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Fair Value Measurements; Fair Value Of Financial Instruments (Details) (Fair Value, Inputs, Level 3 [Member], USD $)
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Sep. 28, 2012
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Dec. 30, 2011
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Fair Value, Inputs, Level 3 [Member]
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| Fair Value Measurements (Textual) [Abstract] | ||
| Assets measured at fair value | $ 0 | $ 0 |