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Calculation of Earnings Per Share (Details 2)	3 Months Ended		9 Months Ended
Calculation of Earnings Per Share (Details 2)	Sep. 29, 2013	Sep. 23, 2012	Sep. 29, 2013	Sep. 23, 2012
Calculation of Earnings Per Share
Antidilutive shares excluded from computation of earnings per share	24,000	0	129,000	0

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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