REVENUE RECOGNITION - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Apr. 01, 2018	Mar. 31, 2019	Mar. 31, 2018
Disaggregation of Revenue [Line Items]
Retained earnings	$ 431,417	$ 358,093	$ 396,493
Capitalized contract cost	7,100	6,400
Deferred tax liability	158,687	124,229	$ 151,563
Revenue recognized		260,100
Deferred revenue	361,855	367,127
Capitalized contract cost, amortization		6,500
Prepaid expenses and other current assets
Disaggregation of Revenue [Line Items]
Capitalized contract cost		3,800
Other assets
Disaggregation of Revenue [Line Items]
Capitalized contract cost		$ 2,600
Minimum
Disaggregation of Revenue [Line Items]
Payment terms		30 days
Maximum
Disaggregation of Revenue [Line Items]
Payment terms		90 days
ASU 2014-09
Disaggregation of Revenue [Line Items]
Revenue will not be recognized in future periods	34,900
ASU 2014-09 | Effect of Change Higher (Lower)
Disaggregation of Revenue [Line Items]
Retained earnings	34,924	$ 18,328
Deferred tax liability	$ 7,124	$ 2,694