Goodwill and Intangible Assets Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Jul. 04, 2015	Jan. 03, 2015
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets	$ 7,745	$ 7,745
Finite-Lived Intangible Assets, Accumulated Amortization	2,534	2,118
Developed technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets	5,231	5,231
Finite-Lived Intangible Assets, Accumulated Amortization	1,586	1,342
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets	2,413	2,413
Finite-Lived Intangible Assets, Accumulated Amortization	847	675
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets	101	101
Finite-Lived Intangible Assets, Accumulated Amortization	$ 101	$ 101