NATURE OF BUSINESS	12 Months Ended
Mar. 31, 2013
NATURE OF BUSINESS	NOTE 1 – NATURE OF BUSINESS NetScout Systems, Inc., or NetScout or the Company, designs, develops, manufactures, markets, licenses, sells and supports market leading unified service delivery management, service assurance and application and network performance management solutions focused on assuring service delivery for the world’s largest, most demanding and complex IP based service delivery environments. NetScout manufactures and markets these products in integrated hardware and software solutions that are used by commercial enterprises, large governmental agencies and telecommunication service providers worldwide. NetScout has a single operating segment and substantially all of its identifiable assets are located in the United States.

NATURE OF BUSINESS

12 Months Ended

Mar. 31, 2013

NOTE 1 – NATURE OF BUSINESS

NetScout Systems, Inc., or NetScout or the Company, designs, develops, manufactures, markets, licenses, sells and supports market leading unified service delivery management, service assurance and application and network performance management solutions focused on assuring service delivery for the world’s largest, most demanding and complex IP based service delivery environments. NetScout manufactures and markets these products in integrated hardware and software solutions that are used by commercial enterprises, large governmental agencies and telecommunication service providers worldwide. NetScout has a single operating segment and substantially all of its identifiable assets are located in the United States.