Accounts Payable and Accrued Expenses - Schedule of Accounts Payable and Accured Expenses (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Payables and Accruals [Abstract]
Trade accounts payable	$ 254.3	$ 254.7
Employee-related expenses	49.1	57.9
Accrued vacation	24.6	23.7
Miscellaneous accrued expenses	117.6	121.1
Total accounts payable and accrued expenses	$ 445.6	$ 457.4