Redeemable Noncontrolling Interests (Details) - USD ($) $ in Millions	6 Months Ended
Dec. 02, 2017	Dec. 03, 2016
Redeemable Noncontrolling Interest [Line Items]
Redeemable Noncontrolling Interests, Beginning	$ 24.6
Redeemable Noncontrolling Interests, Ending	23.9
Herman Miller Consumer Holdings
Redeemable Noncontrolling Interest [Line Items]
Redeemable Noncontrolling Interests, Beginning	24.6	$ 27.0
Purchase of redeemable noncontrolling interests	1.0	1.5
Net income attributable to redeemable noncontrolling interests	0.0	0.1
Redemption value adjustment	0.2	(0.3)
Other adjustments	0.1	0.1
Redeemable Noncontrolling Interests, Ending	$ 23.9	$ 25.4

Redeemable Noncontrolling Interests, Change, Other Changes

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- Definition

Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
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- Definition

Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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