SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Mar. 31, 2016

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, 2014
Allowance for doubtful accounts	$	971	$	250		$	(40	)	$	(868	)	$	313
Deferred tax asset valuation allowance	$	3,795	$	837		$	309		$	—		$	4,941
Year ended March 31, 2015
Allowance for doubtful accounts	$	313	$	(140	)	$	—		$	—		$	173
Deferred tax asset valuation allowance	$	4,941	$	152		$	—		$	(1,187	)	$	3,906
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