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CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables)
 3 Months Ended
Jun. 30, 2022
Investments, Debt and Equity Securities [Abstract]  
Summary of Marketable Securities
The following is a summary of marketable securities held by NetScout at June 30, 2022, classified as short-term and long-term (in thousands):
Amortized
Cost		Unrealized
Losses		Fair
Value
Type of security:
U.S. government and municipal obligations$14,981 $(43)$14,938 
Commercial paper21,035 — 21,035 
Corporate bonds827 (3)824 
Certificates of deposit5,347 — 5,347 
Total short-term marketable securities42,190 (46)42,144 
Total long-term marketable securities— — — 
Total marketable securities$42,190 $(46)$42,144 
The following is a summary of marketable securities held by NetScout at March 31, 2022, classified as short-term and long-term (in thousands):
Amortized
Cost		Unrealized
Losses		Fair
Value
Type of security:
U.S. government and municipal obligations$40,895 $(32)$40,863 
Commercial paper23,353 — 23,353 
Corporate bonds823 (2)821 
Certificates of deposit2,000 — 2,000 
Total short-term marketable securities67,071 (34)67,037 
Total long-term marketable securities— — — 
Total marketable securities$67,071 $(34)$67,037 
Summary of Contractual Maturities of Marketable Securities
Contractual maturities of the Company's marketable securities held at June 30, 2022 and March 31, 2022 were as follows (in thousands):
June 30,
2022		March 31,
2022
Available-for-sale securities:
Due in 1 year or less$42,144 $67,037 
Due after 1 year through 5 years— — 
$42,144 $67,037