Revenue (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Nov. 22, 2024	Nov. 24, 2023	Nov. 22, 2024	Nov. 24, 2023	Feb. 23, 2024
Disaggregation of Revenue [Line Items]
Revenue		$ 794.9	$ 777.9	$ 2,378.0	$ 2,384.4
Contract with Customer, changes in customer deposits [Line Items]
Contract with Customer, Liability		49.6		49.6		$ 44.8
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenue		574.8	541.5	1,734.8	1,715.5
Non-US
Disaggregation of Revenue [Line Items]
Revenue		220.1	236.4	643.2	668.9
Americas [Member]
Disaggregation of Revenue [Line Items]
Revenue		614.7	586.1	1,857.1	1,838.2
Americas [Member] | Systems and storage [Member]
Disaggregation of Revenue [Line Items]
Revenue		274.1	262.6	838.5	799.5
Americas [Member] | Seating [Member]
Disaggregation of Revenue [Line Items]
Revenue		165.1	152.5	498.7	492.5
Americas [Member] | Other Product Category [Member]
Disaggregation of Revenue [Line Items]
Revenue	[1]	175.5	171.0	519.9	546.2
International
Disaggregation of Revenue [Line Items]
Revenue		180.2	191.8	520.9	546.2
International | Systems and storage [Member]
Disaggregation of Revenue [Line Items]
Revenue		62.2	70.0	173.7	194.2
International | Seating [Member]
Disaggregation of Revenue [Line Items]
Revenue		71.3	67.3	200.9	190.7
International | Other Product Category [Member]
Disaggregation of Revenue [Line Items]
Revenue	[1]	$ 46.7	$ 54.5	146.3	$ 161.3
Deposits [Member]
Contract with Customer, changes in customer deposits [Line Items]
Recognition of revenue related to beginning of year customer deposits				(40.0)
Customer deposits received, net of revenue recognized during the period				$ 44.8

[1] The other product category data by segment consists primarily of third-party products, textiles and surface materials, worktools, architecture and other uncategorized product lines and services, less promotions and incentives on all product categories