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Revenues - Remaining Performance Obligations (Details)
$ in Millions
Sep. 30, 2020
USD ($)
Remaining Performance Obligations  
Revenue, Remaining Performance Obligation, Amount $ 517.4
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-07-01  
Remaining Performance Obligations  
Percentage of remaining performance obligation expected to be recognized as of June 30, 2019 73.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 12 months