Earnings Per Share

9 Months Ended

Sep. 30, 2013

Earnings Per Share

2. Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share under the two-class method:

	Three months ended September 30,						Nine months ended September 30,
	2013			2012			2013			2012
Numerator for basic and diluted earnings per share:
Net income	$	30,148		$	23,898		$	64,031		$	86,106
Effect of reallocating undistributed earnings of participating securities		(183	)		(122	)		(410	)		(458	)
Net income available under the two-class method	$	29,965		$	23,776		$	63,621		$	85,648
Denominator:
Denominator for basic earnings per share—weighted-average shares		22,940,794			22,963,318			22,961,251			22,966,134
Effect of dilutive securities:
Employee stock options		—			—			—			833
Dilutive potential common shares		—			—			—			833
Denominator for diluted earnings per share—adjusted weighted-average shares		22,940,794			22,963,318			22,961,251			22,966,967
Basic earnings per share	$	1.31		$	1.04		$	2.77		$	3.73
Diluted earnings per share	$	1.31		$	1.04		$	2.77		$	3.73