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Earnings Per Share and Capital Structure (Text Block)
 9 Months Ended
Sep. 30, 2015
Earnings Per Share [Abstract]  
Earnings Per Share and Capital Structure [Text Block]
Earnings Per Share and Capital Structure

The following table sets forth the computation of basic and diluted earnings per share (EPS):

 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2015
 
2014
 
2015
 
2014
 
(in thousands, except per share data)
Net income available to common shareholders
$
12,695

 
$
7,308

 
$
3,407

 
$
26,313

 
 
 
 
 
 
 
 
Weighted average common shares outstanding - Basic
38,114

 
39,213

 
38,329

 
39,268

Dilutive effect of stock-based awards
244

 
280

 
262

 
248

Weighted average common shares outstanding - Diluted
38,358

 
39,493

 
38,591

 
39,516

Earnings per common share - Basic
$
0.33

 
$
0.19

 
$
0.09

 
$
0.67

Earnings per common share - Diluted
$
0.33

 
$
0.19

 
$
0.09

 
$
0.67



Stock-based Awards
For stock-based awards, the dilutive effect is calculated using the treasury stock method. Under this method, the dilutive effect is computed as if the awards were exercised at the beginning of the period (or at time of issuance, if later) and assumes the related proceeds were used to repurchase common stock at the average market price during the period. Related proceeds include the amount the employee must pay upon exercise, future compensation cost associated with the stock award, and the amount of excess tax benefits, if any. Approximately 1.1 million and 1.2 million stock-based awards were excluded from the calculation of diluted EPS for the three and nine months ended September 30, 2015, and 2014 because they were anti-dilutive. These stock-based awards could be dilutive in future periods.