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Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

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 per share:

	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
Weighted-average common shares outstanding - basic	47,944,193			40,994,082			46,155,846			38,104,500
Dilutive effect of Equity-based Incentive Awards	994,573			1,459,700			1,052,259			1,373,116
Weighted-average common shares outstanding - diluted	48,938,766			42,453,782			47,208,105			39,477,616
Anti-dilutive Equity-based Incentive Awards excluded from the computation of diluted income per share	54,260			37,760			34,260			69,960

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations.

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