CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES

12 Months Ended

Mar. 31, 2017

Cash and Cash Equivalents [Abstract]

CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES

CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES

Cash and cash equivalents consisted of money market instruments and cash maintained with various financial institutions at March 31, 2017 and 2016.

The following is a summary of marketable securities held by NetScout at March 31, 2017 classified as short-term and long-term (in thousands):

	Amortized Cost		Unrealized Losses			Fair Value
Type of security:
U.S. government and municipal obligations	$	98,989	$	(21	)	$	98,968
Commercial paper	29,469		—			29,469
Corporate bonds	7,959		(3		)	7,956
Certificates of deposit	1,499		—			1,499
Total short-term marketable securities	137,916		(24		)	137,892
U.S. government and municipal obligations	21,952		(19		)	21,933
Total long-term marketable securities	21,952		(19		)	21,933
Total marketable securities	$	159,868	$	(43	)	$	159,825

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

Contractual maturities of the Company’s marketable securities held at March 31, 2017 and March 31, 2016 were as follows (in thousands):

	March 31, 2017		March 31, 2016
Available-for-sale securities:
Due in 1 year or less	$	137,892	$	128,003
Due after 1 year through 5 years	21,933		13,361
	$	159,825	$	141,364