Earnings Per Share

9 Months Ended

Sep. 30, 2016

Basic earnings per share is computed by dividing net income available to common stockholders by the weighted-average number of common shares outstanding. Diluted earnings per share is computed by dividing net income available to common stockholders by the weighted-average number of common shares plus the effect of dilutive potential common shares outstanding during the period. The following table sets forth the computation of basic and diluted earnings per share (shares in thousands):



	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2016		2015		2016		2015
Numerator:
Net income available to common stockholders	$	187	$	215	413		416
Denominator:
Denominator for basic earnings per share—weighted-average common shares	85,945		94,213		88,175		95,992
Effect of dilutive securities:
Employee stock options	278		291		281		311
4 percent Convertible Senior Notes	—		574		—		786
Restricted stock units	222		113		168		196
Denominator for diluted earnings per share—adjusted weighted-average common shares	86,445		95,191		88,624		97,285
Basic earnings per share	$	2.18	$	2.28	$	4.68	$	4.33
Diluted earnings per share	$	2.16	$	2.25	$	4.66	$	4.27