XML 45 R61.htm IDEA: XBRL DOCUMENT v2.4.1.9
Long-Term Debt (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Debt Instruments [Abstract]    
Long-term debt $ 2,128.4us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities $ 1,839.9us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities
Less: current maturities (25.0)us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent (30.1)us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
Long-term debt, net of current maturities 2,103.4us-gaap_LongTermDebtAndCapitalLeaseObligations 1,809.8us-gaap_LongTermDebtAndCapitalLeaseObligations
Senior Notes at Six Point Seven Five Percent due 2018 [Member]    
Debt Instruments [Abstract]    
Senior notes 397.1us-gaap_SeniorNotes
/ us-gaap_DebtInstrumentAxis
= an_SeniorNotesatSixPointSevenFivePercentdue2018Member
396.3us-gaap_SeniorNotes
/ us-gaap_DebtInstrumentAxis
= an_SeniorNotesatSixPointSevenFivePercentdue2018Member
Senior Notes at Five Point Five Percent Due 2020 [Member]    
Debt Instruments [Abstract]    
Senior notes 350.0us-gaap_SeniorNotes
/ us-gaap_DebtInstrumentAxis
= an_SeniorNotesAtFivePointFivePercentDue2020Member
350.0us-gaap_SeniorNotes
/ us-gaap_DebtInstrumentAxis
= an_SeniorNotesAtFivePointFivePercentDue2020Member
Term loan facility due 2016 [Member]    
Debt Instruments [Abstract]    
Term loan facility 0us-gaap_LoansPayableToBank
/ us-gaap_DebtInstrumentAxis
= an_TermLoanFacilityDue2016Member
500.0us-gaap_LoansPayableToBank
/ us-gaap_DebtInstrumentAxis
= an_TermLoanFacilityDue2016Member
Revolving credit facility due 2016 [Member]    
Debt Instruments [Abstract]    
Revolving credit facility 0us-gaap_LineOfCredit
/ us-gaap_DebtInstrumentAxis
= an_RevolvingCreditFacilityDue2016Member
300.0us-gaap_LineOfCredit
/ us-gaap_DebtInstrumentAxis
= an_RevolvingCreditFacilityDue2016Member
Revolving Credit Facility Due 2019 [Member]    
Debt Instruments [Abstract]    
Revolving credit facility 1,110.0us-gaap_LineOfCredit
/ us-gaap_DebtInstrumentAxis
= an_RevolvingCreditFacilityDue2019Member
0us-gaap_LineOfCredit
/ us-gaap_DebtInstrumentAxis
= an_RevolvingCreditFacilityDue2019Member
Debt instrument, maturity date Dec. 03, 2019  
Mortgage Facility [Member]    
Debt Instruments [Abstract]    
Mortgage facility 185.5us-gaap_SecuredDebt
/ us-gaap_DebtInstrumentAxis
= an_MortgageFacilityMember
[1] 194.7us-gaap_SecuredDebt
/ us-gaap_DebtInstrumentAxis
= an_MortgageFacilityMember
[1]
Mortgage Facility [Member] | Secured Debt [Member]    
Debt Instruments [Abstract]    
Monthly principal and interest payments on mortgage facility 1.7us-gaap_DebtInstrumentPeriodicPayment
/ us-gaap_DebtInstrumentAxis
= an_MortgageFacilityMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
 
Balloon payment for mortgage 155.4us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid
/ us-gaap_DebtInstrumentAxis
= an_MortgageFacilityMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
 
Debt instrument, maturity date Nov. 30, 2017  
Capital Leases and Other Debt [Member]    
Debt Instruments [Abstract]    
Capital leases and other debt $ 85.8us-gaap_CapitalLeaseObligations
/ us-gaap_DebtInstrumentAxis
= an_CapitalLeasesAndOtherDebtMember
$ 98.9us-gaap_CapitalLeaseObligations
/ us-gaap_DebtInstrumentAxis
= an_CapitalLeasesAndOtherDebtMember
[1] The mortgage facility requires monthly principal and interest payments of $1.7 million based on a fixed amortization schedule with a balloon payment of $155.4 million due November 2017.