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General (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Dec. 31, 2014
Error Correction [Member]
Out of period adjustments [Abstract]
Pre-tax earnings	$ (0.6)us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount / us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis = us-gaap_RestatementAdjustmentMember
After-tax earnings	(0.5)mod_QuantifyingMisstatementInCurrentYearFinancialStatementsAmountAfterTax / us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis = us-gaap_RestatementAdjustmentMember
Electronics Cooling business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Final payment on promisary note		1.5us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = mod_ElectronicsCoolingBusinessMember
Gain on sale (Pre-tax)		0.9us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = mod_ElectronicsCoolingBusinessMember
Gain on sale (After-tax)		$ 0.6us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = mod_ElectronicsCoolingBusinessMember

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Amount of each individual error being corrected in the correcting adjustment after tax.

+ References

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Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

-Paragraph 3

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Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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-SubTopic 20

-Section 45

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