Revenue (Details) - USD ($) $ in Millions	3 Months Ended				9 Months Ended
	Nov. 26, 2021		Nov. 27, 2020		Nov. 26, 2021	Nov. 27, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 738.2		$ 617.5		$ 2,019.6	$ 1,919.1
Contract with Customer, Liability					33.7
contract with customer, increases in liability due to deposits received					21.3	30.4
Contract with Customer, Liability	56.2				56.2
Deposits [Member]
Disaggregation of Revenue [Line Items]
Contract with Customer, Liability, Revenue Recognized					(30.7)
contract with customer, increases in liability due to deposits received					53.2
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues	474.6		392.9		1,327.4	1,314.0
Foreign locations [Member]
Disaggregation of Revenue [Line Items]
Revenues	263.6		224.6		692.2	605.1
Americas [Member]
Disaggregation of Revenue [Line Items]
Revenues	500.3		416.4		1,399.9	1,381.5
Americas [Member] | Systems and storage [Member]
Disaggregation of Revenue [Line Items]
Revenues	240.1		202.8		669.5	681.9
Americas [Member] | Seating [Member]
Disaggregation of Revenue [Line Items]
Revenues	143.0		121.3		426.7	412.8
Americas [Member] | Other Product Category [Member]
Disaggregation of Revenue [Line Items]
Revenues	117.2	[1]	92.3	[1]	303.7	286.8
EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues	168.2		143.3		430.7	368.7
EMEA [Member] | Systems and storage [Member]
Disaggregation of Revenue [Line Items]
Revenues	62.2		48.5		158.7	140.3
EMEA [Member] | Seating [Member]
Disaggregation of Revenue [Line Items]
Revenues	61.1		61.7		150.7	138.5
EMEA [Member] | Other Product Category [Member]
Disaggregation of Revenue [Line Items]
Revenues	44.9	[1]	33.1	[1]	121.3	89.9
Other category [Member]
Disaggregation of Revenue [Line Items]
Revenues	69.7		57.8		189.0	168.9
Other category [Member] | Systems and storage [Member]
Disaggregation of Revenue [Line Items]
Revenues	13.8		12.4		39.1	33.5
Other category [Member] | Seating [Member]
Disaggregation of Revenue [Line Items]
Revenues	21.3		17.2		52.0	48.1
Other category [Member] | Other Product Category [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 34.6	[1]	$ 28.2	[1]	$ 97.9	$ 87.3

[1] The Other product category data consists primarily of products sold by consolidated dealers, textiles and surface materials, worktools, architecture, technology and other uncategorized product lines and services.