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Goodwill and Other Intangible Assets | 6 Months Ended
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Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Other Intangible Assets | Goodwill and Other Intangible Assets The Company conducts its impairment analysis of goodwill annually at December 31 and as necessary, if changes in facts and circumstances indicate that it is more likely than not that the fair value of the Company’s reporting units may be less than its carrying amount. There have been no events or circumstances during the six months ended September 30, 2018 that have required the Company to perform an interim assessment of goodwill. 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 |
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 The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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