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REVENUES - Remaining Performance Obligations (Details)
$ in Millions
Jun. 30, 2021
USD ($)
Remaining Performance Obligations  
Revenue, Remaining Performance Obligation, Amount $ 539.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01  
Remaining Performance Obligations  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 12 months