XML 33 R52.htm IDEA: XBRL DOCUMENT
v2.4.1.9

INCOME TAXES (Detail Textuals) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012
Income Tax Disclosure [Abstract] |
Current income tax expense benefit adjustment of federal and other tax | $ 1,361 mlr_CurrentIncomeTaxExpenseBenefitAdjustmentOfFederalAndOtherTax

X
- Definition Component of income tax expense (benefit) attributable to an adjustment of federal domestic activity deductions, as well as federal research and development and other tax credits. + References No definition available. + Details
Name: | mlr_CurrentIncomeTaxExpenseBenefitAdjustmentOfFederalAndOtherTax
Namespace Prefix: | mlr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration