Earnings Per Share Level 3 (Tables)

3 Months Ended

Mar. 31, 2013

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,
	2013		2012
	(In thousands, except per share amounts)
Amounts attributable to common stockholders:
Net income:
Net income — basic	$	57,620	$	48,025
After tax interest on convertible debt	13		13
Net income — diluted	$	57,633	$	48,038
Weighted average shares (denominator):
Weighted average shares — basic	211,380		220,132
Stock options	3,707		2,959
Convertible debt	121		121
Weighted average shares — diluted	215,208		223,212
Net income per share:
Basic	$	0.27	$	0.22
Diluted	$	0.27	$	0.22