Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of Earnings Per Share, Basic and Diluted

The following table presents the weighted-average number of common shares outstanding used in the calculation of basic and diluted income (loss) per share:



	Three Months Ended September 30,		Nine Months Ended September 30,
	2012	2011	2012	2011

Weighted-average common shares outstanding - basic	48,332,878	41,292,819	46,886,820	39,178,952
Dilutive effect of Equity-based Incentive Awards	—	1,565,061	908,999	1,554,861
Weighted-average common shares outstanding - diluted	48,332,878	42,857,880	47,795,819	40,733,813

Anti-dilutive Equity-based Incentive Awards excluded from the computation of diluted income per share	658,445	30,000	575,059	46,560