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Indebtedness (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Jan. 03, 2015
Dec. 28, 2013
Mar. 29, 2014
Line of Credit Facility [Line Items]      
Payments of Premiums on Redemption of Senior Subordinated Notes $ 0mog_PaymentsofPremiumsonRedemptionofSeniorSubordinatedNotes $ 6,945mog_PaymentsofPremiumsonRedemptionofSeniorSubordinatedNotes  
Five One Over Four Percent Senior Subordinated Notes [Member]      
Line of Credit Facility [Line Items]      
Debt Instrument, Issuance Date Nov. 21, 2014    
Debt Instrument, Face Amount 300,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LongtermDebtTypeAxis
= mog_FiveOneOverFourPercentSeniorNotesMember
   
Debt Instrument, Interest Rate, Stated Percentage 5.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= mog_FiveOneOverFourPercentSeniorNotesMember
   
Debt Instrument, Maturity Date Dec. 01, 2022    
Debt Instrument, Frequency of Periodic Payment semiannually    
Debt Instrument, Date of First Required Payment Jun. 01, 2015    
Proceeds from Debt, Net of Issuance Costs 294,718us-gaap_ProceedsFromDebtNetOfIssuanceCosts
/ us-gaap_LongtermDebtTypeAxis
= mog_FiveOneOverFourPercentSeniorNotesMember
   
Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Credit facility mature date May 22, 2019    
Date that credit facility was amended May 22, 2014    
Line of Credit Facility, Current Borrowing Capacity 1,100,000us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
  900,000us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
Expansion option to increase credit facility 200,000mog_Expansionoptiontoincreasecreditfacility
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
   
Seven One Over Four Percent Senior Subordinated Notes Member      
Line of Credit Facility [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 7.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= mog_SevenOneOverFourPercentSeniorSubordinatedNotesMember
   
Debt Instrument, Maturity Date Jan. 15, 2018    
Senior subordinated notes, call date Dec. 19, 2013    
Debt Instrument, Redemption Price, Percentage 103.625%us-gaap_DebtInstrumentRedemptionPricePercentage
/ us-gaap_LongtermDebtTypeAxis
= mog_SevenOneOverFourPercentSeniorSubordinatedNotesMember
   
Early Repayment of Subordinated Debt 200,000us-gaap_EarlyRepaymentOfSubordinatedDebt
/ us-gaap_LongtermDebtTypeAxis
= mog_SevenOneOverFourPercentSeniorSubordinatedNotesMember
   
Payments of Premiums on Redemption of Senior Subordinated Notes   6,945mog_PaymentsofPremiumsonRedemptionofSeniorSubordinatedNotes
/ us-gaap_LongtermDebtTypeAxis
= mog_SevenOneOverFourPercentSeniorSubordinatedNotesMember
 
Write off of Deferred Debt Issuance Cost   1,057us-gaap_WriteOffOfDeferredDebtIssuanceCost
/ us-gaap_LongtermDebtTypeAxis
= mog_SevenOneOverFourPercentSeniorSubordinatedNotesMember
 
Asset-backed Securities, Securitized Loans and Receivables [Member]      
Line of Credit Facility [Line Items]      
Credit facility mature date Feb. 13, 2015    
Maximum credit facility amount that can borrow 100,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember
   
Line of Credit Facility, Renewal Option 364mog_LineOfCreditFacilityRenewalOption
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember
   
Line of Credit Facility, Commitment Fee Materiality not material    
Percentage of borrowing capacity on the Securitization Program 80.00%mog_PercentageofborrowingcapacityontheSecuritizationProgram
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember
   
Percentage of borrowing base on the Securitization Program 100.00%mog_PercentageofborrowingbaseontheSecuritizationProgram
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember
   
Minimum borrowing requirement for the Securitization Program $ 80,000mog_MinimumborrowingrequirementfortheSecuritizationProgram
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember