Business Acquisition - Acquisition and Integration Expenses (Details) - TVN [Member] $ in Thousands	3 Months Ended
	Apr. 01, 2016 USD ($)
Business Acquisition [Line Items]
Business Combination, Acquisition And Integration Costs	$ 3,096
Cost of Goods, Product Line [Member]
Business Acquisition [Line Items]
Business Combination, Acquisition And Integration Costs	58
Research and Development Expense [Member]
Business Acquisition [Line Items]
Business Combination, Acquisition And Integration Costs	50
Selling, General and Administrative Expenses [Member]
Business Acquisition [Line Items]
Business Combination, Acquisition And Integration Costs	2,988
Operating Expense [Member]
Business Acquisition [Line Items]
Business Combination, Acquisition And Integration Costs	$ 3,038