Earnings Per Share Level 3 (Tables)

6 Months Ended

Jun. 30, 2011

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				Six Months Ended
	June 30,				June 30,
	2011		2010		2011		2010
	(In thousands, except per share amounts)				(In thousands, except per share amounts)
Amounts attributable to common stockholders:
Net income:
Net income — basic	$	26,093	$	40,285	$	64,857	$	71,197
After tax interest on convertible debt	13		13		25		25
Net income — diluted	$	26,106	$	40,298	$	64,882	$	71,222
Weighted average shares (denominator):
Weighted average shares — basic	238,498		251,763		239,131		253,074
Stock options	2,816		1,699		2,337		1,667
Convertible debt	121		121		121		121
Weighted average shares — diluted	241,435		253,583		241,589		254,862
Net income per share:
Basic	$	0.11	$	0.16	$	0.27	$	0.28
Diluted	$	0.11	$	0.16	$	0.27	$	0.28