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Share-Based Employee Compensation (Weighted-average Assumptions Used to Value Grants) (Details)
3 Months Ended
Mar. 22, 2014
Mar. 23, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected life (in years) 6 years 3 months  
Expected stock volatility, minimum 27.90% 33.00%
Risk-free interest rate, minimum 2.00% 1.30%
Expected dividend yield during the expected term 2.80% 3.80%
Minimum [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected life (in years)   6 years 3 months
Maximum [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected life (in years)   6 years 6 months