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Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2012

Schedule of Earnings Per Share Basic and Diluted


		Three Months Ended June 30,								Six Months Ended June 30,
		2012				2011				2012				2011
Numerator—basic and diluted
Net income		$	7,747			$	15,325			$	26,178			$	34,583

Denominator
Weighted average number of common shares outstanding—basic			40,592				40,587				40,475				42,223
Effect of dilutive stock options			646				949				804				918
Effect of dilutive convertible notes			229				836				737				759
Effect of dilutive restricted shares			607				540				656				520

Weighted average number of common shares outstanding—diluted			42,074				42,912				42,672				44,420

Earnings per common share—basic		$	0.19			$	0.38			$	0.65			$	0.82

Earnings per common share—diluted		$	0.18			$	0.36			$	0.61			$	0.78

Antidilutive stock options and restricted shares			3,530				2,162				2,806				2,091