Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Account wagering deposits liability	$ 41.3	$ 28.9
Accrued interest	21.7	19.7
Purses payable	20.2	19.9
Accrued salaries and related benefits	21.4	29.2
Other	87.8	75.7
Total	$ 192.4	$ 173.4