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Income Per Common Share (Tables)

12 Months Ended

Dec. 31, 2011

Income Per Common Share [Abstract]

Computation of basic and diluted net income per share


		2011				2010				2009
		(Dollars In Thousands, Except Per Share Amounts)
Numerator:
Net income		$	83,842			$	29,574			$	21,584
Dividends on Series B Preferred			(240	)			(240	)			(240	)
Dividends on Series D Preferred			(60	)			(60	)			(60	)
Dividends on Noncumulative Preferred			(5	)			(5	)			(6	)

Total dividends on preferred stocks			(305	)			(305	)			(306	)

Numerator for basic net income per common share — net income applicable to common stock			83,537				29,269				21,278
Dividends on preferred stocks assumed to be converted, if dilutive			305				305				306
Interest expense including amortization of debt issuance costs, net of income taxes, on convertible debt assumed to be converted, if dilutive			299				1,061				—

Numerator for diluted net income per common share		$	84,141			$	30,635			$	21,584


Denominator:
Denominator for basic net income per common share — weighted-average shares			21,962,294				21,168,184				21,294,780
Effect of dilutive securities:
Convertible preferred stocks			935,432				936,292				938,006
Stock options			325,752				186,258				255,660
Convertible notes payable			275,764				983,160				4,000

Dilutive potential common shares			1,536,948				2,105,710				1,197,666

Denominator for dilutive net income per common share — adjusted weighted-average shares and assumed conversions			23,499,242				23,273,894				22,492,446


Basic net income per common share		$	3.80			$	1.38			$	1.00


Diluted net income per common share		$	3.58			$	1.32			$	.96

Antidilutive securities excluded from computation of earning per share


		2011				2010				2009
Stock options			35,701				357,685				398,699
Convertible notes payable			—				—				1,070,160

			35,701				357,685				1,468,859