Other Balance Sheet Items - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Payables and Accruals [Abstract]
Account wagering deposits liability	$ 50.7	$ 57.8
Accrued salaries and related benefits	18.8	39.6
Purses payable	41.3	46.1
Accrued interest	58.3	47.8
Accrued fixed assets	43.6	39.5
Accrued gaming liabilities	26.5	26.3
Other	109.0	103.9
Total	$ 348.2	$ 361.0