Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2011

Net income per common share

Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]

			Three Months Ended				Nine Months Ended
			September 30,				September 30,
			2011		2010		2011		2010
Numerator:
Net income			$	168,988	$	148,031	$	293,086	$	608,476
Preferred dividends				(6,461)		(6,461)		(19,383)		(19,383)
Net income available to common shareholders			$	162,527	$	141,570	$	273,703	$	589,093
Denominator:
	Weighted average common shares
		outstanding – basic		131,560,851		146,993,373		132,090,354		152,979,948
	Effect of dilutive common share equivalents:
		Nonvested restricted shares		750,289		814,218		952,898		1,036,353
		Stock options (1)		4,829,789		5,738,436		5,499,306		5,935,293
	Weighted average common shares
		and common share equivalents
		outstanding – diluted		137,140,929		153,546,027		138,542,558		159,951,594
Earnings per common share:
	Basic		$	1.24	$	0.96	$	2.07	$	3.85
	Diluted		$	1.19	$	0.92	$	1.98	$	3.68