Other Assets and Liabilities - Schedule of Other Accrued and Current Liabilities (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Other Assets and Other Liabilities [Abstract]
Accrued operating costs	$ 96.4	$ 94.3
Accrued interest expense	10.8	5.3
Short-term lease liability	14.3	15.0
Accrued income tax	2.1	15.3
Other accrued liabilities	48.9	66.2
Total	172.5	$ 196.1
Operating lease liability, current	$ 0.1