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Leases - Lease Expense and Cash Flow Information (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Leases [Abstract]    
Operating lease costs $ 32.7 $ 37.5
Finance lease costs:    
Amortization of leased assets 18.9 13.8
Interest on lease liabilities 19.7 12.6
Total finance lease costs 38.6 26.4
Variable and short-term lease costs 8.5 9.8
Total lease costs 79.8 73.7
Cash paid for amounts included in the measurement of lease liabilities:    
Operating cash outflows from operating leases 31.7 36.7
Operating cash outflows from finance leases 19.6 11.9
Financing cash outflows from finance leases 12.1 10.6
Right-of-use assets obtained in exchange for operating lease obligations 31.1 31.4
Right-of-use assets obtained in exchange for finance lease obligations $ 91.9 $ 6.6