CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Cash Flows [Abstract]
Transaction related costs		$ 37.0	$ 0.0	$ 0.0
Common stock repurchases	[1]	0.0	0.0	$ 19.3
Restricted cash		$ 1,941.7	0.2
Restricted cash and cash equivalents, current			$ 0.2

[1] Includes $19.3 in shares repurchased through our share repurchase program. On March 11, 2021, the share repurchase program expired with no further repurchases. Refer to Note 2, “Significant Accounting Policies” for further information.