Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

A reconciliation of the numerators and denominators of the basic and diluted EPS computations is presented below:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2014		2013		2014		2013
	(In thousands, except per share amounts)
Amounts attributable to common stockholders:
Net income:
Net income — basic	$	17,651	$	26,779	$	84,675	$	118,015
After tax interest on convertible debt	—		13		38		38
Net income — diluted	$	17,651	$	26,792	$	84,713	$	118,053
Weighted average shares (denominator):
Weighted average shares — basic	210,820		211,954		212,009		211,721
Stock options	2,190		4,295		3,235		4,035
Convertible debt	—		121		121		121
Weighted average shares — diluted	213,010		216,370		215,365		215,877
Net income per share:
Basic	$	0.08	$	0.13	$	0.40	$	0.56
Diluted	$	0.08	$	0.12	$	0.39	$	0.55

Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

Total options and convertible debentures not included in the computation of dilutive EPS are as follows (in shares):

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2014	2013	2014	2013
	(In thousands)
Antidilutive options	21	1,376	1,431	1,742
Antidilutive convertible debentures	121	—	—	—
Total Common stock equivalents excluded from computation	142	1,376	1,431	1,742