Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Schedule of earnings per share

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