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Commitments and Contingencies - Estimated Future Cash Outlays Related to Principal Contractual Obligations (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2020 $ 35.6
2021 21.2
2022 10.2
2023 10.0
2024 9.2
Total $ 86.2