XML 50 R38.htm IDEA: XBRL DOCUMENT
v3.19.2

Revenue Recognition Disaggregation of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | $ 5,343.8 | $ 5,392.0 | $ 10,325.6 | $ 10,651.9
Transferred at Point in Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 4,650.1 | 4,731.3 | 8,962.9 | 9,332.4
Transferred over Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [1] | 693.7 | 660.7 | 1,362.7 | 1,319.5
New Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 2,769.6 | 2,949.6 | 5,266.3 | 5,751.9
Used Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 1,379.4 | 1,298.7 | 2,719.0 | 2,629.2
Parts and Service [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 901.5 | 857.1 | 1,778.2 | 1,715.6
Finance and Insurance, Net [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 255.2 | 247.8 | 491.7 | 488.6
Product and Service, Other [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 38.1 | 38.8 | 70.4 | 66.6
AN Reportable Segment, Domestic [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 1,707.3 | 1,826.1 | 3,276.1 | 3,599.8
AN Reportable Segment, Domestic [Member] | Transferred at Point in Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 1,528.4 | 1,653.7 | 2,926.5 | 3,256.5
AN Reportable Segment, Domestic [Member] | Transferred over Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [1] | 178.9 | 172.4 | 349.6 | 343.3
AN Reportable Segment, Domestic [Member] | New Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 894.5 | 991.6 | 1,675.5 | 1,925.2
AN Reportable Segment, Domestic [Member] | Used Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 447.0 | 447.2 | 890.4 | 910.0
AN Reportable Segment, Domestic [Member] | Parts and Service [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 241.2 | 268.7 | 477.5 | 539.2
AN Reportable Segment, Domestic [Member] | Finance and Insurance, Net [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 89.8 | 88.8 | 170.2 | 174.6
AN Reportable Segment, Domestic [Member] | Product and Service, Other [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 34.8 | 29.8 | 62.5 | 50.8
AN Reportable Segment, Import [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 1,627.3 | 1,717.0 | 3,123.4 | 3,369.6
AN Reportable Segment, Import [Member] | Transferred at Point in Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 1,445.3 | 1,536.5 | 2,770.1 | 3,011.7
AN Reportable Segment, Import [Member] | Transferred over Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [1] | 182.0 | 180.5 | 353.3 | 357.9
AN Reportable Segment, Import [Member] | New Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 916.1 | 1,018.9 | 1,736.3 | 1,974.7
AN Reportable Segment, Import [Member] | Used Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 388.0 | 360.2 | 757.5 | 727.0
AN Reportable Segment, Import [Member] | Parts and Service [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 229.2 | 237.0 | 449.4 | 471.3
AN Reportable Segment, Import [Member] | Finance and Insurance, Net [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 91.4 | 92.1 | 175.9 | 181.4
AN Reportable Segment, Import [Member] | Product and Service, Other [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 2.6 | 8.8 | 4.3 | 15.2
AN Reportable Segment, Premium Luxury [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 1,820.9 | 1,730.2 | 3,555.0 | 3,448.0
AN Reportable Segment, Premium Luxury [Member] | Transferred at Point in Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 1,577.7 | 1,506.8 | 3,074.9 | 2,999.0
AN Reportable Segment, Premium Luxury [Member] | Transferred over Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [1] | 243.2 | 223.4 | 480.1 | 449.0
AN Reportable Segment, Premium Luxury [Member] | New Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 959.0 | 939.1 | 1,854.5 | 1,852.0
AN Reportable Segment, Premium Luxury [Member] | Used Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 507.8 | 464.3 | 1,004.5 | 942.3
AN Reportable Segment, Premium Luxury [Member] | Parts and Service [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 285.7 | 266.1 | 563.9 | 534.7
AN Reportable Segment, Premium Luxury [Member] | Finance and Insurance, Net [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 68.4 | 60.6 | 130.0 | 118.6
AN Reportable Segment, Premium Luxury [Member] | Product and Service, Other [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 0.0 | 0.1 | 2.1 | 0.4
Corporate and Other [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [2] | 188.3 | 118.7 | 371.1 | 234.5
Corporate and Other [Member] | Transferred at Point in Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [2] | 98.7 | 34.3 | 191.4 | 65.2
Corporate and Other [Member] | Transferred over Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [1],[2] | 89.6 | 84.4 | 179.7 | 169.3
Corporate and Other [Member] | New Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [2] | 0.0 | 0.0 | 0.0 | 0.0
Corporate and Other [Member] | Used Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [2] | 36.6 | 27.0 | 66.6 | 49.9
Corporate and Other [Member] | Parts and Service [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [2] | 145.4 | 85.3 | 287.4 | 170.4
Corporate and Other [Member] | Finance and Insurance, Net [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [2] | 5.6 | 6.3 | 15.6 | 14.0
Corporate and Other [Member] | Product and Service, Other [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [2] | $ 0.7 | $ 0.1 | $ 1.5 | $ 0.2
[1] | Represents revenue recognized during the period for automotive repair and maintenance services.
[2] | Corporate and other is comprised of our other businesses, including collision centers, auction operations, AutoNation USA stand-alone used vehicle sales and service centers, and parts distribution centers.

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredAtPointInTimeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredOverTimeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=an_NewVehicleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=an_UsedVehicleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=an_PartsAndServiceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=an_FinanceAndInsuranceNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_ProductAndServiceOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=an_ANReportableSegmentDomesticMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=an_ANReportableSegmentImportMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=an_ANReportableSegmentPremiumLuxuryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |