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Fiscal Year (Details)	3 Months Ended		12 Months Ended
	Aug. 31, 2013	Sep. 01, 2012	May 31, 2014	Jun. 01, 2013
Fiscal Year [Abstract]
Fiscal Period, Weeks	13 weeks	13 weeks	52 weeks	52 weeks

X

- Definition

Fiscal Period, Weeks

+ References

No definition available.

+ Details

Name:	mlhr_FiscalPeriodWeeks
Namespace Prefix:	mlhr_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	mlhr_FiscalYearAbstract
Namespace Prefix:	mlhr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration