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Defined Benefit Pension Plans (Details Textual) - USD ($)	9 Months Ended
	Oct. 02, 2015	Oct. 03, 2014
Swiss Pension Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Contributions By Employer	$ 400,000	$ 558,000

X

- Definition

The increase in the fair value of plan assets from contributions made by the employer.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 715



-SubTopic 20



-Section 50



-Paragraph 1



-Subparagraph (b)(3)



-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

+ Details

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Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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X

- Details

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Namespace Prefix:
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