Earnings Per Share

6 Months Ended

Jun. 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				Six Months Ended
	June 30,				June 30,
	2016		2015		2016		2015
Numerator:
Net income available to common stockholders	$	134	$	86	226		201
Denominator:
Denominator for basic earnings per share—weighted-average common shares	88,095		96,647		89,303		96,896
Effect of dilutive securities:
Employee stock options	271		298		267		318
4 percent Convertible Senior Notes	—		605		—		894
Restricted stock units	107		197		139		308
Denominator for diluted earnings per share—adjusted weighted-average common shares	88,473		97,747		89,709		98,416
Basic earnings per share	$	1.52	$	0.89	$	2.53	$	2.07
Diluted earnings per share	$	1.52	$	0.88	$	2.52	$	2.04