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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | Goodwill, by segment, is comprised of the following:
(in millions) | Live and Historical |  | TwinSpires |  | Gaming |  | All Other |  | Total
Balance, December 31, 2021 | $ | 52.4 |  |  | $ | 152.2 |  |  | $ | 161.2 |  |  | $ | 1.0 |  |  | $ | 366.8 |
Additions | 227.9 |  |  | — |  |  | 129.1 |  |  | — |  |  | 357.0 |
Balance, December 31, 2022 | 280.3 |  |  | 152.2 |  |  | 290.3 |  |  | 1.0 |  |  | 723.8 |
Additions | 95.9 |  |  | 81.2 |  |  | — |  |  | — |  |  | 177.1 |
Adjustments | — |  |  | — |  |  | — |  |  | (1.0) |  |  | (1.0) |
Balance, December 31, 2023 | $ | 376.2 |  |  | $ | 233.4 |  |  | $ | 290.3 |  |  | $ | — |  |  | $ | 899.9 |

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