Prepaid Expenses and Other (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Prepaid Expense and Other Assets [Abstract]
Prepaid expenses	$ 126.4	$ 81.6
Income tax receivable	23.5	25.7
Other	42.9	20.7
Prepaid expenses and other	$ 192.8	$ 128.0