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Stock-Based Compensation (Stock Option Assumptions) (Details) (USD $)
9 Months Ended
Sep. 06, 2014
Sep. 07, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Weighted-average fair values of options granted $ 6.21 $ 5.22
Expected market price volatility 29.60% 33.30%
Risk-free interest rate 1.20% 0.60%
Dividend yield 0.90% 1.20%
Expected term 4 years 4 years
Expected term, Historical volatility term 4 years 4 years