Other Assets and Liabilities - Other Accrued and Current Liabilities (Details) - USD ($) $ in Millions	1 Months Ended	6 Months Ended
	Feb. 28, 2023	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Other Assets and Other Liabilities [Abstract]
Accrued operating costs		$ 94.3		$ 122.1
Accrued interest expense		4.5		4.3
Short-term lease liability		15.4		17.7
Accrued income tax		8.0		13.2
Accrued liability related to the purchase of non-controlling interest		9.9		93.7
Other accrued liabilities		59.1		65.8
Total		191.2		$ 316.8
Payments for purchase of noncontrolling Interest	$ 85.9	85.9	$ 0.0
Foreign exchange gain (loss)		$ (2.6)