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Earnings Per Share (Tables)
 3 Months Ended
Mar. 31, 2018
Earnings Per Share [Abstract]  
Stock Awards Excluded from the Calculation of Diluted EPS



 

 

 

 

 



 

 

 

 

 



Three months ended March 31,



2018

 

2017

Stock awards subject to performance conditions

 

 111 

 

 

 241 

Stock awards that were antidilutive

 

 2,226 

 

 

 1,459 

Total stock awards excluded from diluted earnings per share

 

 2,337 

 

 

 1,700 



Basic and Diluted Earnings Per Share



 

 

 

 

 



 

 

 

 

 



Three months ended March 31,



2018

 

2017

Net income

$

 59,446 

 

$

 46,120 

Shares:

 

 

 

 

 

Weighted-average number of common shares outstanding

 

 27,911 

 

 

 28,750 

Dilutive stock awards

 

 39 

 

 

 100 

Diluted weighted-average number of common shares outstanding

 

 27,950 

 

 

 28,850 

Basic earnings per share

$

 2.13 

 

$

 1.60 

Diluted earnings per share

$

 2.13 

 

$

 1.60