Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

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Namespace Prefix:	invest_
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Balance Type:	na
Period Type:	instant

- Definition

Future Purchase Price Payment, Period

+ References

No definition available.

+ Details

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Namespace Prefix:	mlhr_
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Balance Type:	na
Period Type:	duration

- Definition

The amount of cash or cash equivalents contributed by the entity to fund its pension plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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Balance Type:	debit
Period Type:	duration

- 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

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Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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Subsequent Event (Details) - USD ($) $ in Millions			12 Months Ended
Subsequent Event (Details) - USD ($) $ in Millions	Jul. 31, 2017	Jul. 25, 2017	Jun. 03, 2017	May 28, 2016	Jun. 12, 2017	Sep. 13, 2016
Subsequent Event [Line Items]
Pension Contributions			$ (1.1)	$ (1.2)
Proceeds from Divestiture of Businesses	$ 2.0
Future Purchase Price Payment, Period	120 days
Foreign Pension Plan
Subsequent Event [Line Items]
Pension Contributions		$ 12.0
Interest Rate Swap
Subsequent Event [Line Items]
Derivative, Notional Amount						$ 150.0
Interest Rate Swap \| Interest Rate Swap
Subsequent Event [Line Items]
Derivative, Notional Amount					$ 75.0