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Accrued Liabilities - Schedule of Accrued Liabilities (Detail) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Accrued Liabilities, Current [Abstract]    
Accrued interest $ 35.5 $ 35.4
Accrued capital expenditures 25.9 24.1
Other accruals 21.3 23.4
Total $ 82.7 $ 82.9