Earnings Per Share

9 Months Ended

Sep. 30, 2011

(6) Earnings Per Share

The following table details the reconciliation of basic earnings per share to diluted earnings per share:

	Three months ended		Nine months ended
	September 30,		September 30,
	2011	2010	2011	2010
Numerator for basic and diluted earnings per share:

Net income	$ 7,506	$ 6,723	$ 18,858	$ 17,844

Denominator:

Weighted-average basic common shares outstanding	31,097	34,103	31,247	34,075
Assumed conversion of dilutive securities:
Stock options	1,863	1,307	1,780	1,400
Denominator for diluted earnings
per share - Adjusted weighted-average shares	32,960	35,410	33,027	35,475

Earnings per common share:
Basic	$ 0.24	$ 0.20	$ 0.60	$ 0.52
Diluted	$ 0.23	$ 0.19	$ 0.57	$ 0.50

For the three and nine months ended September 30, 2011, stock options representing the right to purchase common stock of approximately 764,000 shares and 781,000 shares, respectively, were not included in the computation of diluted earnings per share because their inclusion would have had an anti-dilutive effect. For the three and nine months ended September 30, 2010, stock options representing the right to purchase common stock of approximately 1.5 million shares and 2.0 million shares, respectively, were not included in the computation of diluted earnings per share because their inclusion would have had an anti-dilutive effect.