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Business Acquisition - Intangible Assets Useful Life (Details) - TVN [Member] - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2016 | Jul. 01, 2016
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Intangibles |  | $ 41,100 |
Backlog |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 6 months |
Intangibles |  | $ 3,600 |
Developed Technology |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 4 years | 4 years
Intangibles |  | $ 21,700 |
Customer Relationships |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 5 years |
Intangibles |  | $ 15,200 |
In Process Research and Development |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets | [1] | $ 0 |
Trade Name |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 4 years |
Intangibles |  | $ 600 |
[1] | By the end of the second quarter of 2016, the Company completed the TVN in-process research and development activities and as a result, the in-process research and development of $1.1 million was reclassified to developed technology.

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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