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Revenue from Contracts with Customers - Revenue Disaggregated By Product Type And Reportable Segment (Details) - USD ($) $ in Millions	12 Months Ended
	May 29, 2021	May 30, 2020	Jun. 01, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 2,465.1	$ 2,486.6	$ 2,567.2
North America Contract
Disaggregation of Revenue [Line Items]
Net sales	1,194.0	1,598.2
North America Contract | Workplace
Disaggregation of Revenue [Line Items]
Net sales	717.2	976.0
North America Contract | Performance Seating
Disaggregation of Revenue [Line Items]
Net sales	280.7	381.5
North America Contract | Lifestyle
Disaggregation of Revenue [Line Items]
Net sales	81.1	93.1
North America Contract | Other
Disaggregation of Revenue [Line Items]
Net sales	115.0	147.6
International Contract
Disaggregation of Revenue [Line Items]
Net sales	669.0	502.8
International Contract | Workplace
Disaggregation of Revenue [Line Items]
Net sales	129.0	155.9
International Contract | Performance Seating
Disaggregation of Revenue [Line Items]
Net sales	296.4	222.2
International Contract | Lifestyle
Disaggregation of Revenue [Line Items]
Net sales	223.8	105.8
International Contract | Other
Disaggregation of Revenue [Line Items]
Net sales	19.8	18.9
Retail
Disaggregation of Revenue [Line Items]
Net sales	602.1	385.6
Retail | Workplace
Disaggregation of Revenue [Line Items]
Net sales	8.5	3.9
Retail | Performance Seating
Disaggregation of Revenue [Line Items]
Net sales	207.5	43.1
Retail | Lifestyle
Disaggregation of Revenue [Line Items]
Net sales	385.0	338.6
Retail | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 1.1	$ 0.0

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

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