Net Income per Share (Tables)

9 Months Ended

Jul. 31, 2017

Earnings Per Share [Abstract]

Reconciliation of Weighted-Average Common Shares Used to Calculate Net Income Per Share

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   July 31,				Nine Months Ended   July 31,
	2017		2016		2017		2016
	(in thousands, except per share amounts)
Numerator:
Net income	$	116,751	$	64,718	$	256,645	$	194,129
Denominator:
Weighted-average common shares for basic net income per share	150,214		151,169		150,460		152,129
Dilutive effect of potential common shares from equity-based compensation	4,469		2,721		4,327		2,500
Weighted-average common shares for diluted net income per share	154,683		153,890		154,787		154,629
Net income per share:
Basic	$	0.78	$	0.43	$	1.71	$	1.28
Diluted	$	0.75	$	0.42	$	1.66	$	1.26
Anti-dilutive employee stock-based awards excluded(1)	492		2,270		1,186		1,822

(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.