Intangible Assets Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Oct. 03, 2015	Jan. 03, 2015
Finite-Lived Intangible Assets [Line Items]
Total cost	$ 43,683	$ 40,786
Total accumulated amortization	(15,800)	(13,015)
Intangible assets, net	27,883	27,771
Patents
Finite-Lived Intangible Assets [Line Items]
Total cost	21,606	20,459
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Total cost	7,669	7,669
Acquired technology
Finite-Lived Intangible Assets [Line Items]
Total cost	5,580	5,580
Trademarks
Finite-Lived Intangible Assets [Line Items]
Total cost	3,867	3,562
Capitalized software development costs
Finite-Lived Intangible Assets [Line Items]
Total cost	2,427	2,066
Other
Finite-Lived Intangible Assets [Line Items]
Total cost	$ 2,534	$ 1,450

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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