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Stock-Based Compensation (Fair Value Assumptions) (Details 1) (USD $)
3 Months Ended
Mar. 29, 2013
Mar. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]    
Weighted Average Grant Date Fair Value $ 8.38 $ 8.18
Risk Free Interest Rate 0.73% 0.83%
Expected Volatility Rate 39.00% 40.00%
Expected Term (in years) 5 years 5 years
Expected Dividend Rate 0.00% 0.00%