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Earnings Per Share (Narrative) (Details)
3 Months Ended 6 Months Ended
Jun. 17, 2014
Jun. 11, 2013
Jun. 17, 2014
Jun. 11, 2013
Earnings Per Share [Abstract]        
Antidilutive securities excluded from computation of earnings per share 708,047 125,279 700,285 818,053