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Weighted Average Shares Outstanding and Net Incomer (Loss) Per Share
9 Months Ended
Sep. 30, 2017
Earnings Per Share [Abstract]  
Earnings Per Share [Text Block]
Weighted Average Shares Outstanding and Net Income Per Share
The following table presents a reconciliation of the weighted average shares outstanding used in calculating basic and diluted net income per share as well as the calculation of basic and diluted net income per share:
 
 
Three Months Ended September 30,
Nine Months Ended September 30,
(in thousands, except per share amounts)
 
2017
 
2016
 
2017
 
2016
Numerator (basic and diluted):
 
 
 
 

 
 
 
 
Net income allocated to common shareholders for basic calculation
 
$
45,982

 
$
37,191

 
$
36,325

 
$
40,949

Denominator:
 
 
 
 

 
 
 
 
Weighted average common shares outstanding, basic 
 
39,844

 
39,599

 
39,774

 
39,539

Dilutive effect of common stock options and restricted stock units
 
543

 
714

 
593

 
666

Weighted average common shares outstanding, diluted
 
40,387

 
40,313

 
40,367

 
40,205

Net income per share, basic
 
$
1.15

 
$
0.94

 
$
0.91

 
$
1.04

Net income per share, diluted
 
$
1.14

 
$
0.92

 
$
0.90

 
$
1.02