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Description Of the Company And Summary Of Significant Accounting Policies (Concentration of Risk) (Details)
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12 Months Ended | ||
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Dec. 30, 2012
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Jan. 01, 2012
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Jan. 02, 2011
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| Concentration Risk [Line Items] | |||
| Concentration Risk, Percentage | 14.00% | 21.00% | 28.00% |
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Vendor A [Member]
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| Concentration Risk [Line Items] | |||
| Concentration Risk, Percentage | 6.00% | 8.00% | 12.00% |
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Vendor B [Member]
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| Concentration Risk [Line Items] | |||
| Concentration Risk, Percentage | 4.00% | 7.00% | 8.00% |
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Vendor C [Member]
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| Concentration Risk [Line Items] | |||
| Concentration Risk, Percentage | 4.00% | 6.00% | 8.00% |