Accrued Liabilities and Other Current Liabilities - Schedule of Accrued Liabilities (Detail) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Accrued Liabilities, Current [Abstract]
Accrued interest	$ 38.6	$ 35.8
Accrued capital expenditures	27.1	42.9
Other accruals	28.1	27.2
Total	$ 93.8	$ 105.9