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Revenue Recognition - Remaining Performance Obligations (Details)
$ in Millions
Jun. 30, 2021
USD ($)
Remaining performance obligations  
Remaining Performance Obligations $ 65.4
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-07-01  
Remaining performance obligations  
Remaining Performance Obligations $ 55.2
Remaining Performance Obligations, period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-01  
Remaining performance obligations  
Remaining Performance Obligations $ 10.2
Remaining Performance Obligations, period