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Earnings Per Common Share
12 Months Ended
Dec. 31, 2019
Earnings Per Share [Abstract]  
Earnings Per Common Share Earnings per Common Share

Basic earnings per common share (“EPS”) are calculated using the weighted average number of shares of common stock outstanding during each period. A reconciliation of the numerators and denominators of the basic and diluted EPS calculations follows.
 
 
Years Ended December 31,
(In thousands, except per share data)
 
2019
 
2018
 
2017
Numerator:
 
 
 
 
 
 
Net income
 
$
578,276

 
$
487,476

 
$
288,934

Preferred stock dividends
 
16,837

 
15,640

 
15,714

Net income attributable to SLM Corporation common stock
 
$
561,439

 
$
471,836

 
$
273,220

Denominator:
 
 
 
 
 
 
Weighted average shares used to compute basic EPS
 
427,292

 
435,054

 
431,216

Effect of dilutive securities:
 
 
 
 
 
 
Dilutive effect of stock options, restricted stock, restricted stock units, performance stock units and Employee Stock Purchase Plan (“ESPP”) (1)(2)
 
3,382

 
4,627

 
7,335

Weighted average shares used to compute diluted EPS
 
430,674

 
439,681

 
438,551

 
 
 
 
 
 
 
Basic earnings per common share attributable to SLM Corporation
 
$
1.31

 
$
1.08

 
$
0.63

 
 
 
 
 
 
 
Diluted earnings per common share attributable to SLM Corporation
 
$
1.30

 
$
1.07

 
$
0.62


__________

(1) 
Includes the potential dilutive effect of additional common shares that are issuable upon exercise of outstanding stock options, restricted stock, restricted stock units, performance stock units and the outstanding commitment to issue shares under the ESPP, determined by the treasury stock method.
 
(2) 
For the years ended December 31, 2019, 2018 and 2017, securities covering no shares, less than 1 million shares and no shares, respectively, were outstanding but not included in the computation of diluted earnings per share because they were anti-dilutive.