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Share-Based Employee Compensation (Weighted-average Assumptions Used to Value Grants) (Details)
3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended
Mar. 22, 2014
Mar. 23, 2013
Dec. 31, 2011
Mar. 23, 2013
Minimum [Member]
Dec. 28, 2013
Minimum [Member]
Dec. 29, 2012
Minimum [Member]
Mar. 23, 2013
Maximum [Member]
Dec. 28, 2013
Maximum [Member]
Dec. 29, 2012
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Expected life (in years) 6 years 3 months   6 years 6 months 6 years 3 months 6 years 3 months 6 years 3 months 6 years 6 months 6 years 6 months 6 years 6 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%