Restructuring and Related Activities (Reserve Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 26, 2022	Feb. 27, 2021	Feb. 29, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning balance	$ 1,405	$ 3,263	$ 0
Restructuring and Related Cost, Incurred Cost	4,075	4,574
Payments	(5,068)	(1,311)
Other adjustments	(865)
Restructuring Reserve, Ending Balance	1,405	3,263	0
Architectural Framing Systems
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning balance	440	2,872	0
Restructuring and Related Cost, Incurred Cost	2,000	4,020
Payments	(3,567)	(1,148)
Other adjustments	(865)
Restructuring Reserve, Ending Balance	440	2,872	0
Architectural Glass Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning balance	737	230	0
Restructuring and Related Cost, Incurred Cost	1,036	325
Payments	(529)	(95)
Other adjustments	0
Restructuring Reserve, Ending Balance	737	230	0
Corporate and other
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning balance	228	161	0
Restructuring and Related Cost, Incurred Cost	1,039	229
Payments	(972)	(68)
Other adjustments	0
Restructuring Reserve, Ending Balance	$ 228	$ 161	$ 0