XML 78 R58.htm IDEA: XBRL DOCUMENT
v3.20.4

Fair Value Measurements Fair Value Measurements - Redeemable Noncontrolling Interests (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Nov. 28, 2020 | Nov. 30, 2019 | Nov. 28, 2020 | Nov. 30, 2019
Redeemable Noncontrolling Interest [Line Items] |  |  |  |
Net income attributable to redeemable noncontrolling interests | $ 1.5 | $ 0.0 | $ 2.0 | $ (0.2)
Redeemable Noncontrolling Interests, Ending | 56.5 |  | 56.5 |
Payments to Acquire Additional Interest in Subsidiaries |  |  | 0.0 | $ 20.3
HAY |  |  |  |
Redeemable Noncontrolling Interest [Line Items] |  |  |  |
Redeemable Noncontrolling Interests, Beginning |  |  | 50.4 |
Net income attributable to redeemable noncontrolling interests |  |  | 2.0 |
Distributions to redeemable noncontrolling interests |  |  | (2.7) |
Cumulative translation adjustments attributable to redeemable noncontrolling interests |  |  | 2.8 |
Foreign currency translation adjustments |  |  | 4.0 |
Redeemable Noncontrolling Interests, Ending | $ 56.5 |  | $ 56.5 |
Herman Miller Consumer Holdings [Member] |  |  |  |
Redeemable Noncontrolling Interest [Line Items] |  |  |  |
Payments to Acquire Additional Interest in Subsidiaries |  | $ 20.4 |  |

X
- Definition Redeemable Noncontrolling Interests, Cumulative translation adjustments attributable to redeemable noncontrolling interests + References No definition available. + Details
Name: | mlhr_RedeemableNoncontrollingInterestsCumulativeTranslationAdjustmentsAttributableToRedeemableNoncontrollingInterests
Namespace Prefix: | mlhr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Redeemable Noncontrolling Interests, Distributions to redeemable noncontrolling interests + References No definition available. + Details
Name: | mlhr_RedeemableNoncontrollingInterestsDistributionsToRedeemableNoncontrollingInterests
Namespace Prefix: | mlhr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Redeemable Noncontrolling Interests, Impact of Foreign Currency Translation + References No definition available. + Details
Name: | mlhr_RedeemableNoncontrollingInterestsImpactOfForeignCurrencyTranslation
Namespace Prefix: | mlhr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of Net Income (Loss) attributable to redeemable noncontrolling interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.19) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
Name: | us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow associated with the purchase of noncontrolling interest during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph (16)(c) -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 15 -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph (12)(c) -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 14 -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 + Details
Name: | us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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. + Details
Name: | us-gaap_RedeemableNoncontrollingInterestLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=mlhr_HAYASMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=mlhr_HermanMillerConsumerHoldingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |