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Fiscal Year | 6 Months Ended
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Nov. 30, 2013
Fiscal Year [Abstract] |
FiscalYear [Text Block] | FISCAL YEAR The company's fiscal year ends on the Saturday closest to May 31. Fiscal 2014, the year ending May 31, 2014, and fiscal 2013, the year ended June 1, 2013, each contain 52 weeks. The second quarter of fiscal 2014 and fiscal 2013 each contained 13 weeks.

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- Details
Name: | mlhr_FiscalYearAbstract
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
Name: | mlhr_FiscalyearTextBlock
Namespace Prefix: | mlhr_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration