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Basis Of Presentation Basis Of Presentation (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 6 Months Ended
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Apr. 04, 2015
Accounting Changes and Error Corrections [Abstract] |
ErrorCorrectionAndPriorPeriodAdjustmentsOfPreviousYearsReductionInWorkingCapitalAndEarningsBeforeIncomeTax | $ 8,300 mog_ErrorCorrectionAndPriorPeriodAdjustmentsOfPreviousYearsReductionInWorkingCapitalAndEarningsBeforeIncomeTax
ErrorCorrectionsAndPriorPeriodAdjustmentsNotMaterialToPreviouslyReportedFinancialStatementsIn2014and2015 | not material

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