CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES

12 Months Ended

Mar. 31, 2015

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, 2015 and 2014.

The following is a summary of marketable securities held by NetScout at March 31, 2015 classified as short-term and long-term (in thousands):

	Amortized Cost		Unrealized Gains (Losses)			Fair Value
Type of security:
U.S. government and municipal obligations	$	88,651	$	3		$	88,654
Commercial paper	5,093		2			5,095
Corporate bonds	7,644		(1		)	7,643
Total short-term marketable securities	101,388		4			101,392
U.S. government and municipal obligations	56,683		8			56,691
Corporate bonds	1,880		1			1,881
Total long-term marketable securities	58,563		9			58,572
Total marketable securities	$	159,951	$	13		$	159,964

The following is a summary of marketable securities held by NetScout at March 31, 2014, classified as short-term and long-term (in thousands):

	Amortized Cost		Unrealized Gains			Fair Value
Type of security:
U.S. government and municipal obligations	$	53,854	$	26		$	53,880
Commercial paper	14,581		—			14,581
Corporate bonds	6,772		1			6,773
Total short-term marketable securities	75,207		27			75,234
U.S. government and municipal obligations	37,875		2			37,877
Corporate bonds	3,611		(4		)	3,607
Total long-term marketable securities	41,486		(2		)	41,484
Total marketable securities	$	116,693	$	25		$	116,718

Contractual maturities of the Company’s marketable securities held at March 31, 2015 and March 31, 2014 were as follows (in thousands):

	March 31, 2015		March 31, 2014
Available-for-sale securities:
Due in 1 year or less	$	101,392	$	75,234
Due after 1 year through 5 years	58,572		41,484
	$	159,964	$	116,718