CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables)

3 Months Ended

Jun. 30, 2016

Investments, Debt and Equity Securities [Abstract]

Summary of Marketable Securities

The following is a summary of marketable securities held by NetScout at June 30, 2016, classified as short-term and long-term (in thousands):

	Amortized Cost		Unrealized Gains		Fair Value
Type of security:
U.S. government and municipal obligations	$	82,005	$	24	$	82,029
Commercial paper	26,714		—		26,714
Total short-term marketable securities	108,719		24		108,743
U.S. government and municipal obligations	15,276		33		15,309
Total long-term marketable securities	15,276		33		15,309
Total marketable securities	$	123,995	$	57	$	124,052

The following is a summary of marketable securities held by NetScout at March 31, 2016, classified as short-term and long-term (in thousands):

	Amortized Cost		Unrealized Gains		Fair Value
Type of security:
U.S. government and municipal obligations	$	109,963	$	4	$	109,967
Commercial paper	16,172		—		16,172
Corporate bonds	1,864		—		1,864
Total short-term marketable securities	127,999		4		128,003
U.S. government and municipal obligations	13,349		12		13,361
Total long-term marketable securities	13,349		12		13,361
Total marketable securities	$	141,348	$	16	$	141,364

Summary of Contractual Maturities of Marketable Securities

Contractual maturities of the Company’s marketable securities held at June 30, 2016 and March 31, 2016 were as follows (in thousands):

	June 30, 2016		March 31, 2016
Available-for-sale securities:
Due in 1 year or less	$	108,743	$	128,003
Due after 1 year through 5 years	15,309		13,361
	$	124,052	$	141,364