Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

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

	Three Months Ended
	March 31,
	2014		2013
	(In thousands, except per share amounts)
Amounts attributable to common stockholders:
Net income:
Net income — basic	$	41,102	$	57,620
After tax interest on convertible debt	13		13
Net income — diluted	$	41,115	$	57,633
Weighted average shares (denominator):
Weighted average shares — basic	212,838		211,380
Stock options	4,272		3,707
Convertible debt	121		121
Weighted average shares — diluted	217,231		215,208
Net income per share:
Basic	$	0.19	$	0.27
Diluted	$	0.19	$	0.27