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Earnings Per Share (Details)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Dec. 25, 2010
Weighted average common shares outstanding 13,244 12,849 12,726
Dilutive effect of stock options 160 562 515
Weighted average common shares outstanding, assuming dilution 13,404 13,411 13,241
Number of anti-dilutive stock options 451 0 0