Supplemental Financial Data - Other Accrued and Current Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accrued operating costs	$ 94.3	$ 122.1
Accrued interest expense	5.3	4.3
Short-term lease liability	15.0	17.7
Accrued income tax	15.3	13.2
Accrued liability related to the purchase of non-controlling interest	0.0	93.7
Other accrued liabilities	66.2	65.8
Total	196.1	$ 316.8
Foreign exchange loss	$ 2.6