REVENUE RECOGNITION - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Retained earnings	$ 355,339	$ 358,093
Capitalized contract cost	7,200	6,400
Deferred tax liability	114,394	124,229
Revenue recognized	271,700
Deferred revenue	374,500
Capitalized contract cost, amortization	6,500	6,500
Prepaid expenses and other current assets
Disaggregation of Revenue [Line Items]
Capitalized contract cost	3,900	3,800
Other assets
Disaggregation of Revenue [Line Items]
Capitalized contract cost	$ 3,300	$ 2,600
Minimum
Disaggregation of Revenue [Line Items]
Payment terms	30 days
Maximum
Disaggregation of Revenue [Line Items]
Payment terms	90 days