Earnings Per Share Level 3 (Tables)

3 Months Ended

Mar. 31, 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
	March 31,
	2012		2011
	(In thousands, except per share amounts)
Amounts attributable to common stockholders:
Net income:
Net income — basic	$	48,025	$	38,764
After tax interest on convertible debt	13		13
Net income — diluted	$	48,038	$	38,777
Weighted average shares (denominator):
Weighted average shares — basic	220,132		239,772
Stock options	2,959		2,159
Convertible debt	121		121
Weighted average shares — diluted	223,212		242,052
Net income per share:
Basic	$	0.22	$	0.16
Diluted	$	0.22	$	0.16