XML 41 R50.htm IDEA: XBRL DOCUMENT v2.4.0.8

Significant Accounting and Reporting Policies - Schedule of Self Insurance Retention Levels (Details)	12 Months Ended
	May 31, 2014
Accounting Policies [Abstract]
General liability and auto liability/physical damage	1,000,000
Workers' compensation and property	750,000

X

- Definition

Self Insurance, Retention Level, General Liability and Auto Liability and Physical Damage

+ References

No definition available.

+ Details

Name:	mlhr_SelfInsuranceRetentionLevelGeneralLiabilityAndAutoLiabilityAndPhysicalDamage
Namespace Prefix:	mlhr_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Self Insurance, Retention Level, Workers Compensation and Property

+ References

No definition available.

+ Details

Name:	mlhr_SelfInsuranceRetentionLevelWorkersCompensationAndProperty
Namespace Prefix:	mlhr_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration