EARNINGS / (LOSS) PER SHARE (Tables)

3 Months Ended

Mar. 31, 2013

Computation of Basic And Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share for the periods indicated.

	Three months ended March 31,
	2013			2012
Net income / (loss)	$	(79,456	)	$	60,184
Weighted average shares of common stock outstanding (used to calculate basic EPS)		81,538			72,885
Net effect of dilutive employee stock options based on the treasury stock method		465			217
Weighted average shares of common stock outstanding (used to calculate diluted EPS)		82,003			73,102
Net income / (loss) per common share - basic	$	(0.97	)	$	0.83
Net income / (loss) per common share - diluted	$	(0.97	)	$	0.82