Earnings Per Share Information (Tables)

9 Months Ended

Jul. 31, 2017

Earnings Per Share [Abstract]

Income per share calculation

The table below provides, for the periods indicated, information pertaining to the calculation of earnings per share, common stock equivalents, weighted-average number of antidilutive options, and shares issued (amounts in thousands):

	Nine months ended July 31,				Three months ended July 31,
	2017		2016		2017		2016
Numerator:
Net income as reported	$	343,617	$	267,717	$	148,563	$	105,483
Plus interest and costs attributable to 0.5% Exchangeable Senior Notes, net of income tax benefit	1,147		1,165		378		388
Numerator for diluted earnings per share	$	344,764	$	268,882	$	148,941	$	105,871
Denominator:
Basic weighted-average shares	163,186		169,692		163,478		165,919
Common stock equivalents (a)	2,077		1,853		2,210		1,628
Shares attributable to 0.5% Exchangeable Senior Notes	5,864		5,858		5,874		5,858
Diluted weighted-average shares	171,127		177,403		171,562		173,405
Other information:
Weighted-average number of antidilutive options and restricted stock units (b)	2,556		3,854		600		4,243
Shares issued under stock incentive and employee stock purchase plans	2,762		502		788		19

(a) Common stock equivalents represent the dilutive effect of outstanding in-the-money stock options using the treasury stock method and shares expected to be issued under performance-based restricted stock units and nonperformance-based restricted stock units.

(b) Weighted-average number of antidilutive options and restricted stock units are based upon the average closing price of our common stock on the NYSE for the period.