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Leases - Summary of Components of Lease Expense (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Lease cost      
Operating lease cost $ 17.7 $ 12.2 $ 11.6
Short-term lease cost 35.0 20.4 20.7
Variable lease cost 17.9 5.7 5.5
Finance lease cost      
Amortization of right-of-use assets 20.3 13.3 13.6
Interest expense 3.5 1.1 1.4
Total lease cost $ 94.4 $ 52.7 $ 52.8