Supplemental Balance Sheet Information - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Payables and Accruals [Abstract]
Account wagering deposits liability	$ 63.1	$ 58.7
Accrued salaries and related benefits	57.7	45.1
Purses payable	35.4	35.2
Accrued interest	48.2	49.4
Accrued fixed assets	42.7	88.6
Accrued gaming liabilities	35.3	29.5
Accrued insurance	13.1	12.8
Accrued property taxes	9.7	8.5
Current lease liabilities	8.7	7.8
Other	88.1	91.2
Total	$ 402.0	$ 426.8