CASH, CASH EQUIVALENTS, RESTRICTED CASH AND MARKETABLE SECURITIES (Tables)

3 Months Ended

Jun. 30, 2019

Investments, Debt and Equity Securities [Abstract]

Schedule of Cash, Cash Equivalents

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the consolidated balance sheets that sum to the total of the same such amounts shown in the consolidated statements of cash flows (in thousands):

	June 30, 2019		March 31, 2019		June 30, 2018		March 31, 2018
Cash and cash equivalents	$	353,721	$	409,632	$	353,416	$	369,821
Restricted cash	1,189		188		910		910
Total cash, cash equivalents and restricted cash	$	354,910	$	409,820	$	354,326	$	370,731

Schedule of Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the consolidated balance sheets that sum to the total of the same such amounts shown in the consolidated statements of cash flows (in thousands):

	June 30, 2019		March 31, 2019		June 30, 2018		March 31, 2018
Cash and cash equivalents	$	353,721	$	409,632	$	353,416	$	369,821
Restricted cash	1,189		188		910		910
Total cash, cash equivalents and restricted cash	$	354,910	$	409,820	$	354,326	$	370,731

Summary of Marketable Securities

The following is a summary of marketable securities held by NetScout at June 30, 2019, classified as short-term and long-term (in thousands):

	Amortized Cost		Unrealized Gains		Fair Value
Type of security:
U.S. government and municipal obligations	$	44,101	$	31	$	44,132
Commercial paper	37,553		—		37,553
Corporate bonds	2,663		6		2,669
Total short-term marketable securities	84,317		37		84,354
U.S. government and municipal obligations	5,067		20		5,087
Total long-term marketable securities	5,067		20		5,087
Total marketable securities	$	89,384	$	57	$	89,441

The following is a summary of marketable securities held by NetScout at March 31, 2019, classified as short-term and long-term (in thousands):

	Amortized Cost		Unrealized Gains		Fair Value
Type of security:
U.S. government and municipal obligations	$	27,610	$	12	$	27,622
Commercial paper	48,722		—		48,722
Total short-term marketable securities	76,332		12		76,344
Corporate bonds	1,007		5		1,012
Total long-term marketable securities	1,007		5		1,012
Total marketable securities	$	77,339	$	17	$	77,356

Summary of Contractual Maturities of Marketable Securities

Contractual maturities of the Company's marketable securities held at June 30, 2019 and March 31, 2019 were as follows (in thousands):

	June 30, 2019		March 31, 2019
Available-for-sale securities:
Due in 1 year or less	$	84,354	$	76,344
Due after 1 year through 5 years	5,087		1,012
	$	89,441	$	77,356