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Leases - Lease Expense and Cash Flow Information (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Leases [Abstract]    
Operating lease costs $ 16.4 $ 16.1
Finance lease costs:    
Amortization of leased assets 9.4 9.2
Interest on lease liabilities 12.3 9.9
Total finance lease costs 21.7 19.1
Variable and short-term lease costs 5.2 4.4
Total lease costs 43.3 39.6
Cash paid for amounts included in the measurement of lease liabilities:    
Operating cash outflows from operating leases 16.1 15.6
Operating cash outflows from finance leases 11.7 9.8
Financing cash outflows from finance leases 6.4 6.0
Right-of-use assets obtained in exchange for operating lease obligations 8.9 22.0
Right-of-use assets obtained in exchange for finance lease obligations $ 15.4 $ 89.3