Goodwill and Other Identifiable Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	May 27, 2023	May 28, 2022
Schedule of goodwill attributable to each business segment
Goodwill, Beginning	$ 129,026	$ 130,102
Foreign currency translation	28	(1,076)
Reallocation among reporting units (1)		0
Goodwill, Ending	129,054
Architectural Framing Systems
Schedule of goodwill attributable to each business segment
Goodwill, Beginning	90,137	93,181
Foreign currency translation	(18)	(996)
Reallocation among reporting units (1)		2,048
Goodwill, Ending	90,119
Architectural Services
Schedule of goodwill attributable to each business segment
Goodwill, Beginning	3,031	1,120
Foreign currency translation	(2)	(137)
Reallocation among reporting units (1)		(2,048)
Goodwill, Ending	3,029
Architectural Glass
Schedule of goodwill attributable to each business segment
Goodwill, Beginning	25,301	25,244
Foreign currency translation	48	57
Reallocation among reporting units (1)		0
Goodwill, Ending	25,349
Large-Scale Optical
Schedule of goodwill attributable to each business segment
Goodwill, Beginning	10,557	10,557
Foreign currency translation	0	0
Reallocation among reporting units (1)		$ 0
Goodwill, Ending	$ 10,557