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Supplemental Balance Sheet Information - Schedule of Estimated Amortization Expense (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Estimated Amortization Expense    
Remainder of 2020 $ 13.5  
2021 17.0  
2022 15.9  
2023 15.3  
2024 15.1  
Thereafter 102.5  
Net Carrying Amount $ 179.3 $ 184.3