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Earnings Per Share (Tables)
 3 Months Ended
Mar. 31, 2019
Earnings Per Share [Abstract]  
Basic and Diluted Earnings Per Share



 

 

 

 

 



 

 

 

 

 



Three months ended



March 31,



2019

 

2018

Net income

$

 88,132 

 

$

 59,446 

Shares:

 

 

 

 

 

Weighted-average number of common shares outstanding

 

 27,696 

 

 

 27,911 

Dilutive stock awards

 

 422 

 

 

 39 

Diluted weighted-average number of common shares outstanding

 

 28,118 

 

 

 27,950 

Basic earnings per share

$

 3.18 

 

$

 2.13 

Diluted earnings per share

$

 3.13 

 

$

 2.13 



Stock Awards Excluded from the Calculation of Diluted EPS



 

 

 

 

 



 

 

 

 

 



Three months ended



March 31,



2019

 

2018

Stock awards subject to performance conditions

 

 81 

 

 

 111 

Stock awards that were antidilutive

 

 343 

 

 

 2,226 

Total stock awards excluded from diluted earnings per share

 

 424 

 

 

 2,337