Earnings per Share Information

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,
	2018		2017		2018		2017
Numerator:
Net income as reported	$	437,175	$	343,617	$	193,258	$	148,563
Plus interest and costs attributable to 0.5% Exchangeable Senior Notes, net of income tax benefit (a)			1,147				378
Numerator for diluted earnings per share	$	437,175	$	344,764	$	193,258	$	148,941

Denominator:
Basic weighted-average shares	153,290		163,186		151,257		163,478
Common stock equivalents (b)	2,443		2,077		1,916		2,210
Shares attributable to 0.5% Exchangeable Senior Notes (a)			5,864				5,874
Diluted weighted-average shares	155,733		171,127		153,173		171,562

Other information:
Weighted-average number of antidilutive options and restricted stock units (c)	486		2,556		635		600
Shares issued under stock incentive and employee stock purchase plans	899		2,762		19		788


(a)	On September 15, 2017, we redeemed these notes for cash.


(b)	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 upon the conversion of restricted stock units under our equity award programs.


(c)	Weighted-average number of antidilutive options and restricted stock units are based upon the average closing price of our common stock on the New York Stock Exchange for the period.