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Leases - Schedule of Cash Payments Related to Right of Use Assets (Details)
$ in Millions
Mar. 31, 2019
USD ($)
Operating Lease Liabilities Payments Due [Abstract]  
Remainder of 2019 $ 8.9
2020 11.3
2021 9.9
2022 7.2
2023 7.2
Thereafter 25.7
Total $ 70.2