Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Accrued salaries and wages	$ 151.8	$ 142.1
Accrued gaming, pari-mutuel, property, and other taxes	93.5	103.3
Accrued interest	10.8	13.0
Other accrued expenses	222.8	225.8
Other current liabilities	130.8	147.1
Accrued expenses and other current liabilities	609.7	631.3
Accrued progressive jackpot liability	40.7	38.3
Deferred compensation liability, current	$ 76.8	$ 80.1