Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table presents the computations for basic and diluted earnings per common share:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2013		2012		2013		2012
	(in thousands, except shares and per share amounts)
Numerator:
Net income	$	21,048	$	30,598	$	71,487	$	364,775
Denominator:
Weighted average shares outstanding - basic	62,309,270		62,139,833		62,280,542		62,110,498
Dilutive securities outstanding	1,151,748		706,031		990,518		634,679
Weighted average shares outstanding - diluted	63,461,018		62,845,864		63,271,060		62,745,177
Earnings per share - basic	$	0.34	$	0.49	$	1.15	$	5.87
Earnings per share - diluted	$	0.33	$	0.49	$	1.13	$	5.81
Antidilutive securities outstanding (weighted average):
Stock options	359		13,054		6,445		14,174
Restricted shares	0		0		1,067		9,249
Total antidilutive securities outstanding	359		13,054		7,512		23,423