INTANGIBLE ASSETS: (Tables)

12 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of amortization activity of intangible assets

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

	March 31, 2021		March 31, 2020
Developed technology, gross	$	78,547	$	66,451
Accumulated amortization	(60,424)		(54,713)
Net developed technology	$	18,123	$	11,738
Customer relationship/Trade name, gross	$	43,506	$	42,993
Accumulated amortization	(37,510)		(33,109)
Net customer/trade name	$	5,996	$	9,884
Publisher/Data supply relationships, gross	$	39,800	$	39,800
Accumulated amortization	(24,189)		(16,222)
Net publisher relationship	$	15,611	$	23,578
Total intangible assets, gross	$	161,853	$	149,244
Total accumulated amortization	(122,123)		(104,044)
Total intangible assets, net	$	39,730	$	45,200

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:
2022	17,401
2023	14,956
2024	4,945
2025	2,428
	$	39,730