XML 90 R67.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Subsequent Event (Details) - Subsequent Event - Facilities Consolidation Plan $ in Millions | Mar. 14, 2018 USD ($)
--- | ---
Subsequent Event [Line Items] |
Expected annual cost reductions | $ 4
Term of cost saving initiatives | 3 years
Minimum |
Subsequent Event [Line Items] |
Estimated future restructuring and related charges | $ 6
Maximum |
Subsequent Event [Line Items] |
Estimated future restructuring and related charges | $ 8

X
- Definition Restructuring and Related Cost, Expected Annual Cost Reductions + References No definition available. + Details
Name: | mlhr_RestructuringandRelatedCostExpectedAnnualCostReductions
Namespace Prefix: | mlhr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Restructuring and Related Cost, Term of Plan + References No definition available. + Details
Name: | mlhr_RestructuringandRelatedCostTermofPlan
Namespace Prefix: | mlhr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expected cost remaining for the specified restructuring cost. + References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=mlhr_FacilitiesConsolidationPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |