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Fair Value (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended 1 Months Ended 3 Months Ended
Dec. 31, 2013
Dec. 31, 2014
Feb. 29, 2012
Dec. 31, 2011
Sep. 30, 2013
Sep. 30, 2009
Mar. 12, 2013
Jun. 09, 2014
Jun. 09, 2011
Fair Value Disclosure [Line Items]                  
Proceeds from Collection of Notes Receivable $ 24.8us-gaap_ProceedsFromCollectionOfNotesReceivable                
Benefit from Release of Indemnification Related Reserve 2.5outr_BenefitfromReleaseofIndemnificationRelatedReserve                
Convertible Notes                  
Fair Value Disclosure [Line Items]                  
Market discount rate   6.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleDebtMember
             
Convertible debt, fair value 50.5us-gaap_ConvertibleDebtFairValueDisclosures
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleDebtMember
               
Interest rate, per year   4.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleDebtMember
      4.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleDebtMember
     
Senior Notes | Original Notes [Member]                  
Fair Value Disclosure [Line Items]                  
Market discount rate   6.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_DebtInstrumentAxis
= outr_SeniorNotesDueTwoThousandNineteenOriginalMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember
             
Interest rate, per year             6.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= outr_SeniorNotesDueTwoThousandNineteenOriginalMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember
   
Estimated fair value of senior unsecured notes   350.0us-gaap_LongTermDebtFairValue
/ us-gaap_DebtInstrumentAxis
= outr_SeniorNotesDueTwoThousandNineteenOriginalMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember
             
Senior Notes | Senior Unsecured Notes due 2021                  
Fair Value Disclosure [Line Items]                  
Market discount rate   5.875%us-gaap_FairValueInputsDiscountRate
/ us-gaap_DebtInstrumentAxis
= outr_SeniorNotesDueTwoThousandTwentyOneOriginalMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember
             
Interest rate, per year               5.875%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= outr_SeniorNotesDueTwoThousandTwentyOneOriginalMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember
 
Estimated fair value of senior unsecured notes   300.0us-gaap_LongTermDebtFairValue
/ us-gaap_DebtInstrumentAxis
= outr_SeniorNotesDueTwoThousandTwentyOneOriginalMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember
             
Trademarks [Member]                  
Fair Value Disclosure [Line Items]                  
Fair Value Of Trademarks     30.0outr_FairValueOfTrademarks
/ outr_FairValueDisclosureAxis
= us-gaap_TrademarksMember
           
Market Royalty Fee Rate     1.50%outr_MarketRoyaltyFeeRate
/ outr_FairValueDisclosureAxis
= us-gaap_TrademarksMember
           
Market discount rate     45.00%us-gaap_FairValueInputsDiscountRate
/ outr_FairValueDisclosureAxis
= us-gaap_TrademarksMember
           
Notes Receivable [Member]                  
Fair Value Disclosure [Line Items]                  
Market discount rate       18.00%us-gaap_FairValueInputsDiscountRate
/ outr_FairValueDisclosureAxis
= us-gaap_NotesReceivableMember
         
Money Transfer Business [Member]                  
Fair Value Disclosure [Line Items]                  
Cash Received From Sale Of Business                 19.5outr_CashReceivedFromSaleOfBusiness
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= outr_MoneyTransferBusinessMember
Notes, Loans and Financing Receivable, Gross, Noncurrent                 29.5us-gaap_NotesAndLoansReceivableGrossNoncurrent
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= outr_MoneyTransferBusinessMember
Credit Facility Offered As Part Money Transfer Sale       4.0outr_CreditFacilityOfferedAsPartMoneyTransferSale
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= outr_MoneyTransferBusinessMember
         
Notes Receivable [Member]                  
Fair Value Disclosure [Line Items]                  
Asset Impairment Charges         $ 2.8us-gaap_AssetImpairmentCharges
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_NotesReceivableMember