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Earnings Per Share
3 Months Ended
Apr. 30, 2019
Earnings Per Share [Abstract]  
Earnings Per Share
EARNINGS PER SHARE

Basic earnings per share ("EPS") is computed as net earnings divided by the weighted-average number of common shares outstanding for the period. Diluted EPS includes the dilutive effect of the assumed exercise of stock options and unvested restricted stock units.
The following table summarizes the reconciliation of the numerators and denominators for the basic and diluted EPS computations:
 
Three Months Ended April 30,
(in millions)
2019
 
2018
Net earnings for basic and diluted EPS
$
125.2

 
$
142.3

Weighted-average shares for basic EPS
121.4

 
124.4

Incremental shares based upon the assumed exercise of stock options and unvested restricted stock units
0.5

 
0.6

Weighted-average shares for diluted EPS
121.9

 
125.0



For the three months ended April 30, 2019 and 2018, there were 1.7 million and 0.9 million, respectively, stock options and restricted stock units that were excluded from the computations of earnings per diluted share due to their antidilutive effect.