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Income Taxes (Details 3) | 12 Months Ended
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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