Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 26, 2022	Nov. 27, 2021	Nov. 26, 2022	Nov. 27, 2021
Sales and operating income data
Net sales	$ 367,847	$ 334,217	$ 1,096,591	$ 986,020
Operating income (loss)	34,761	17,710	100,049	30,684
Intersegment eliminations
Sales and operating income data
Net sales	(7,398)	(14,289)	(28,878)	(33,504)
Architectural Framing Systems
Sales and operating income data
Net sales	165,013	141,462	501,172	415,203
Operating income (loss)	22,089	12,085	66,266	28,837
Architectural Services
Sales and operating income data
Net sales	102,031	105,404	312,151	292,506
Operating income (loss)	6,032	7,807	14,449	19,172
Architectural Glass
Sales and operating income data
Net sales	81,541	74,289	235,158	236,693
Operating income (loss)	7,461	(1,277)	19,087	(16,143)
Large-Scale Optical
Sales and operating income data
Net sales	26,660	27,351	76,988	75,122
Operating income (loss)	7,109	5,996	19,598	17,326
Corporate and other
Sales and operating income data
Operating income (loss)	$ (7,930)	$ (6,901)	$ (19,351)	$ (18,508)