Intangible Assets - Components of Intangible Assets (Detail) - USD ($) $ in Thousands	Jan. 02, 2016	Jan. 03, 2015
Cost
Total cost	$ 43,892	$ 40,786
Accumulated amortization
Accumulated amortization	(16,336)	(13,015)
Total	27,556	27,771
Patents
Cost
Total cost	21,619	20,459
Accumulated amortization
Accumulated amortization	(7,743)	(6,649)
Customer relationships
Cost
Total cost	7,669	7,669
Accumulated amortization
Accumulated amortization	(2,620)	(1,853)
Acquired technology
Cost
Total cost	5,580	5,580
Accumulated amortization
Accumulated amortization	(1,950)	(1,392)
Trademarks
Cost
Total cost	3,944	3,562
Accumulated amortization
Accumulated amortization	(1,106)	(866)
Capitalized software development costs
Cost
Total cost	2,539	2,066
Accumulated amortization
Accumulated amortization	(1,647)	(1,440)
Other
Cost
Total cost	2,541	1,450
Accumulated amortization
Accumulated amortization	$ (1,270)	$ (815)

Intangible Assets Accumulated Amortization [Abstract]

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- Definition

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.

+ References

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

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