ACQUISITIONS - Schedule of Fair value of Acquired Identifiable Intangible Assets and Related Estimates of Useful Lives (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 12, 2017	Mar. 31, 2018
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life of acquired intangible assets		14 years 7 months 2 days
Efflux Systems, Inc.
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of finite-lived intangible assets	$ 2,590
Weighted average useful life of acquired intangible assets	10 years
Efflux Systems, Inc. | Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of finite-lived intangible assets	$ 1,980
Weighted average useful life of acquired intangible assets	10 years
Efflux Systems, Inc. | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of finite-lived intangible assets	$ 610
Weighted average useful life of acquired intangible assets	10 years