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Fair Value - Schedule of Redeemable Noncontrolling Interests (Details) - USD ($) $ in Millions	12 Months Ended
	May 29, 2021	May 30, 2020	Jun. 01, 2019
Redeemable Noncontrolling Interest [Line Items]
Beginning Balance	$ 50.4
Redemption value adjustment	(15.0)	$ 17.8
Ending Balance	77.0	50.4
Indefinite-lived intangibles	97.6	92.8	$ 78.1
Fair Value, Inputs, Level 3
Redeemable Noncontrolling Interest [Line Items]
Indefinite-lived intangibles	97.6
Herman Miller Consumer Holdings
Redeemable Noncontrolling Interest [Line Items]
Beginning Balance	0.0	20.6
Purchase of HMCH redeemable noncontrolling interests		(20.4)
Redemption value adjustment		(0.2)
Exercised options	0.0	0.0
Ending Balance	0.0	0.0
HAY
Redeemable Noncontrolling Interest [Line Items]
Beginning Balance	50.4
Dividend attributable to redeemable noncontrolling interests	(2.8)
Redemption value adjustment	15.0
Net income attributable to redeemable noncontrolling interests	5.7
Foreign currency translation adjustments	8.7
Ending Balance	$ 77.0	$ 50.4

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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