GOODWILL: (Tables)

12 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

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

Goodwill for the years ended March 31, 2020 and 2019 was as follows (dollars in thousands):

	Total
Balance at March 31, 2018	$	203,639
Reallocation from AMS	1,377
Change in foreign currency translation adjustment	(360)
Balance at March 31, 2019	$	204,656
Acquisition of Faktor	3,110
Acquisition of DPM	90,619
Change in foreign currency translation adjustment	(589)
Balance at March 31, 2020	$	297,796

Goodwill by geography as of March 31, 2020 was: 

	Total
U.S.	$	295,181
APAC	2,615
Balance at March 31, 2020	$	297,796

Schedule of amortization activity of intangible assets

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

	March 31, 2020		March 31, 2019
Developed technology, gross	$	66,451	$	54,000
Accumulated amortization	(54,713)		(49,625)
Net developed technology	$	11,738	$	4,375
Customer relationship/Trade name, gross	$	42,993	$	35,800
Accumulated amortization	(33,109)		(26,128)
Net customer/trade name	$	9,884	$	9,672
Publisher/Data supply relationships, gross	$	39,800	$	23,800
Accumulated amortization	(16,222)		(9,255)
Net publisher relationship	$	23,578	$	14,545
Total intangible assets, gross	$	149,244	$	113,600
Total accumulated amortization	(104,044)		(85,008)
Total intangible assets, net	$	45,200	$	28,592

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

The following table presents the estimated future amortization expenses related to purchased intangible assets (dollars in thousands): 

Fiscal Year:
2021	$	17,363
2022	14,092
2023	11,683
2024	2,062
	$	45,200