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Leases - Supplemental Income Statement Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Operating lease cost:      
Operating leases $ 18.9 $ 19.8 $ 28.8
Short-term leases 30.6 15.5 39.1
Variable leases 7.6 2.7 4.6
Sublease income (1.3) (1.9) (2.3)
Total operating lease cost 55.8 36.1 70.2
Finance leases:      
Amortization of right-of-use assets 6.3 5.9 3.5
Interest on lease liabilities 2.1 2.7 0.8
Total finance lease cost $ 8.4 $ 8.6 $ 4.3