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Fiscal Year | 9 Months Ended
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Feb. 27, 2016
Fiscal Year [Abstract] |
Fiscal Year | Fiscal Year The company's fiscal year ends on the Saturday closest to May 31. Fiscal 2016, the year ending May 28, 2016, and fiscal 2015, the year ended May 30, 2015, each contain 52 weeks. The third quarters of fiscal 2016 and fiscal 2015 each contained 13 weeks.

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- Definition Disclosures related to fiscal year calendar + References No definition available. + Details
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Namespace Prefix: | mlhr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Disclosure related to Fiscal Year + References No definition available. + Details
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Namespace Prefix: | mlhr_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration