Other Assets and Liabilities - Schedule of Other Accrued and Current Liabilities (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Other Assets And Other Liabilities [Abstract]
Accrued operating costs	$ 104.8	$ 94.3
Accrued interest expense	10.1	5.3
Short-term lease liability	15.4	15.0
Accrued income tax	13.2	15.3
Other accrued liabilities	70.8	66.2
Total	214.3	$ 196.1
Operating lease liability, current	$ 0.1