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Net Income Per Common Share
3 Months Ended
Mar. 31, 2016
Earnings Per Share [Abstract]  
Net Income Per Common Share
Net Income Per Common Share
(In Thousands, Except Share Data)
Basic net income per common share is calculated by dividing net income by the weighted-average number of common shares outstanding for the period. Diluted net income per common share reflects the pro forma dilution of shares outstanding assuming outstanding stock options were exercised into common shares, calculated in accordance with the treasury method. Basic and diluted net income per common share calculations are as follows for the periods presented:
 
 
Three Months Ended
 
March 31,
 
2016
 
2015
Basic
 
 
 
Net income applicable to common stock
$
21,216

 
$
15,240

Average common shares outstanding
40,324,475

 
31,576,275

Net income per common share - basic
$
0.53

 
$
0.48

Diluted
 
 
 
Net income applicable to common stock
$
21,216

 
$
15,240

Average common shares outstanding
40,324,475

 
31,576,275

Effect of dilutive stock-based compensation
234,670

 
239,435

Average common shares outstanding - diluted
40,559,145

 
31,815,710

Net income per common share - diluted
$
0.52

 
$
0.48

 
 
 
 

Stock options that could potentially dilute basic net income per common share in the future that were not included in the computation of diluted net income per common share due to their anti-dilutive effect were as follows for the periods presented:
 
 
Three Months Ended
 
March 31,
 
2016
 
2015
Number of shares
21,500
 
2,568
Range of exercise prices
$32.6
 
$29.57 - $29.67