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Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2015
Earnings Per Share [Abstract]  
Earnings Per Share

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three months ended June 30,

 

Six months ended June 30,

 

2015

 

2014

 

2015

 

2014

Net income

$
140,204 

 

$
110,270 

 

$
262,845 

 

$
193,339 

Shares:

 

 

 

 

 

 

 

 

 

 

 

Weighted average number of common shares outstanding

 
31,120 

 

 
31,049 

 

 
31,044 

 

 
31,055 

Dilutive stock awards

 
406 

 

 
425 

 

 
481 

 

 
425 

Diluted weighted average number of common shares outstanding

 
31,526 

 

 
31,474 

 

 
31,525 

 

 
31,480 

Basic earnings per share

$
4.51 

 

$
3.55 

 

$
8.47 

 

$
6.23 

Diluted earnings per share

$
4.45 

 

$
3.50 

 

$
8.34 

 

$
6.14