XML 78 R46.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Revenue from Contracts with Customers - Revenue Disaggregated By Product Type And Reportable Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Nov. 30, 2019 | Dec. 01, 2018 | Nov. 30, 2019 | Dec. 01, 2018
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 674.2 | $ 652.6 | $ 1,345.2 | $ 1,277.3
North America Contract: |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 450.6 | 434.8 | 909.3 | 855.8
North America Contract: | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 145.3 | 145.3 | 292.6 | 291.4
North America Contract: | Seating |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 129.7 | 126.9 | 259.9 | 252.5
North America Contract: | Freestanding and storage |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 108.5 | 98.0 | 220.8 | 185.5
North America Contract: | Textiles |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 29.8 | 29.5 | 76.3 | 58.3
North America Contract: | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 37.3 | 35.1 | 59.7 | 68.1
International Contract: |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 118.2 | 118.5 | 232.0 | 234.0
International Contract: | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 20.6 | 28.4 | 44.6 | 51.1
International Contract: | Seating |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 67.0 | 62.1 | 128.3 | 130.8
International Contract: | Freestanding and storage |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 13.8 | 13.9 | 28.5 | 24.3
International Contract: | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 16.8 | 14.1 | 30.6 | 27.8
Retail: |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 105.4 | 99.3 | 203.9 | 187.5
Retail: | Seating |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 68.4 | 58.1 | 129.1 | 111.8
Retail: | Freestanding and storage |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 16.6 | 16.8 | 33.7 | 34.0
Retail: | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 20.4 | $ 24.4 | $ 41.1 | $ 41.7

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

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=mlhr_NorthAmericaContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=mlhr_SystemsProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=mlhr_SeatingProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=mlhr_FreestandingAndStorageProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=mlhr_TextilesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=mlhr_OtherProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=mlhr_InternationalContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=mlhr_RetailSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |