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 June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
Numerator for basic earnings from continuing operations per common share:
Earnings from continuing operations	$	48,576		$	39,990		$	49,930		$	36,804
Earnings from continuing operations allocated to participating securities	(722		)	(906		)	(743		)	(869		)
Numerator for basic earnings from continuing operations per common share	$	47,854		$	39,084		$	49,187		$	35,935
Numerator for basic earnings per common share:
Net earnings	$	48,576		$	40,147		$	49,929		$	36,962
Net earnings allocated to participating securities	(723		)	(910		)	(743		)	(873		)
Numerator for basic net earnings per common share	$	47,853		$	39,237		$	49,186		$	36,089

Numerator for diluted earnings per common share:
Earnings from continuing operations	$	48,576		$	39,990		$	49,930		$	36,804
Discontinued operations, net of income taxes	—			157			(1		)	158
Net earnings	$	48,576		$	40,147		$	49,929		$	36,962
Denominator for net earnings per common share:
Basic	16,978			16,444			16,940			16,401
Plus dilutive effect of stock options	268			109			247			100
Plus dilutive effect of participating securities	256			382			256			398
Diluted	17,502			16,935			17,443			16,899

Net earnings per common share:
Basic
Earnings from continuing operations	$	2.82		$	2.38		$	2.90		$	2.19
Discontinued operations	$	—		$	0.01		$	—		$	0.01
Net earnings	$	2.82		$	2.39		$	2.90		$	2.20

Diluted
Earnings from continuing operations	$	2.77		$	2.36		$	2.86		$	2.18
Discontinued operations	$	—		$	0.01		$	—		$	0.01
Net earnings	$	2.77		$	2.37		$	2.86		$	2.19