Earnings Per Share

A reconciliation of the numerators and the denominators of the basic and diluted per share computations are as follows:



	Three Months Ended
	2018					2017
	Earnings		Shares	Per-Share		Earnings		Shares	Per-Share
(In thousands, except per share data)	(Numerator)		(Denominator)	Amount		(Numerator)		(Denominator)	Amount

Basic earnings per share:
Income available to common shareholders	$	169,381	329,342	$	0.51	$	177,424	331,993	$	0.53
Effect of dilutive securities:
Stock options and non-vested shares	—		3,595			—		6,787
Diluted earnings per share:
Income available to common shareholders including assumed conversions	$	169,381	332,937	$	0.51	$	177,424	338,780	$	0.52

For the three months ended September 29, 2018 and September 30, 2017, options to purchase 13.0 million and 11.0 million shares of common stock at per share prices ranging from $50.04 to $73.40 and $50.04 to $73.40, respectively, were outstanding but were not included in the computation of diluted earnings per share because they were anti-dilutive.



	Nine Months Ended
	2018					2017
	Earnings		Shares	Per-Share		Earnings		Shares	Per-Share
(In thousands, except per share data)	(Numerator)		(Denominator)	Amount		(Numerator)		(Denominator)	Amount

Basic earnings per share:
Income available to common shareholders	$	498,739	330,789	$	1.51	$	530,320	331,319	$	1.60
Effect of dilutive securities:
Stock options and non-vested shares	—		3,704			—		6,627
Diluted earnings per share:
Income available to common shareholders including assumed conversions	$	498,739	334,493	$	1.49	$	530,320	337,946	$	1.57

For the nine months ended September 29, 2018 and September 30, 2017, options to purchase 12.7 million and 10.4 million shares of common stock at per share prices ranging from $50.04 to $73.40 and $47.38 to $73.40, respectively, were outstanding but were not included in the computation of diluted earnings per share because they were anti-dilutive.