Earnings Per Share Level 3 (Tables)

6 Months Ended

Jun. 30, 2012

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,
	2012		2011		2012		2011
	(In thousands, except per share amounts)				(In thousands, except per share amounts)
Amounts attributable to common stockholders:
Net income:
Net income — basic	$	37,076	$	26,093	$	85,101	$	64,857
After tax interest on convertible debt	13		13		26		25
Net income — diluted	$	37,089	$	26,106	$	85,127	$	64,882
Weighted average shares (denominator):
Weighted average shares — basic	215,898		238,498		218,015		239,131
Stock options	2,887		2,816		2,922		2,337
Convertible debt	121		121		121		121
Weighted average shares — diluted	218,906		241,435		221,058		241,589
Net income per share:
Basic	$	0.17	$	0.11	$	0.39	$	0.27
Diluted	$	0.17	$	0.11	$	0.39	$	0.27