Reportable Segments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Nov. 24, 2023	Nov. 25, 2022	Nov. 24, 2023	Nov. 25, 2022	Feb. 24, 2023
Reportable Segments [Abstract]
Segment Reporting, Factors Used to Identify Entity's Reportable Segments			he Americas segment serves customers in the U.S., Canada, the Caribbean Islands and Latin America with a comprehensive portfolio of furniture, architectural, textile and surface imaging products that are marketed to corporate, government, healthcare, education and retail customers primarily through the Steelcase, AMQ, Coalesse, Designtex, HALCON, Orangebox, Smith System and Viccarbe brands.The International segment serves customers in EMEA and Asia Pacific with a comprehensive portfolio of furniture and architectural products that are marketed to corporate, government, education and retail customers primarily through the Steelcase, Coalesse, Orangebox, Smith System and Viccarbe brands.
Segment Reporting Information [Line Items]
Revenue	$ 777.9	$ 826.9	$ 2,384.4	$ 2,430.9
Gross Profit	252.3	237.8	770.3	680.2
Operating income	43.8	20.5	92.1	36.8
Total assets	2,246.9		2,246.9		$ 2,202.8
Goodwill	274.9		274.9		276.8
Americas [Member]
Segment Reporting Information [Line Items]
Revenue	586.1	619.8	1,838.2	1,840.6
Gross Profit	192.8	181.2	612.3	526.2
Operating income	37.2	17.3	117.0	44.2
Total assets	1,663.1		1,663.1		1,631.2
Goodwill	266.2		266.2		268.3
International
Segment Reporting Information [Line Items]
Revenue	191.8	207.1	546.2	590.3
Gross Profit	59.5	56.6	158.0	154.0
Operating income	6.6	$ 3.2	(24.9)	$ (7.4)
Total assets	583.8		583.8		571.6
Goodwill	$ 8.7		$ 8.7		$ 8.5