Note 3 - Restructuring Actions - Restructuring Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Feb. 29, 2020	Mar. 02, 2019	Nov. 30, 2019
Balance	$ 10,754	$ 4,256	$ 4,256
Expenses incurred	43	1,453	14,535
Non-cash charges			(968)
Cash payments	(3,425)		(6,997)
Foreign currency translation	2		(72)
Balance	7,374		10,754
Employee Related [Member]
Balance	9,830	4,256	4,256
Expenses incurred	(379)		9,140
Non-cash charges			0
Cash payments	(2,666)		(3,494)
Foreign currency translation	2		(72)
Balance	6,787		9,830
Asset Related [Member]
Balance	0	0	0
Expenses incurred	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	0
Expenses incurred	422		3,466
Non-cash charges			0
Cash payments	(759)		(2,542)
Foreign currency translation	0		0
Balance	$ 587		$ 924