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Revenues - Retail Automotive Dealership (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Revenues |  |  |  |  |
Total revenues | $ 5,967.6 | $ 5,658.6 | $ 17,287.8 | $ 17,345.8 |
Retail Automotive Dealership |  |  |  |  |
Revenues |  |  |  |  |
Total revenues | 5,155.4 | 5,148.5 | 15,442.9 | 15,900.0 | $ 20,800.0
Retail Automotive Dealership | U.S. |  |  |  |  |
Revenues |  |  |  |  |
Total revenues | 2,995.5 | 2,891.6 | 8,624.1 | 8,596.4 |
Retail Automotive Dealership | UK |  |  |  |  |
Revenues |  |  |  |  |
Total revenues | 1,859.6 | 1,945.1 | 5,827.7 | 6,244.9 |
Retail Automotive Dealership | Germany and Italy |  |  |  |  |
Revenues |  |  |  |  |
Total revenues | 300.3 | 311.8 | 991.1 | 1,058.7 |
New vehicle | Retail Automotive Dealership |  |  |  |  |
Revenues |  |  |  |  |
Total revenues | 2,332.3 | 2,350.2 | 6,873.9 | 7,325.6 |
Used vehicle | Retail Automotive Dealership |  |  |  |  |
Revenues |  |  |  |  |
Total revenues | 1,824.5 | 1,825.2 | 5,529.2 | 5,588.9 |
Finance and insurance, net | Retail Automotive Dealership |  |  |  |  |
Revenues |  |  |  |  |
Total revenues | 166.0 | 158.5 | 491.5 | 482.2 |
Service and parts | Retail Automotive Dealership |  |  |  |  |
Revenues |  |  |  |  |
Total revenues | 543.5 | 523.8 | 1,654.0 | 1,615.1 |
Fleet and wholesale | Retail Automotive Dealership |  |  |  |  |
Revenues |  |  |  |  |
Total revenues | $ 289.1 | $ 290.8 | $ 894.3 | $ 888.2 |

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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