Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2015

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				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