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

6 Months Ended

Sep. 30, 2020

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):

	September 30, 2020		March 31, 2020		September 30, 2019		March 31, 2019
Cash and cash equivalents	$	415,719	$	338,489	$	245,064	$	409,632
Restricted cash	748		1,748		1,000		188
Total cash, cash equivalents and restricted cash	$	416,467	$	340,237	$	246,064	$	409,820

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):

	September 30, 2020		March 31, 2020		September 30, 2019		March 31, 2019
Cash and cash equivalents	$	415,719	$	338,489	$	245,064	$	409,632
Restricted cash	748		1,748		1,000		188
Total cash, cash equivalents and restricted cash	$	416,467	$	340,237	$	246,064	$	409,820

Summary of Marketable Securities

The following is a summary of marketable securities held by NetScout at September 30, 2020, classified as short-term and long-term (in thousands):

	Amortized Cost		Unrealized Gains		Fair Value
Type of security:
U.S. government and municipal obligations	$	3,585	$	29	$	3,614
Commercial paper	6,595		—		6,595
Corporate bonds	1,908		10		1,918
Total short-term marketable securities	12,088		39		12,127
Total long-term marketable securities	—		—		—
Total marketable securities	$	12,088	$	39	$	12,127

The following is a summary of marketable securities held by NetScout at March 31, 2020, classified as short-term and long-term (in thousands):

	Amortized Cost		Unrealized Gains		Fair Value
Type of security:
U.S. government and municipal obligations	$	28,621	$	107	$	28,728
Commercial paper	14,644		—		14,644
Corporate bonds	4,587		10		4,597
Total short-term marketable securities	47,852		117		47,969
U.S. government and municipal obligations	2,562		51		2,613
Total long-term marketable securities	2,562		51		2,613
Total marketable securities	$	50,414	$	168	$	50,582

Summary of Contractual Maturities of Marketable Securities

Contractual maturities of the Company's marketable securities held at September 30, 2020 and March 31, 2020 were as follows (in thousands):

	September 30, 2020		March 31, 2020
Available-for-sale securities:
Due in 1 year or less	$	12,127	$	47,969
Due after 1 year through 5 years	—		2,613
	$	12,127	$	50,582