Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2016

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				Nine Months Ended
	September 30,				September 30,
	2016		2015		2016		2015
	(In thousands, except per share amounts)
Amounts attributable to common stockholders:
Net income:
Net income — basic	$	47,727	$	47,448	$	110,792	$	161,418
After tax interest on convertible debt	13		13		35		37
Net income — diluted	$	47,740	$	47,461	$	110,827	$	161,455
Weighted average shares (denominator):
Weighted average shares — basic	193,274		199,310		193,999		201,729
Stock options	3,154		4,013		3,049		4,100
Restricted stock units	18		—		6		—
Convertible debt	121		121		121		121
Weighted average shares — diluted	196,567		203,444		197,175		205,950
Net income per share:
Basic	$	0.25	$	0.24	$	0.57	$	0.80
Diluted	$	0.24	$	0.23	$	0.56	$	0.78