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Revenue Disaggregated By Product Type And Reportable Segment (Details) - USD ($) $ in Millions	12 Months Ended
	May 30, 2020	Jun. 01, 2019	Jun. 02, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 2,486.6	$ 2,567.2	$ 2,381.2
North America Contract
Disaggregation of Revenue [Line Items]
Net sales	1,598.2	1,686.5
North America Contract | Systems
Disaggregation of Revenue [Line Items]
Net sales	512.7	564.4
North America Contract | Seating
Disaggregation of Revenue [Line Items]
Net sales	459.1	501.8
North America Contract | Freestanding and storage
Disaggregation of Revenue [Line Items]
Net sales	379.8	384.9
North America Contract | Textiles
Disaggregation of Revenue [Line Items]
Net sales	138.8	113.8
North America Contract | Other
Disaggregation of Revenue [Line Items]
Net sales	107.8	121.6
International Contract
Disaggregation of Revenue [Line Items]
Net sales	502.8	492.2
International Contract | Systems
Disaggregation of Revenue [Line Items]
Net sales	76.6	103.6
International Contract | Seating
Disaggregation of Revenue [Line Items]
Net sales	321.2	276.1
International Contract | Freestanding and storage
Disaggregation of Revenue [Line Items]
Net sales	51.1	53.0
International Contract | Other
Disaggregation of Revenue [Line Items]
Net sales	53.9	59.5
Retail
Disaggregation of Revenue [Line Items]
Net sales	385.6	388.5
Retail | Seating
Disaggregation of Revenue [Line Items]
Net sales	261.3	235.6
Retail | Freestanding and storage
Disaggregation of Revenue [Line Items]
Net sales	66.0	67.5
Retail | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 58.3	$ 85.4

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