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

The following table sets forth the computation of basic and diluted earnings per common share for 2016 , 2015 and 2014:
 
(In thousands, except per share data)
 
  
 
2016
 
2015
 
2014
Net income
 
 
 
$
206,875

 
$
156,749

 
$
151,398

Less: Preferred stock dividends
 
 
 
14,513

 
10,869

 
6,323

Net income applicable to common shares—Basic
 
(A)
 
$
192,362

 
$
145,880

 
$
145,075

Add: Dividends on convertible preferred stock, if dilutive
 
 
 
6,313

 
6,314

 
6,323

Net income applicable to common shares—Diluted
 
(B)
 
$
198,675

 
$
152,194

 
$
151,398

Weighted average common shares outstanding
 
(C)
 
50,278

 
47,838

 
46,524

Effect of dilutive potential common shares:
 
 
 
 
 
 
 
 
Common stock equivalents
 
 
 
894

 
1,029

 
1,246

Convertible preferred stock, if dilutive
 
 
 
3,100

 
3,070

 
3,075

Total dilutive potential common shares
 
 
 
3,994

 
4,099

 
4,321

Weighted average common shares and effect of dilutive potential common shares
 
(D)
 
54,272

 
51,937

 
50,845

Net income per common share:
 
 
 
 
 
 
 
 
Basic
 
(A/C)
 
$
3.83

 
$
3.05

 
$
3.12

Diluted
 
(B/D)
 
3.66

 
2.93

 
2.98



Potentially dilutive common shares can result from stock options, restricted stock unit awards, stock warrants, the Company’s convertible preferred stock and shares to be issued under the ESPP and the DDFS Plan, being treated as if they had been either exercised or issued, computed by application of the treasury stock method. While potentially dilutive common shares are typically included in the computation of diluted earnings per share, potentially dilutive common shares are excluded from this computation in periods in which the effect would reduce the loss per share or increase the income per share. For diluted earnings per share, net income applicable to common shares can be affected by the conversion of the Company’s convertible preferred stock. Where the effect of this conversion would reduce the loss per share or increase the income per share, net income applicable to common shares is not adjusted by the associated preferred dividends.