XML 43 R45.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Long-Term Debt (Leverage Ratio And Capitalization Ratio Under The Terms Of The Amended Credit Agreement) (Details) | Sep. 30, 2014
--- | ---
Debt Disclosure [Abstract] |
Leverage ratio, requirement | 3.75
Leverage ratio, actual | 2.19
Capitalization ratio, requirement | 65.00%
Capitalization ratio, actual | 57.10%

X
- Definition The actual debt covenant capitalization ratio as defined in the credit agreement as principally reflecting vehicle floorplan payable and non-vehicle debt divided by the company's total capitalization including vehicle floorplan payable and certain adjustments. Under the credit agreement, the company is required to remain in compliance with a maximum capitalization ratio. + References No definition available. + Details
Name: | an_DebtInstrumentCovenantComplianceActualCapitalizationRatio
Namespace Prefix: | an_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The actual debt covenant leverage ratio as defined in the credit agreement as principally reflecting non-vehicle debt divided by a contractually defined measure of earnings with certain adjustments. Under the credit agreement, the company is required to remain in compliance with a maximum leverage ratio. + References No definition available. + Details
Name: | an_DebtInstrumentCovenantComplianceActualLeverageRatio
Namespace Prefix: | an_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum capitalization ratio required under the company's credit agreement, which is a contractually defined amount principally reflecting vehicle floorplan payable and non-vehicle debt divided by the company's total capitalization including vehicle floorplan payable and certain adjustments. + References No definition available. + Details
Name: | an_DebtInstrumentCovenantTermsMaximumCapitalizationRatio
Namespace Prefix: | an_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum leverage ratio required under the company's credit agreement, which is a contractually defined amount principally reflecting non-vehicle debt divided by a contractually defined measure of earnings with certain adjustments. + References No definition available. + Details
Name: | an_DebtInstrumentCovenantTermsMaximumLeverageRatio
Namespace Prefix: | an_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration