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Earnings per Share (Tables)
 6 Months Ended
Jun. 30, 2015
Earnings Per Share [Abstract]  
Basic and Diluted Shares of Consolidated Condensed Statements of Income

The following summarizes the Common Stock included in the basic and diluted shares, as disclosed on the face of the consolidated condensed statements of income:

 

 

Three Months
Ended June 30,

 

 

Six Months
Ended June 30,

 

 

2015

 

 

2014

 

 

2015

 

 

2014

 

Weighted average number of shares for calculation of basic EPS

 

35,970,992

 

 

 

35,360,957

 

 

 

35,870,649

 

 

 

35,213,135

 

Stock options under the 2006, 2011 and 2013 equity plans

 

613,858

 

 

 

732,643

 

 

 

557,858

 

 

 

628,093

 

Weighted average number of shares for calculation of diluted EPS

 

36,584,850

 

 

 

36,093,600

 

 

 

36,428,507

 

 

 

35,841,228