Intangible Assets and Acquisition Related Charges (Details) (SiliconBlue Technologies Ltd., USD $)	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)			6 years 3 months 18 days
Gross	$ 18,500,000		$ 18,500,000
Accumulated Amortization	(7,489,000)		(7,489,000)
Intangible assets, net of amortization	11,011,000		11,011,000
Amortization of acquired intangible assets	700,000	700,000	1,500,000	1,500,000
Expected acquired intangible assets amortization expense, 2014	2,900,000		2,900,000
Expected acquired intangible assets amortization expense, 2015	2,900,000		2,900,000
Expected acquired intangible assets amortization expense, 2016	2,900,000		2,900,000
Expected acquired intangible assets amortization expense, 2017	2,200,000		2,200,000
Expected acquired intangible assets amortization expense, 2018	1,500,000		1,500,000
Developed technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)			7 years
Gross	10,700,000		10,700,000
Accumulated Amortization	(3,885,000)		(3,885,000)
Intangible assets, net of amortization	6,815,000		6,815,000
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)			5 years 6 months
Gross	7,800,000		7,800,000
Accumulated Amortization	(3,604,000)		(3,604,000)
Intangible assets, net of amortization	$ 4,196,000		$ 4,196,000