CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables)

12 Months Ended

Mar. 31, 2020

Cash and Cash Equivalents [Abstract]

Schedule of Cash and 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):

	March 31, 2020		March 31, 2019		March 31, 2018		March 31, 2017
Cash and cash equivalents	$	338,489	$	409,632	$	369,821	$	304,880
Restricted cash	1,748		188		910		846
Total cash, cash equivalents and restricted cash	$	340,237	$	409,820	$	370,731	$	305,726

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):

	March 31, 2020		March 31, 2019		March 31, 2018		March 31, 2017
Cash and cash equivalents	$	338,489	$	409,632	$	369,821	$	304,880
Restricted cash	1,748		188		910		846
Total cash, cash equivalents and restricted cash	$	340,237	$	409,820	$	370,731	$	305,726

Summary of Marketable Securities Classified as Short-term and Long-term

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

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 March 31, 2020 and March 31, 2019 were as follows (in thousands):

	March 31, 2020		March 31, 2019
Available-for-sale securities:
Due in 1 year or less	$	47,969	$	76,344
Due after 1 year through 5 years	2,613		1,012
	$	50,582	$	77,356