Revenue (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Aug. 26, 2022	Aug. 27, 2021	Aug. 26, 2022	Aug. 27, 2021
Disaggregation of Revenue [Line Items]
Revenue		$ 863.3	$ 724.8	$ 1,604.0	$ 1,281.4
Balance as of February 25, 2022				53.4
Customer deposits received, net of revenue recognized during the period				(10.8)	14.0
Balance as of August 26, 2022		65.3		65.3
Deposits [Member]
Disaggregation of Revenue [Line Items]
Recognition of revenue related to beginning of year customer deposits				(45.8)
Customer deposits received, net of revenue recognized during the period				33.4
Deposits [Member] | Halcon Furniture LLC Q2 FY23
Disaggregation of Revenue [Line Items]
Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination	[1]			24.3
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenue		634.6	493.5	1,136.3	852.8
Foreign locations [Member]
Disaggregation of Revenue [Line Items]
Revenue		228.7	231.3	467.7	428.6
Americas [Member]
Disaggregation of Revenue [Line Items]
Revenue		651.6	523.3	1,172.4	899.6
Americas [Member] | Systems and storage [Member]
Disaggregation of Revenue [Line Items]
Revenue		303.4	244.3	563.7	429.4
Americas [Member] | Seating [Member]
Disaggregation of Revenue [Line Items]
Revenue		203.3	165.5	359.5	283.7
Americas [Member] | Other Product Category [Member]
Disaggregation of Revenue [Line Items]
Revenue	[2]	144.9	113.5	249.2	186.5
EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenue		137.8	138.9	294.2	262.5
EMEA [Member] | Systems and storage [Member]
Disaggregation of Revenue [Line Items]
Revenue		49.4	41.7	105.1	96.5
EMEA [Member] | Seating [Member]
Disaggregation of Revenue [Line Items]
Revenue		45.7	55.7	99.0	89.6
EMEA [Member] | Other Product Category [Member]
Disaggregation of Revenue [Line Items]
Revenue	[2]	42.7	41.5	90.1	76.4
Other category [Member]
Disaggregation of Revenue [Line Items]
Revenue		73.9	62.6	137.4	119.3
Other category [Member] | Systems and storage [Member]
Disaggregation of Revenue [Line Items]
Revenue		14.1	14.5	25.8	25.3
Other category [Member] | Seating [Member]
Disaggregation of Revenue [Line Items]
Revenue		22.3	16.2	39.7	30.7
Other category [Member] | Other Product Category [Member]
Disaggregation of Revenue [Line Items]
Revenue	[2]	$ 37.5	$ 31.9	$ 71.9	$ 63.3

[1] Represents customer deposits acquired from Halcon Furniture LLC ("Halcon") as of the acquisition date. See Note 11 for additional information.

[2] The other product category data by segment consists primarily of products sold by consolidated dealers, textiles and surface materials, worktools, architecture and other uncategorized product lines and services, less promotions and incentives on all product categories