Business Segment Data (Details Textual) $ in Thousands	12 Months Ended
	Feb. 25, 2023 USD ($)	Feb. 26, 2022 USD ($)	Feb. 27, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments	4
Revenues	$ 1,440,696	$ 1,313,977	$ 1,230,774
Impairment Expense	0	49,473
Impairment expense on goodwill and intangible assets	0	49,473	70,069
Restructuring and Related Cost, Incurred Cost	116	30,512
Architectural Framing Systems
Segment Reporting Information [Line Items]
Revenues	649,778	546,557	508,770
Impairment expense on goodwill and intangible assets		53,000
Restructuring and Related Cost, Incurred Cost	0	1,733
Architectural Glass
Segment Reporting Information [Line Items]
Revenues	316,554	309,241	330,256
Restructuring and Related Cost, Incurred Cost	116	27,096
Corporate and other
Segment Reporting Information [Line Items]
Restructuring and Related Cost, Incurred Cost	0	1,683
Architectural Services
Segment Reporting Information [Line Items]
Revenues	410,627	407,421	358,685
Impairment Expense		49,500	17,100
Geographic Concentration Risk | Revenue Benchmark [Member]
Segment Reporting Information [Line Items]
Revenues	$ 56,200	$ 59,500	$ 33,100
Geographic Concentration Risk | Revenue Benchmark [Member] | Non-US
Segment Reporting Information [Line Items]
Export net sales as a percentage of consolidated net sales (percentage)	4.00%	4.00%	4.00%