Restructuring (Narrative) (Details) $ in Thousands		3 Months Ended	12 Months Ended
	Apr. 23, 2025 USD ($)	May 28, 2022 USD ($)	Mar. 01, 2025 USD ($)	Mar. 02, 2024 USD ($)	Feb. 25, 2023 USD ($)	Feb. 26, 2022 facility	Feb. 28, 2026 USD ($)
Restructuring Cost and Reserve [Line Items]
Total restructuring charges			$ 4,323	$ 12,403	$ 116
Adjusted cost of sales			1,015,727	1,077,290	1,127,912
Proceeds from sale of property		$ 4,100
Carrying value, property held for sale		3,400
Gain on disposition			(408)	(826)	3,815
Termination benefits
Restructuring Cost and Reserve [Line Items]
Total restructuring charges			1,076	5,879	116
Contract Termination
Restructuring Cost and Reserve [Line Items]
Total restructuring charges			0	1,617
Other restructuring charges
Restructuring Cost and Reserve [Line Items]
Total restructuring charges			3,247	4,907
Project Fortify
Restructuring Cost and Reserve [Line Items]
Total restructuring charges			4,300	12,400
Project Fortify | Subsequent Event
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	$ 8,000
Project Fortify | Minimum
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost			16,700
Project Fortify | Minimum | Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost							$ 13,000
Project Fortify | Minimum | Subsequent Event
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost	24,000
Project Fortify | Minimum | Termination benefits
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost			7,000
Project Fortify | Minimum | Termination benefits | Subsequent Event
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost	9,000
Project Fortify | Minimum | Contract Termination
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost			1,700
Project Fortify | Minimum | Contract Termination | Subsequent Event
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost	2,000
Project Fortify | Minimum | Other restructuring charges
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost			8,000
Project Fortify | Minimum | Other restructuring charges | Subsequent Event
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost	12,000
Project Fortify | Maximum
Restructuring Cost and Reserve [Line Items]
Annualized cost savings			14,000
Project Fortify | Maximum | Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost							$ 15,000
Project Fortify | Maximum | Subsequent Event
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost	26,000
Project Fortify | Maximum | Termination benefits | Subsequent Event
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost	10,000
Project Fortify | Maximum | Contract Termination | Subsequent Event
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost	3,000
Project Fortify | Maximum | Other restructuring charges | Subsequent Event
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost	$ 13,000
Architectural Glass
Restructuring Cost and Reserve [Line Items]
Total restructuring charges			0	0	116
Number of facilities closed | facility						2
Architectural Glass | Termination benefits
Restructuring Cost and Reserve [Line Items]
Total restructuring charges			0	0	$ 116
Architectural Glass | Contract Termination
Restructuring Cost and Reserve [Line Items]
Total restructuring charges			0	0
Architectural Glass | Other restructuring charges
Restructuring Cost and Reserve [Line Items]
Total restructuring charges			0	0
Buildings and improvements
Restructuring Cost and Reserve [Line Items]
Gain on disposition		$ 600
Cost of Sales
Restructuring Cost and Reserve [Line Items]
Adjusted cost of sales			4,200
Cost of Sales | Project Fortify
Restructuring Cost and Reserve [Line Items]
Total restructuring charges			2,500
Adjusted cost of sales				5,500
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Acquisition, restructuring and impairment costs			11,500	3,000
Selling, general and administrative expenses | Project Fortify
Restructuring Cost and Reserve [Line Items]
Total restructuring charges			$ 1,800
Acquisition, restructuring and impairment costs				$ 6,900