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Earnings Per Share (Narrative) (Details)
3 Months Ended
Mar. 24, 2015
Mar. 25, 2014
Earnings Per Share [Abstract]    
Antidilutive securities excluded from computation of earnings per share 768,227us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 692,523us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount