Intangible Assets (Amortization Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Finite-Lived Intangible Assets [Line Items]
Amortization of acquired intangible assets	$ 8,941	$ 737	$ 11,883	$ 1,474
SiliconBlue Technologies Ltd. and Silicon Image, Inc
Finite-Lived Intangible Assets [Line Items]
Amortization of acquired intangible assets	9,164	737	12,167	1,474
Research and development | SiliconBlue Technologies Ltd. and Silicon Image, Inc
Finite-Lived Intangible Assets [Line Items]
Amortization of acquired intangible assets	$ 223	$ 0	$ 284	$ 0