Restructuring and Related Activities (Details 2) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	May 29, 2021	Nov. 27, 2021	Feb. 27, 2021	Feb. 29, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance		$ 3,285	$ 3,263	$ 0
Restructuring expense	$ 4,574	4,089
Payments	(1,311)	(3,798)
Other adjustments		(269)
Restructuring Reserve, Ending Balance		3,285	3,263	0
Architectural Framing Systems
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance		1,735	2,872	0
Restructuring expense	4,020	1,984
Payments	(1,148)	(2,852)
Other adjustments		(269)
Restructuring Reserve, Ending Balance		1,735	2,872	0
Architectural Glass
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance		760	230	0
Restructuring expense	325	884
Payments	(95)	(354)
Other adjustments		0
Restructuring Reserve, Ending Balance		760	230	0
Corporate and Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance		790	161	0
Restructuring expense	229	1,221
Payments	$ (68)	(592)
Other adjustments		0
Restructuring Reserve, Ending Balance		$ 790	$ 161	$ 0