Earnings Per Share

9 Months Ended

Sep. 30, 2015

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,
	2015		2014		2015		2014
Numerator:
Net income available to common stockholders	$	215	$	192	416		346
Denominator:
Denominator for basic earnings per share—weighted-average common shares	94,213		98,485		95,992		96,916
Effect of dilutive securities:
Employee stock options and warrants	291		376		311		407
4 percent Convertible Senior Notes	574		4,748		786		7,606
Restricted stock units	113		467		196		465
Denominator for diluted earnings per share—adjusted weighted-average common shares	95,191		104,076		97,285		105,394
Basic earnings per share	$	2.28	$	1.95	$	4.33	$	3.57
Diluted earnings per share	$	2.25	$	1.84	$	4.27	$	3.29