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Commitments and Contingencies - Future Minimum Purchase Obligations Under Non-cancelable Agreements (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2020 $ 275.0
2021 24.3
2022 345.2
2023 8.8
2024 6.8
Thereafter 5.5
Total $ 665.6