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Other Intangible Assets - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Nov. 01, 2022	Sep. 26, 2022
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets (excluding goodwill)			$ 2,391.8	$ 348.1
Amortization of definite-lived intangible assets			4.7	4.8	$ 4.9
Additional payments not included in future estimated amortization expense			2.3
Calder
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired			2.3	2.3
Gaming | Terre Haute Property
Finite-Lived Intangible Assets [Line Items]
Gaming rights intangible asset		$ 5.0
Trademarks
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets (excluding goodwill)			125.7	47.7
Gaming rights
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets (excluding goodwill)			2,256.5	$ 288.2
P2E Transaction
Finite-Lived Intangible Assets [Line Items]
Other intangible assets						$ 1,941.5
P2E Transaction | Trademarks
Finite-Lived Intangible Assets [Line Items]
Other intangible assets						$ 75.9
P2E Transaction | Gaming Rights
Finite-Lived Intangible Assets [Line Items]
Other intangible assets			$ 1,900.0
Ellis Park
Finite-Lived Intangible Assets [Line Items]
Gaming rights intangible asset	$ 47.4
Ellis Park | Trademarks
Finite-Lived Intangible Assets [Line Items]
Gaming rights intangible asset	$ 3.6
Other intangible assets							$ 3.6
Ellis Park | Gaming Rights
Finite-Lived Intangible Assets [Line Items]
Other intangible assets							$ 47.4

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