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Balance Sheet Details - Other Long-Term Liabilities (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Finance lease obligations $ 14.2 $ 14.4
Other liabilities 6.7 5.7
Total other liabilities $ 20.9 $ 20.1