Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2012

Summary of Weighted Average Number of Common Shares Outstanding

The table below reflects the calculation of the weighted average number of common shares outstanding, on an as if converted basis, used in computing basic and diluted earnings per common share.

	Year Ended December 31,
	2012		2011		2010
Denominator:
Basic common shares outstanding		44,332		44,631		45,722
Effect of dilutive stock options and restricted stock		919		474		674
Diluted common shares outstanding		45,251		45,105		46,396