Restructuring Costs and Other Expense (Income), Net - Changes in Accrued Restructuring (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Restructuring plan 2014
Restructuring Reserve [Roll Forward]
Provision (reversal)	$ 370
Usage	(267)
Currency translation	(56)
Balance at end of period	47
Restructuring plan 2013
Restructuring Reserve [Roll Forward]
Balance at beginning of period	467
Provision (reversal)	435	1,843
Usage	(779)	(1,215)
Currency translation	(83)	(161)
Balance at end of period	40	467
Restructuring plan 2011
Restructuring Reserve [Roll Forward]
Balance at beginning of period	52	88	408
Provision (reversal)			(67)
Usage	(36)	(38)	(256)
Currency translation	0	2	3
Balance at end of period	16	52	88
Employee severance \| Restructuring plan 2014
Restructuring Reserve [Roll Forward]
Provision (reversal)	370
Usage	(267)
Currency translation	(56)
Balance at end of period	47
Employee severance \| Restructuring plan 2013
Restructuring Reserve [Roll Forward]
Balance at beginning of period	467
Provision (reversal)	(11)	1,666
Usage	(334)	(1,038)
Currency translation	(82)	(161)
Balance at end of period	40	467
Employee severance \| Restructuring plan 2011
Restructuring Reserve [Roll Forward]
Balance at beginning of period	52	88	408
Provision (reversal)			(67)
Usage	(36)	(38)	(256)
Currency translation	0	2	3
Balance at end of period	16	52	88
Facility-related closing costs \| Restructuring plan 2014
Restructuring Reserve [Roll Forward]
Provision (reversal)	0
Usage	0
Currency translation	0
Balance at end of period	0
Facility-related closing costs \| Restructuring plan 2013
Restructuring Reserve [Roll Forward]
Balance at beginning of period	0
Provision (reversal)	446	177
Usage	(445)	(177)
Currency translation	(1)	0
Balance at end of period	0	0
Facility-related closing costs \| Restructuring plan 2011
Restructuring Reserve [Roll Forward]
Balance at beginning of period	0	0	0
Provision (reversal)			0
Usage	0	0	0
Currency translation	0	0	0
Balance at end of period	$ 0	$ 0	$ 0

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

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-Section 50

-Paragraph 1

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-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

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- Definition

Amount of foreign currency translation adjustment increasing or decreasing the accrual for a specified type of restructuring cost.

+ References

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

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-Publisher FASB

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-Topic 420

-SubTopic 10

-Section 50

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-Subparagraph (b)(2)

-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

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