GOODWILL AND INTANGIBLE ASSETS: (Tables)

6 Months Ended

Sep. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill by operating segment and activity and by component included in each segment

Goodwill for the six months ended September 30, 2019 (dollars in thousands) was as follows:

	Total
Balance at March 31, 2019	$	204,656
Acquisition of Faktor	3,110
Acquisition of DPM	89,942
Change in foreign currency translation adjustment	(231)
Balance at September 30, 2019	$	297,477

Goodwill by geography as of September 30, 2019 was: 

	Total
U.S.	$	294,404
APAC	3,073
Balance at September 30, 2019	$	297,477

Schedule of amortization activity of intangible assets

The following table shows the amortization activity of intangible assets (dollars in thousands):

	September 30, 2019		March 31, 2019
Developed technology, gross (Software)	$	78,500	$	54,000
Accumulated amortization	(52,633)		(49,625)
Net developed technology	$	25,867	$	4,375
Customer relationship/Trade name, gross (Other assets, net)	$	41,000	$	35,800
Accumulated amortization	(29,251)		(26,128)
Net customer/trade name	$	11,749	$	9,672
Publisher relationship, gross (Other assets, net)	$	30,800	$	23,800
Accumulated amortization	(11,676)		(9,255)
Net publisher relationship	$	19,124	$	14,545
Total intangible assets, gross	$	150,300	$	113,600
Total accumulated amortization	(93,560)		(85,008)
Total intangible assets, net	$	56,740	$	28,592

Schedule of estimated future amortization expenses related to purchases and other intangible assets

All other periods represent fiscal years ending March 31 (dollars in thousands): 

Fiscal Year:
2020	$	10,690
2021	17,650
2022	14,342
2023	11,933
2024	2,125
	$	56,740