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Net Income per Share
 6 Months Ended
Apr. 30, 2017
Earnings Per Share [Abstract]  
Net Income per Share
Net Income per Share
The Company computes basic net income per share by dividing net income available to common stockholders by the weighted-average number of common shares outstanding during the period. Diluted net income per share reflects the dilution from potential common shares outstanding, such as stock options and unvested restricted stock units and awards, during the period using the treasury stock method.
The table below reconciles the weighted-average common shares used to calculate basic net income per share with the weighted-average common shares used to calculate diluted net income per share:
 
Three Months Ended 
 April 30,
 
Six Months Ended 
 April 30,
 
2017
 
2016
 
2017
 
2016
 
(in thousands, except per share amounts)
Numerator:
 
 
 
 
 
 
 
Net income
$
53,306

 
$
69,376

 
$
139,894

 
$
129,411

Denominator:
 
 
 
 
 
 
 
Weighted-average common shares for basic net income per share
150,384

 
152,250

 
150,583

 
152,609

Dilutive effect of potential common shares from equity-based compensation
4,477

 
2,286

 
4,171

 
2,312

Weighted-average common shares for diluted net income per share
154,861

 
154,536

 
154,754

 
154,921

Net income per share:
 
 
 
 
 
 
 
Basic
$
0.35

 
$
0.46

 
$
0.93

 
$
0.85

Diluted
$
0.34

 
$
0.45

 
$
0.90

 
$
0.84

Anti-dilutive employee stock-based awards excluded(1)
948

 
2,886

 
738

 
2,649


(1)
These employee stock-based awards were anti-dilutive for the respective periods and are excluded in calculating diluted net income per share. While such awards were anti-dilutive for the respective periods, they could be dilutive in the future.