CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Statement of Cash Flows [Abstract]
Cash acquired from acquisition	$ 0.0	$ 52.0
Restricted cash balance	$ 94.7	$ 83.2	$ 89.2	$ 78.4