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Leases - Lease Expense and Cash Flow Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Leases [Abstract]    
Operating lease costs $ 76.4 $ 74.1
Finance lease costs:    
Amortization of leased assets 25.1 26.2
Interest on lease liabilities 27.4 22.2
Total finance lease costs 52.5 48.4
Variable and short-term lease costs 17.8 16.9
Total lease costs 146.7 139.4
Cash paid for amounts included in the measurement of lease liabilities:    
Operating cash outflows from operating leases 74.3 68.1
Operating cash outflows from finance leases 26.5 20.7
Financing cash outflows from finance leases 20.1 18.3
Right-of-use assets obtained in exchange for lease obligations:    
Operating leases 68.7 62.1
Finance leases $ 73.4 $ 47.0