Revenue (Details) - USD ($) $ in Millions		3 Months Ended
		May 30, 2025	May 24, 2024	Feb. 28, 2025
Disaggregation of Revenue [Line Items]
Revenue		$ 779.0	$ 727.3
Contract with Customer, changes in customer deposits [Line Items]
Contract with Customer, Liability		54.0		$ 43.0
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenue		560.4	513.3
Non-US
Disaggregation of Revenue [Line Items]
Revenue		218.6	214.0
Americas [Member]
Disaggregation of Revenue [Line Items]
Revenue		603.6	554.4
Americas [Member] | Systems and storage [Member]
Disaggregation of Revenue [Line Items]
Revenue		294.6	255.5
Americas [Member] | Seating [Member]
Disaggregation of Revenue [Line Items]
Revenue		159.1	144.6
Americas [Member] | Other Product Category [Member]
Disaggregation of Revenue [Line Items]
Revenue	[1]	149.9	154.3
International
Disaggregation of Revenue [Line Items]
Revenue		175.4	172.9
International | Systems and storage [Member]
Disaggregation of Revenue [Line Items]
Revenue		57.1	56.8
International | Seating [Member]
Disaggregation of Revenue [Line Items]
Revenue		68.5	64.5
International | Other Product Category [Member]
Disaggregation of Revenue [Line Items]
Revenue	[1]	49.8	$ 51.6
Deposits [Member]
Contract with Customer, changes in customer deposits [Line Items]
Recognition of revenue related to beginning of year customer deposits		(24.9)
Customer deposits received, net of revenue recognized during the period		$ 35.9

[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