XML 287 R52.htm IDEA: XBRL DOCUMENT v3.22.2

Significant Accounting and Reporting Policies - Schedule of Indefinite-lived Intangible Assets (Details) - USD ($) $ in Millions	May 28, 2022	May 29, 2021	May 30, 2020
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangibles	$ 501.0	$ 97.6	$ 92.8
Maharam
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangibles	16.5
DWR
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangibles	31.5
HAY
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangibles	38.0
naughtone
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangibles	5.8
Knoll Product
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangibles	173.0
Knoll Channel
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangibles	99.0
Muuto
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangibles	88.2
Holly Hunt
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangibles	26.0
Spinneybeck
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangibles	23.0
Tradename
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangibles	$ 501.0

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_IndefiniteLivedIntangibleAssetsByMajorClassLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

+ Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=mlhr_MaharamMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=mlhr_DesignWithinReachMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=mlhr_HAYMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=mlhr_NaughtoneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=mlhr_KnollProductMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=mlhr_KnollChannelMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=mlhr_MuutoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=mlhr_HollyHuntMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=mlhr_SpinneybeckMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TradeNamesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: