ALLOWANCE FOR DOUBTFUL ACCOUNTS:

12 Months Ended

Mar. 31, 2017

ALLOWANCE FOR DOUBTFUL ACCOUNTS:

ALLOWANCE FOR DOUBTFUL ACCOUNTS:

11.ALLOWANCE FOR DOUBTFUL ACCOUNTS:

A summary of the activity of the allowance for doubtful accounts, returns and credits is as follows (dollars in thousands):

							Bad debts
	Balance at		Additions				written off,
	beginning		charged to				net of		Balance at
	of		costs and		Other		amounts		end of
	period		expenses		changes		recovered		period
2015:
Allowance for doubtful accounts, returns and credits	$	4,875	$	731	$	(288)	$	(895)	$	4,423
2016:
Allowance for doubtful accounts, returns and credits	$	4,423	$	3,673	$	56	$	(890)	$	7,262
2017:
Allowance for doubtful accounts, returns and credits	$	7,262	$	1,859	$	(372)	$	(2,643)	$	6,106

Other changes in the table above result primarily from the effects of exchange rates ($0.1 million) and disposition of the Impact email business ($0.3 million).