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Earnings Per Share
9 Months Ended
Sep. 30, 2013
Earnings Per Share [Abstract]  
Earnings Per Share
9.     Earnings Per Share
 
For the quarters and nine months ended September 30, 2013 and 2012, basic earnings per share were computed by dividing net income by the weighted average number of shares of common stock outstanding during the period. Unexercised stock options and unvested restricted shares are excluded from this calculation but are included in the diluted earnings per share calculation using the treasury stock method as long as their effect is not antidilutive.
 
The following table provides a reconciliation of weighted-average shares used to determine basic and diluted earnings per share.
 
 
 
Quarter Ended
 
Nine Months Ended
 
 
 
September 30,
 
September 30,
 
In thousands
 
2013
 
2012
 
2013
 
2012
 
Basic average common shares outstanding
 
 
16,437
 
 
16,630
 
 
16,599
 
 
16,742
 
Effect of dilutive options and restricted stock awards
 
 
298
 
 
313
 
 
289
 
 
236
 
Diluted average common shares outstanding
 
 
16,735
 
 
16,943
 
 
16,888
 
 
16,978
 
 
For the quarters and nine months ended September 30, 2013 and 2012, stock options for 0.2 million shares of common stock, for each period, were not considered in computing diluted earnings per common share because they were antidilutive.