Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

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,
	2014		2013		2014		2013
	(In thousands, except per share amounts)
Amounts attributable to common stockholders:
Net income:
Net income — basic	$	25,922	$	33,615	$	67,024	$	91,236
After tax interest on convertible debt	13		13		25		25
Net income — diluted	$	25,935	$	33,628	$	67,049	$	91,261
Weighted average shares (denominator):
Weighted average shares — basic	212,390		211,821		212,613		211,602
Stock options	3,478		4,004		3,859		3,880
Convertible debt	121		121		121		121
Weighted average shares — diluted	215,989		215,946		216,593		215,603
Net income per share:
Basic	$	0.12	$	0.16	$	0.32	$	0.43
Diluted	$	0.12	$	0.16	$	0.31	$	0.42