Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Mar. 31, 2020

SEC Schedule, 12-09, 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, 2018
Allowance for doubtful accounts	$	2,066	$	695	$	(346)	$	(424)	$	1,991
Deferred tax asset valuation allowance	$	3,374	$	—	$	—	$	(266)	$	3,108
Year ended March 31, 2019
Allowance for doubtful accounts	$	1,991	$	826	$	(464)	$	(770)	$	1,583
Deferred tax asset valuation allowance	$	3,108	$	905	$	—	$	(3,178)	$	835
Year ended March 31, 2020
Allowance for doubtful accounts	$	1,583	$	1,450	$	(1,202)	$	(481)	$	1,350
Deferred tax asset valuation allowance	$	835	$	4,806	$	—	$	—	$	5,641