cash charges			(135)
Cash payments	(288)		(5,624)
Foreign currency translation	(18)		(15)
Balance	548		1,095
Employee Related [Member]
Balance	1,095	5,834	5,834
Expenses incurred	(241)		(807)
Non-cash charges			0
Cash payments	(288)		(3,917)
Foreign currency translation	(18)		(15)
Balance	548		1,095
Other Restructuring [Member]
Balance	0	$ 248	248
Expenses incurred	0		1,594
Non-cash charges			(135)
Cash payments	0		(1,707)
Foreign currency translation	0		0
Balance	$ 0		$ 0