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Summary of Significany Accounting Policies (Share-Based Compensation) (Details) (Stock Options [Member])
12 Months Ended
Dec. 28, 2011
Dec. 29, 2010
Stock Options [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Dividend yield 0.00% 0.00%
Expected volatility 60.30% 60.30%
Risk-free interest rate 2.00% 2.20%
Weighted-average expected term 4 years 8 months 12 days 4 years 8 months 12 days