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Earnings Per Share
 12 Months Ended
Dec. 31, 2016
Earnings Per Share [Abstract]  
Earnings Per Share [Text Block]
Earnings Per Share

The following table presents the computation of basic and diluted earnings per share (dollars in thousands, except per share data):
 
 
 
Year Ended
 
 
2016
 
2015
 
2014
Numerator:
 
 
 
 
 
 
Net income attributable to BOK Financial Corp. shareholders
 
$
232,668

 
$
288,565

 
$
292,435

Less: Earnings allocated to participating securities
 
2,883

 
3,383

 
3,239

Numerator for basic earnings per share – income available to common shareholders
 
229,785

 
285,182

 
289,196

Effect of reallocating undistributed earnings of participating securities
 
1

 
3

 
4

Numerator for diluted earnings per share – income available to common shareholders
 
$
229,786

 
$
285,185

 
$
289,200

 
 
 
 
 
 
 
Denominator:
 
 

 
 
 
 

Weighted average shares outstanding
 
65,901,110

 
68,397,215

 
69,159,902

Less:  Participating securities included in weighted average shares outstanding
 
815,483

 
802,526

 
765,708

Denominator for basic earnings per common share
 
65,085,627

 
67,594,689

 
68,394,194

Dilutive effect of employee stock compensation plans1
 
58,271

 
96,969

 
150,576

Denominator for diluted earnings per common share
 
65,143,898

 
67,691,658

 
68,544,770

 
 
 
 
 
 
 
Basic earnings per share
 
$
3.53

 
$
4.22

 
$
4.23

Diluted earnings per share
 
$
3.53

 
$
4.21

 
$
4.22

1  Excludes employee stock options with exercise prices greater than current market price.
 
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