The following is a reconciliation of the numerator and denominator of the earnings per common share computations (in thousands, except per share data):



	Three Months Ended September 30,					Nine Months Ended September 30,
	2012			2011		2012			2011
Numerator for basic earnings from continuing operations per common share:
Earnings from continuing operations	$	5,973		$	19,720	$	55,903		$	56,524
Earnings from continuing operations allocated to participating securities	(78		)	—		(729		)	(926		)
Numerator for basic earnings from continuing operations per common share	$	5,895		$	19,720	$	55,174		$	55,598
Numerator for basic earnings per common share:
Net earnings	$	5,973		$	19,780	$	55,902		$	56,742
Net earnings allocated to participating securities	(78		)	—		(729		)	(929		)
Numerator for basic net earnings per common share	$	5,895		$	19,780	$	55,173		$	55,813

Numerator for diluted earnings per common share:
Earnings from continuing operations	$	5,973		$	19,720	$	55,903		$	56,524
Discontinued operations, net of income taxes	—			60		(1		)	218
Net earnings	$	5,973		$	19,780	$	55,902		$	56,742
Denominator for net earnings per common share:
Basic	17,130			16,858		17,004			16,555
Plus dilutive effect of stock options	220			116		236			105
Plus dilutive effect of participating securities	225			—		225			279
Diluted	17,575			16,974		17,465			16,939

Net earnings per common share:
Basic
Earnings from continuing operations	$	0.34		$	1.17	$	3.24		$	3.36
Discontinued operations	$	—		$	—	$	—		$	0.01
Net earnings	$	0.34		$	1.17	$	3.24		$	3.37

Diluted
Earnings from continuing operations	$	0.34		$	1.16	$	3.20		$	3.34
Discontinued operations	$	—		$	0.01	$	—		$	0.01
Net earnings	$	0.34		$	1.17	$	3.20		$	3.35