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REVENUE RECOGNITION - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Contract with customer, revenue recognized $ 0.7   $ 5.7  
Amortization cost $ 7.3 $ 5.1 $ 20.1 $ 13.8
Minimum        
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Subscription term     1 year  
Maximum        
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Subscription term     5 years