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Earnings Per Share
6 Months Ended
Jun. 30, 2015
Earnings Per Share [Abstract]  
Earnings Per Share
Basic earnings per share is computed by dividing net income by the weighted average number of shares of common stock outstanding. Diluted earnings per share is computed by dividing net income by the weighted average common and potentially dilutive common equivalent shares outstanding, determined as follows:
 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
(In Thousands)
2015
 
2014
 
2015
 
2014
Weighted average shares outstanding used to compute basic earnings per share
32,609

 
32,312

 
32,546

 
32,277

Incremental dilutive shares attributable to stock options and restricted stock
137

 
329

 
141

 
354

Shares used to compute diluted earnings per share
32,746

 
32,641

 
32,687

 
32,631


Incremental shares attributable to stock options and restricted stock are computed under the treasury stock method using the average market price during the related period. For the three and six months ended June 30, 2015, average out-of-the-money options to purchase shares that were excluded from the calculation of incremental shares attributable to stock options and restricted stock were 327,697 and 356,228, respectively.