Earnings Per Share Level 3 (Tables)

9 Months Ended

Sep. 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				Nine Months Ended
	September 30,				September 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	$	41,062	$	35,496	$	126,163	$	100,353
After tax interest on convertible debt	13		13		38		38
Net income — diluted	$	41,075	$	35,509	$	126,201	$	100,391
Weighted average shares (denominator):
Weighted average shares — basic	214,914		232,917		216,974		237,037
Stock options	3,425		2,475		3,211		2,370
Convertible debt	121		121		121		121
Weighted average shares — diluted	218,460		235,513		220,306		239,528
Net income per share:
Basic	$	0.19	$	0.15	$	0.58	$	0.42
Diluted	$	0.19	$	0.15	$	0.57	$	0.42