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Earnings Per Share
 6 Months Ended
Jun. 30, 2014
Earnings Per Share [Abstract]  
Earnings Per Share
15.
Earnings Per Share
The computations of Basic and Diluted Earnings per Share were as follows:
 
Three Months Ended
 
Six Months Ended
 
June 30
 
June 30
 
2014
 
2013
 
2014
 
2013
Numerator:
 
 
 
 
 
 
 
Net Earnings
$
15,523

 
$
14,254

 
$
21,318

 
$
19,313

Denominator:
 
 
 
 
 
 
 
Basic - Weighted Average Shares Outstanding
18,167,054

 
18,253,326

 
18,242,240

 
18,298,379

Effect of dilutive securities:
 
 
 
 
 
 
 
Share-based compensation plans
508,553

 
534,554

 
534,129

 
537,163

Diluted - Weighted Average Shares Outstanding
18,675,607

 
18,787,880

 
18,776,369

 
18,835,542

Basic Earnings per Share
$
0.85

 
$
0.78

 
$
1.17

 
$
1.06

Diluted Earnings per Share
$
0.83

 
$
0.76

 
$
1.14

 
$
1.03

 
Excluded from the dilutive securities shown above were options to purchase 154,897 and 278,862 shares of Common Stock during the three months ended June 30, 2014 and 2013, respectively. Excluded from the dilutive securities shown above were options to purchase 155,497 and 270,433 shares of Common Stock during the six months ended June 30, 2014 and 2013, respectively. These exclusions were made as the effects were anti-dilutive.