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Revenues - Other Disclosures (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018
Revenues |  |  |  |  |
Total revenues | $ 5,755.8 | $ 5,940.3 | $ 11,320.2 | $ 11,687.2 |
Commercial Vehicle Distribution and Other |  |  |  |  |
Revenues |  |  |  |  |
Total revenues | 132.7 | 146.0 | $ 273.6 | 304.5 |
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 |  |
Aggregate reserves relating to chargeback activity | 26.5 |  | $ 26.5 |  | $ 26.0
Penske Commercial Vehicles Australia | Commercial Vehicle Distribution and Other |  |  |  |  |
Revenues |  |  |  |  |
Payment period |  |  | 30 days |  |
Total revenues | 132.7 | 145.0 | $ 273.6 | 302.7 |
Penske Power Systems | Commercial Vehicle Distribution and Other |  |  |  |  |
Revenues |  |  |  |  |
Payment period |  |  | 30 days |  |
Penske Power Systems | Service and parts | Commercial Vehicle Distribution and Other |  |  |  |  |
Revenues |  |  |  |  |
Total revenues | $ 69.0 | $ 73.2 | $ 134.4 | $ 142.4 |

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