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Asset Impairments (Details) - USD ($) $ in Millions	3 Months Ended				12 Months Ended
Asset Impairments (Details) - USD ($) $ in Millions	Sep. 30, 2024	Jun. 30, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Indefinite-lived Intangible Assets [Line Items]
Impairment, Intangible Asset, Statement of Income or Comprehensive Income [Extensible Enumeration]					Accrued expenses and other current liabilities
Asset impairments					$ 3.9	$ 24.6	$ 38.3
Wagering Services and Solutions
Indefinite-lived Intangible Assets [Line Items]
Asset impairments				$ 4.9
Live and Historical Racing
Indefinite-lived Intangible Assets [Line Items]
Asset impairments	$ 3.9
Presque Isle Downs & Casino
Indefinite-lived Intangible Assets [Line Items]
Non-cash impairment charge			$ 33.4
Presque Isle Downs & Casino
Indefinite-lived Intangible Assets [Line Items]
Asset impairments		$ 24.5