Business Segment Data (Details Textual) $ in Thousands	12 Months Ended
Feb. 26, 2022 USD ($)	Feb. 27, 2021 USD ($)	Feb. 29, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments	4
Project related charges		$ 16,700
Project Related Insurance Proceeds		15,000
Revenues	$ 1,313,977	1,230,774	$ 1,387,439
Impairment Expense	49,473	6,300
Impairment Expense	49,473	70,069	0
Restructuring and Related Cost, Incurred Cost	30,512	5,835
Architectural Framing Systems
Segment Reporting Information [Line Items]
Revenues	596,608	570,850	686,596
Restructuring and Related Cost, Incurred Cost	1,733	5,281
Architectural Glass Segment [Member]
Segment Reporting Information [Line Items]
Revenues	309,241	330,256	387,191
Restructuring and Related Cost, Incurred Cost	27,096	325
Corporate and other
Segment Reporting Information [Line Items]
Restructuring and Related Cost, Incurred Cost	1,683	229
Geographic Concentration Risk \| Revenue Benchmark [Member]
Segment Reporting Information [Line Items]
Revenues	$ 59,500	$ 33,100	$ 54,700
Geographic Concentration Risk \| Revenue Benchmark [Member] \| Non-US
Segment Reporting Information [Line Items]
Export net sales as a percentage of consolidated net sales (percentage)	5.00%	5.00%	5.00%

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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