Business Acquisition, Intangible Assets Useful Lives (Details) - TVN [Member] - USD ($) $ in Thousands		6 Months Ended	12 Months Ended
		Jul. 01, 2016	Dec. 31, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Intangibles			$ 41,100
Order or Production Backlog [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			6 months
Intangibles			$ 3,600
Developed Technology Rights [Member]
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 [Member]
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 [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets	[1]		$ 0
Trade Names [Member]
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.