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Stock-Based Compensation (Schedule of Valuation Assumptions) (Details)
12 Months Ended
Dec. 29, 2013
Dec. 30, 2012
Jan. 01, 2012
Stock Options [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term 6 years 1 month 6 days 6 years 3 months 18 days 5 years 8 months 9 days
Risk-free interest rate 1.74% 0.98% 1.16%
Expected volatility 59.00% 61.00% 61.00%
Expected dividend 0.00% 0.00% 0.00%
Employee Stock Purchase Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term 6 months 3 days 6 months 6 months 3 days
Risk-free interest rate 0.09% 0.14% 0.08%
Expected volatility 39.00% 56.00% 56.00%
Expected dividend 0.00% 0.00% 0.00%