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Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:    
Operating cash flows from finance leases $ 3.3 $ 3.9
Operating cash flows from operating leases 9.5 8.3
Financing cash flows from finance leases 13.9 8.2
Right-of-use assets obtained in exchange for lease obligations:    
New operating leases 6.8 5.1
New finance leases $ 4.0 $ 13.4