SEGMENT AND GEOGRAPHIC INFORMATION (Details) $ in Thousands	3 Months Ended
	Jun. 30, 2018 USD ($) Segment	Jun. 30, 2017 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | Segment	1
Segment Reporting Information [Line Items]
Total revenue	$ 205,111	$ 225,756
United States
Segment Reporting Information [Line Items]
Total revenue	127,246	138,618
Europe
Segment Reporting Information [Line Items]
Total revenue	31,021	35,448
Asia
Segment Reporting Information [Line Items]
Total revenue	17,900	19,527
Rest of the world
Segment Reporting Information [Line Items]
Total revenue	$ 28,944	$ 32,163