Nature of Operations and Summary of Significant Accounting Policies - Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 03, 2015	Dec. 28, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	$ 85,152	$ 77,509
Currency Translation	(2,297)	714
Accumulated Amortization	(35,901)	(30,373)
Net	46,954	47,850
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	43,271	37,964
Currency Translation	(1,022)	1,074
Accumulated Amortization	(14,180)	(11,446)
Net	28,069	27,592
Intellectual property
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	22,899	20,350
Currency Translation	(977)	(225)
Accumulated Amortization	(14,256)	(12,276)
Net	7,666	7,849
Tradenames
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	10,269	10,198
Currency Translation	(228)	(60)
Accumulated Amortization	(480)	(252)
Net	9,561	9,886
Non-compete agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	3,548	3,388
Currency Translation	(37)	(10)
Accumulated Amortization	(3,239)	(3,203)
Net	272	175
Distribution network
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	2,400	2,400
Currency Translation	0	0
Accumulated Amortization	(1,360)	(1,238)
Net	1,040	1,162
Licensing agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	400	400
Currency Translation	0	0
Accumulated Amortization	(193)	(173)
Net	207	227
Other
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	2,365	2,809
Currency Translation	(33)	(65)
Accumulated Amortization	(2,193)	(1,785)
Net	$ 139	$ 959

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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 of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for foreign currency translation adjustments.

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+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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-Publisher FASB

-Name Accounting Standards Codification

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

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