The following table reconciles the number of common shares used in calculating the basic and diluted earnings per share from continuing operations for the quarters and nine months ended September 30:



	Quarter Ended				Nine Months Ended
	September 30,				September 30,
(Dollars in thousands, except per-share amounts)	2011		2010		2011		2010
Earnings from continuing operations	$	25,599	$	18,164	$	41,744	$	31,376

Basic average common shares outstanding	40,187,334		40,000,396		40,147,133		39,954,008
Incremental shares due to:
Common stock options	44,147		95,335		54,048		95,595
Performance shares	120,182		108,097		129,691		115,739
Restricted stock units	28,639		30,035		29,005		29,128
Diluted average common shares outstanding	40,380,302		40,233,863		40,359,877		40,194,470

Basic earnings per common share from continuing operations	$	0.64	$	0.45	$	1.04	$	0.79
Diluted earnings per common share from continuing operations	$	0.63	$	0.45	$	1.03	$	0.78

Anti-dilutive shares excluded from the calculation:
Performance shares	77,767		81,162		77,767		81,162
Restricted stock units	—		750		2,700		4,550
Total anti-dilutive shares excluded from the calculation	77,767		81,912		80,467		85,712