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Cover
May 08, 2025
May 05, 2025
Cover [Abstract]    
Document Type 8-K  
Document Period End Date   May 05, 2025
Entity Registrant Name NETSCOUT SYSTEMS, INC.  
Entity Incorporation, State or Country Code DE  
Entity File Number   000-26251
Entity Tax Identification Number 04-2837575  
Entity Address, Postal Zip Code 01886  
Entity Address, State or Province MA  
Entity Address, City or Town Westford  
Entity Address, Address Line One 310 Littleton Road  
Local Phone Number 614-4000  
City Area Code 978  
Written Communications false  
Soliciting Material false  
Pre-commencement Tender Offer false  
Pre-commencement Issuer Tender Offer false  
Title of 12(b) Security CommonStock  
Trading Symbol NTCT  
Security Exchange Name NASDAQ  
Entity Emerging Growth Company false  
Amendment Flag false  
Entity Central Index Key 0001078075