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Goodwill and Other Intangible Assets - Schedule of Intangible Assets Subject to Amortization (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Mar. 31, 2018
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Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 160,620 | $ 160,555
Accumulated Amortization | (77,901) | (73,008)
Net Carrying Amount | 82,719 | 87,547
Trademark and trade names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 23,870 | 23,870
Accumulated Amortization | (10,265) | (9,482)
Net Carrying Amount | 13,605 | 14,388
Developed technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 77,240 | 77,175
Accumulated Amortization | (53,131) | (50,755)
Net Carrying Amount | 24,109 | 26,420
Customer contracts/relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 59,510 | 59,510
Accumulated Amortization | (14,505) | (12,771)
Net Carrying Amount | $ 45,005 | $ 46,739

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