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Commitments and Contingencies - Schedule Of Operating Lease Maturity (Details)
$ in Millions
Dec. 31, 2018
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2019 $ 22.0
2020 18.7
2021 16.4
2022 8.8
2023 6.8
Thereafter 20.3
Total obligations $ 93.0