Intangible Assets (Intangible Assets) (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Mar. 10, 2015	Oct. 01, 2016	Dec. 31, 2016	Jan. 02, 2016
Finite-Lived Intangible Assets [Line Items]
Total identified finite-lived Intangible assets, net of amortization			$ 96,522
Impairment		$ (7,900)
Total identified intangible assets, net of amortization			118,863	$ 162,583
SiliconBlue Technologies Ltd. and Silicon Image, Inc
Finite-Lived Intangible Assets [Line Items]
Total identified finite-lived intangible assets, gross			175,055	175,854
Total identified intangible assets, gross			197,396	210,854
Total identified finite-lived Intangible assets, net of amortization			96,522	127,583
Impairment			(7,866)	(8,995)
Accumulated Amortization			(70,667)	(39,276)
Total identified intangible assets, net of amortization			118,863	$ 162,583
SiliconBlue Technologies Ltd. and Silicon Image, Inc | Developed technology
Finite-Lived Intangible Assets [Line Items]
Asset Life in Years	4 years 8 months 12 days			4 years 8 months 12 days
Total identified finite-lived intangible assets, gross			141,359	$ 135,700
Total identified finite-lived Intangible assets, net of amortization			85,866	103,460
Impairment			0	(3,856)
Accumulated Amortization			(55,493)	$ (28,384)
SiliconBlue Technologies Ltd. and Silicon Image, Inc | Customer relationships
Finite-Lived Intangible Assets [Line Items]
Asset Life in Years	6 years 1 month 6 days			5 years 6 months
Total identified finite-lived intangible assets, gross			30,800	$ 37,258
Total identified finite-lived Intangible assets, net of amortization			9,240	21,963
Impairment			(7,866)	(5,139)
Accumulated Amortization			(13,694)	$ (10,156)
SiliconBlue Technologies Ltd. and Silicon Image, Inc | Licensed technology
Finite-Lived Intangible Assets [Line Items]
Asset Life in Years	3 years 3 months 18 days			2 years 6 months
Total identified finite-lived intangible assets, gross			2,127	$ 2,127
Total identified finite-lived Intangible assets, net of amortization			926	1,517
Impairment			0	0
Accumulated Amortization			(1,201)	$ (610)
SiliconBlue Technologies Ltd. and Silicon Image, Inc | Patents
Finite-Lived Intangible Assets [Line Items]
Asset Life in Years	5 years			5 years
Total identified finite-lived intangible assets, gross			769	$ 769
Total identified finite-lived Intangible assets, net of amortization			490	643
Impairment			0	0
Accumulated Amortization			(279)	(126)
In-process research and development | SiliconBlue Technologies Ltd. and Silicon Image, Inc
Finite-Lived Intangible Assets [Line Items]
In-process research and development			22,341	35,000
Impairment			$ 0	$ 0