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GOODWILL AND INTANGIBLE ASSETS: (Tables) | 9 Months Ended
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Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of goodwill by operating segment and activity and by component included in each segment | Goodwill for the nine months ended December 31, 2018 (dollars in thousands) was as follows:
|  | Total
Balance at March 31, 2018 |  | $ | 203,639
Reallocation from AMS |  | 1,377
Change in foreign currency translation adjustment |  | (345)
Balance at December 31, 2018 |  | $ | 204,671
Goodwill by geography as of December 31, 2018 was:
|  | Total
U.S. |  | $ | 201,449
APAC |  | 3,222
Balance at December 31, 2018 |  | $ | 204,671
Schedule of amortization activity of intangible assets | The following table shows the amortization activity of intangible assets (dollars in thousands):
|  | December 31, 2018 |  | March 31, 2018 |  |
Developed technology, gross (Software) |  | $ | 54,000 |  | $ | 54,000 |  |
Accumulated amortization |  | (48,989) |  | (43,383) |  |
Net developed technology |  | $ | 5,011 |  | $ | 10,617 |  |
Customer relationship/Trade name, gross (Other assets, net) |  | $ | 35,800 |  | $ | 35,800 |  |
Accumulated amortization |  | (24,774) |  | (20,400) |  |
Net customer/trade name |  | $ | 11,026 |  | $ | 15,400 |  |
Publisher relationship, gross (Other assets, net) |  | $ | 23,800 |  | $ | 23,800 |  |
Accumulated amortization |  | (8,264) |  | (5,289) |  |
Net publisher relationship |  | $ | 15,536 |  | $ | 18,511 |  |
Total intangible assets, gross |  | $ | 113,600 |  | $ | 113,600 |  |
Total accumulated amortization |  | (82,027) |  | (69,072) |  |
Total intangible assets, net |  | $ | 31,573 |  | $ | 44,528 |  |
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: |
2019 | $ | 2,981
2020 | 11,925
2021 | 8,083
2022 | 5,150
2023 | 3,434
| $ | 31,573

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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