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Accounts Receivable (Details Textual) (USD $)
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12 Months Ended | |
|---|---|---|
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Dec. 29, 2012
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Dec. 31, 2011
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| Accounts Receivable (Additional Textual) [Abstract] | ||
| Sold receivables amount | $ 6,700,000 | $ 19,600,000 |
| Gains or losses on sale of accounts receivables | 0 | 0 |
| Due from unrelated third parties | $ 0 | $ 0 |
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Minimum [Member]
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| Accounts Receivable (Textual) [Abstract] | ||
| Administrative fees as well as interest percent | 1.23% | |
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Maximum [Member]
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| Accounts Receivable (Textual) [Abstract] | ||
| Administrative fees as well as interest percent | 1.68% | |