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Redeemable Noncontrolling Interests (Details) - USD ($)
$ in Millions
9 Months Ended
Mar. 04, 2017
Feb. 27, 2016
Redeemable Noncontrolling Interest [Line Items]    
Redeemable Noncontrolling Interests, Beginning $ 27.0  
Redeemable Noncontrolling Interests, Ending 25.0  
Herman Miller Consumer Holdings    
Redeemable Noncontrolling Interest [Line Items]    
Redeemable Noncontrolling Interests, Beginning 27.0 $ 30.4
Purchase of redeemable noncontrolling interests (1.5) 0.0
Net income attributable to redeemable noncontrolling interests 0.1 0.5
Redemption value adjustment (0.7) (3.4)
Other adjustments 0.1 0.1
Redeemable Noncontrolling Interests, Ending $ 25.0 $ 27.6