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Basis of Presentation (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 29, 2012 D | Oct. 01, 2011 D | Sep. 29, 2012 D | Oct. 01, 2011 D
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |
Percentage of Total Sales | 3.00% | 4.00% | 3.00% | 4.00%
Ship Days | 63 | 63 | 191 | 191

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