CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES

12 Months Ended

Mar. 31, 2014

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, 2014 and 2013.

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 (Losses)			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

The following is a summary of marketable securities held by NetScout at March 31, 2013, classified as short-term and long-term (in thousands):

	Amortized Cost		Unrealized Gains		Fair Value
Type of security:
U.S. government and municipal obligations	$	17,416	$	11	$	17,427
Commercial paper	12,390		—		12,390
Corporate bonds	2,559		2		2,561
Certificates of deposit	4,960		—		4,960
Total short-term marketable securities	37,325		13		37,338
U.S. government and municipal obligations	14,211		7		14,218
Corporate bonds	2,605		—		2,605
Total long-term marketable securities	16,816		7		16,823
Total marketable securities	$	54,141	$	20	$	54,161

Contractual maturities of the Company’s marketable securities held at March 31, 2014 and March 31, 2013 were as follows (in thousands):

	March 31, 2014		March 31, 2013
Available-for-sale securities:
Due in 1 year or less	$	75,234	$	37,338
Due after 1 year through 5 years	41,484		16,823
	$	116,718	$	54,161