Earnings Per Share (Tables)

3 Months Ended

Dec. 31, 2016

Earnings Per Share [Abstract]

Numerator and denominator used to compute basic and diluted earnings per share

The following table sets forth the numerators and denominators used in the computation of basic and diluted earnings per share. Stock options to purchase 2.8 million shares of common stock were excluded from the computation of diluted earnings per share for the 2016 period because their effect would have been antidilutive.

	Three Months Ended   December 31,
	2016		2015
	(In millions)
Numerator:
Net income	$	206.9	$	157.7
Denominator:
Denominator for basic earnings per share — weighted average common shares	373.3		369.3
Effect of dilutive securities:
Employee stock awards	4.1		4.2
Denominator for diluted earnings per share — adjusted weighted average common shares	377.4		373.5
Basic net income per common share	$	0.55	$	0.43
Net income per common share assuming dilution	$	0.55	$	0.42