Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
	May 27, 2023	May 28, 2022
Sales and operating income data
Segment net sales	$ 361,713	$ 356,635
Segment operating income (loss)	33,767	33,216
Intersegment eliminations
Sales and operating income data
Segment net sales	(11,525)	(11,472)
Architectural Framing Systems
Sales and operating income data
Segment net sales	164,162	163,292
Segment operating income (loss)	19,945	23,665
Architectural Glass
Sales and operating income data
Segment net sales	97,202	76,265
Segment operating income (loss)	16,521	5,169
Architectural Services
Sales and operating income data
Segment net sales	89,418	103,388
Segment operating income (loss)	(596)	2,927
Large-Scale Optical
Sales and operating income data
Segment net sales	22,456	25,162
Segment operating income (loss)	5,525	6,498
Corporate and other
Sales and operating income data
Segment operating income (loss)	$ (7,628)	$ (5,043)