REVENUE RECOGNITION - Remaining Performance Obligation (Details) $ in Millions	6 Months Ended
	Sep. 30, 2021 USD ($)
Minimum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Subscription term	1 year
Maximum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Subscription term	5 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 550.0
Revenue, remaining performance obligation, percentage	75.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period	36 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, percentage	25.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period