Supplemental Balance Sheet Information - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Payables and Accruals [Abstract]
Account wagering deposits liability	$ 74.0	$ 58.7
Accrued salaries and related benefits	35.1	45.1
Purses payable	39.0	35.2
Accrued interest	48.9	49.4
Accrued fixed assets	64.1	88.6
Accrued gaming liabilities	29.6	29.5
Other	128.4	120.3
Total	$ 419.1	$ 426.8