Note 3 - Restructuring Actions - Restructuring Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	May 30, 2020	Jun. 01, 2019	May 30, 2020	Jun. 01, 2019	Nov. 30, 2019
Balance			$ 10,754	$ 4,256	$ 4,256
Expenses incurred	$ 390	$ 1,284	434	2,737	14,535
Non-cash charges					(968)
Cash payments			(5,521)		(6,997)
Foreign currency translation			19		(72)
Balance	5,686		5,686		10,754
Employee Related [Member]
Balance			9,830	4,256	4,256
Expenses incurred			(142)		9,140
Non-cash charges					0
Cash payments			(4,507)		(3,494)
Foreign currency translation			19		(72)
Balance	5,200		5,200		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		0
Other Restructuring [Member]
Balance			924	$ 0	0
Expenses incurred			576		3,466
Non-cash charges					0
Cash payments			(1,014)		(2,542)
Foreign currency translation			0		0
Balance	$ 486		$ 486		$ 924