Earnings Per Share Level 3 (Tables)

6 Months Ended

Jun. 30, 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				Six Months Ended
	June 30,				June 30,
	2013		2012		2013		2012
	(In thousands, except per share amounts)				(In thousands, except per share amounts)
Amounts attributable to common stockholders:
Net income:
Net income — basic	$	33,615	$	37,076	$	91,236	$	85,101
After tax interest on convertible debt	13		13		25		26
Net income — diluted	$	33,628	$	37,089	$	91,261	$	85,127
Weighted average shares (denominator):
Weighted average shares — basic	211,821		215,898		211,602		218,015
Stock options	4,004		2,887		3,880		2,922
Convertible debt	121		121		121		121
Weighted average shares — diluted	215,946		218,906		215,603		221,058
Net income per share:
Basic	$	0.16	$	0.17	$	0.43	$	0.39
Diluted	$	0.16	$	0.17	$	0.42	$	0.39