XML 47 R36.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Revenues - Other Disclosures (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Dec. 31, 2017
Revenues |  |
Aggregate reserves relating to chargeback activity | $ 25.3 | $ 24.9
Vehicle Sales | Retail Automotive and Retail Commercial Truck Dealership |  |
Revenues |  |
Payment period | 30 days |
Service and parts | Retail Automotive and Retail Commercial Truck Dealership |  |
Revenues |  |
Payment period | 30 days |
Customer return period, parts sales | 30 days |
Finance and insurance, net | Retail Automotive and Retail Commercial Truck Dealership |  |
Revenues |  |
Payment period | 30 days |
Penske Commercial Vehicles Australia | Commercial Vehicle Distribution and Other |  |
Revenues |  |
Payment period | 30 days |
Penske Power Systems | Commercial Vehicle Distribution and Other |  |
Revenues |  |
Payment period | 30 days |

X
- Definition The customer return period for parts sales. + References No definition available. + Details
Name: | pag_CustomerReturnPeriodParts
Namespace Prefix: | pag_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The payment collection period as it relates to revenue. + References No definition available. + Details
Name: | pag_PaymentPeriod
Namespace Prefix: | pag_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the aggregate amount of reserves for chargeback of sales commission as of the balance sheet date. + References No definition available. + Details
Name: | pag_SalesCommissionChargebackReserve
Namespace Prefix: | pag_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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
- Details
Name: | us-gaap_ProductOrServiceAxis=pag_VehicleSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_ProductOrServiceAxis=pag_ServiceAndPartsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=pag_FinanceAndInsuranceNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsegmentsAxis=pag_PenskeCommercialVehiclesAustraliaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_SubsegmentsAxis=pag_PenskePowerSystemsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |