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Goodwill and Other Intangible Assets (Tables) | 6 Months Ended
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Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Summary of activity in the goodwill account | The following table summarizes the activities in the Company’s goodwill balance during the six months ended September 30, 2018 (in thousands):
As of March 31, 2018 |  | $ | 275,451 |
Acquisition (Note 2) |  | 71,116 |
Currency translation |  | (19 | )
As of September 30, 2018 |  | $ | 346,548 |
Schedule of intangible assets subject to amortization | The Company's acquired intangible assets subject to amortization were as follows (in thousands):
|  | September 30, 2018 |  | March 31, 2018
|  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Trademark and trade names |  | $ | 36,370 |  |  | $ | (11,199 | ) |  | $ | 25,171 |  |  | $ | 23,870 |  |  | $ | (9,482 | ) |  | $ | 14,388 |
Developed technology |  | 95,207 |  |  | (55,722 | ) |  | 39,485 |  |  | 77,175 |  |  | (50,755 | ) |  | 26,420 |
Customer contracts/relationships |  | 82,310 |  |  | (16,428 | ) |  | 65,882 |  |  | 59,510 |  |  | (12,771 | ) |  | 46,739 |
Total |  | $ | 213,887 |  |  | $ | (83,349 | ) |  | $ | 130,538 |  |  | $ | 160,555 |  |  | $ | (73,008 | ) |  | $ | 87,547 |

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- Definition Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 + Details
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