The following table details the calculations of basic and diluted earnings per common share for the three and nine months ended September 30, 2011 and 2010 ($ in thousands):

	Three Months Ended September 30, 2011		Three Months Ended September 30, 2010		Nine Months Ended September 30, 2011			Nine Months Ended September 30, 2010

Net income attributable to the Company	$	33,880		37,125	$	79,466			69,348
Dividends on unvested common stock, net of tax benefit		-		-		236			218
Net income attributable to common shareholders	$	33,880		37,125	$	79,230			69,130

Basic weighted average shares outstanding		43,421,666		42,568,764		43,069,567			42,175,393
Basic income per common share before dividends on unvested common stock	$	0.78	$	0.87	$	1.85		$	1.64
Dividends on unvested common stock, net of tax benefit		-		-		(0.01	)		-
Basic earnings per common share	$	0.78		0.87	$	1.84			1.64

Diluted weighted average shares outstanding		44,355,453		44,088,989		44,376,796			44,064,294
Diluted income per common share before dividends on unvested common stock	$	0.76		0.84	$	1.80			1.57
Dividends on unvested common stock, net of tax benefit		-		-		(0.01	)		-
Diluted earnings per common share	$	0.76		0.84	$	1.79			1.57