Intangible Assets - Components of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Jan. 03, 2015	Dec. 28, 2013
Cost
Total cost	$ 40,786	$ 37,918
Accumulated amortization
Accumulated amortization	(13,015)	(9,814)
Total	27,771us-gaap_FiniteLivedIntangibleAssetsNet	28,104us-gaap_FiniteLivedIntangibleAssetsNet
Patents
Cost
Total cost	20,459	18,750
Accumulated amortization
Accumulated amortization	(6,649)	(5,679)
Customer relationships
Cost
Total cost	7,669	7,669
Accumulated amortization
Accumulated amortization	(1,853)	(1,086)
Acquired technology
Cost
Total cost	5,580	5,580
Accumulated amortization
Accumulated amortization	(1,392)	(834)
Trademarks
Cost
Total cost	3,562	3,338
Accumulated amortization
Accumulated amortization	(866)	(653)
Capitalized software development costs
Cost
Total cost	2,066	1,612
Accumulated amortization
Accumulated amortization	(1,440)	(1,270)
Other
Cost
Total cost	1,450	969
Accumulated amortization
Accumulated amortization	$ (815)	$ (292)

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

+ References

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

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