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Goodwill and Other Intangible Assets (Tables) | 6 Months Ended
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Sep. 30, 2017
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, 2017 (in thousands):
As of March 31, 2017 |  | $ | 249,741 |
Business acquisitions (See Note 2) |  | 21,386 |
Currency impact |  | 27 |
As of September 30, 2017 |  | $ | 271,154 |
Schedule of intangible assets subject to amortization | The Company's acquired intangible assets subject to amortization were as follows (in thousands):
|  | September 30, 2017 |  | March 31, 2017
|  | Gross Carrying Amount (Note 2) |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Trademark and trade names |  | $ | 23,380 |  |  | $ | (8,012 | ) |  | $ | 15,368 |  |  | $ | 16,500 |  |  | $ | (6,933 | ) |  | $ | 9,567 |
Developed Technology |  | 75,825 |  |  | (46,225 | ) |  | 29,600 |  |  | 63,285 |  |  | (42,831 | ) |  | 20,454 |
Customer contracts/relationships |  | 58,280 |  |  | (9,402 | ) |  | 48,878 |  |  | 25,180 |  |  | (7,637 | ) |  | 17,543 |
Total |  | $ | 157,485 |  |  | $ | (63,639 | ) |  | $ | 93,846 |  |  | $ | 104,965 |  |  | $ | (57,401 | ) |  | $ | 47,564 |

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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://www.xbrl.org/2003/role/presentationRef -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://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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