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Goodwill and Franchise Value - Schedule of Goodwill (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Goodwill [Roll Forward] |  |
Balance at the beginning | $ 1,460.7 | $ 977.3
Additions through acquisitions | 519.1 | 500.4
Reductions through divestitures | (51.1) | (17.9)
Currency translation | 1.9 | 0.9
Balance at the end | 1,930.6 | 1,460.7
2021 Acquisition |  |
Goodwill [Roll Forward] |  |
Adjustments to purchase price allocations |  | 500.4
2022 Acquisition |  |
Goodwill [Roll Forward] |  |
Balance at the beginning | 30.1 |
Balance at the end |  | 30.1
Adjustments to purchase price allocations | 285.9 |
2023 Acquisition |  |
Goodwill [Roll Forward] |  |
Balance at the end | 233.2 |
Adjustments to purchase price allocations | 233.2 |
Vehicle Operations |  |
Goodwill [Roll Forward] |  |
Balance at the beginning | 1,443.5 | 977.3
Additions through acquisitions | 519.1 | 483.4
Reductions through divestitures | (51.1) | (17.9)
Currency translation | 1.5 | 0.7
Balance at the end | 1,913.0 | 1,443.5
Financing Operations |  |
Goodwill [Roll Forward] |  |
Balance at the beginning | 17.2 | 0.0
Additions through acquisitions | 0.0 | 17.0
Reductions through divestitures | 0.0 | 0.0
Currency translation | 0.4 | 0.2
Balance at the end | $ 17.6 | $ 17.2

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