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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
12 Months Ended
Mar. 31, 2018
Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
NetScout Systems, Inc.
Schedule II—Valuation and Qualifying Accounts
(in thousands)
 
 
Balance at
Beginning
of Year
 
Additions
Resulting in
Charges to
Operations
 
Charges to
Other
Accounts
 
 
Deductions
Due to Write-Offs
 
Balance at
End of Year
Year ended March 31, 2016
 
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
$
173

 
$
1,824

 
$
3,221

  
 
$
(149
)
 
$
5,069

Deferred tax asset valuation allowance
$
3,906

 
$
99

 
$


 
$
(228
)
 
$
3,777

Year ended March 31, 2017
 
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
$
5,069

 
$
6,961

 
$
(7,580
)
  
 
$
(2,384
)
 
$
2,066

Deferred tax asset valuation allowance
$
3,777

 
$
(338
)
 
$
(65
)
  
 
$

 
$
3,374

Year ended March 31, 2018
 
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
$
2,066

 
$
695

 
$
(346
)
 
 
$
(424
)
 
$
1,991

Deferred tax asset valuation allowance
$
3,374

 
$

 
$

 
 
$
(266
)
 
$
3,108