Other Balance Sheet Items - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Payables and Accruals [Abstract]
Account wagering deposits liability	$ 53.0	$ 57.8
Purses payable	38.6	39.6
Purses payable	44.3	46.1
Accrued interest	76.7	47.8
Accrued fixed assets	41.9	39.5
Accrued gaming liabilities	28.3	26.3
Other	118.6	106.0
Total	$ 401.4	$ 363.1