Note 3 - Restructuring Actions - Restructuring Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Aug. 27, 2022	Aug. 28, 2021	Aug. 27, 2022	Aug. 28, 2021	Nov. 27, 2021
Balance			$ 1,095	$ 6,082	$ 6,082
Expenses incurred	$ (222)	$ (192)	(449)	1,447	787
Non-cash charges					(135)
Cash payments			(529)		(5,624)
Foreign currency translation			(47)		(15)
Balance	70		70		1,095
Employee Related [Member]
Balance			1,095	5,834	5,834
Expenses incurred			(449)		(807)
Non-cash charges					0
Cash payments			(529)		(3,917)
Foreign currency translation			(47)		(15)
Balance	70		70		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		$ 0