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Income Taxes (Details 3)	12 Months Ended
	Dec. 28, 2012
Maximum [Member] | Us Federal [Member]
Income Tax Examination, Year under Examination	2011
Maximum [Member] | California [Member]
Income Tax Examination, Year under Examination	2011
Maximum [Member] | Switzerland [Member]
Income Tax Examination, Year under Examination	2011
Maximum [Member] | Japan [Member]
Income Tax Examination, Year under Examination	2011
Minimum [Member] | Us Federal [Member]
Income Tax Examination, Year under Examination	2009
Minimum [Member] | California [Member]
Income Tax Examination, Year under Examination	2008
Minimum [Member] | Switzerland [Member]
Income Tax Examination, Year under Examination	2010
Minimum [Member] | Japan [Member]
Income Tax Examination, Year under Examination	2008

X

- Definition

Tax year being audited in the income tax examination, in CCYY format.

+ References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxExaminationYearUnderExamination
Namespace Prefix:	us-gaap_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration