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Earnings per Share ("EPS") (Tables)

12 Months Ended

Dec. 31, 2011

Earnings per Share ("EPS")

Schedule of calculation of the basic EPS and the diluted EPS

		Net Income (Numerator)			Shares (Denominator)			Per Share Amount
		(Dollars in Thousands, Except Per Share Amounts)
December 31, 2011:
Basic EPS
Net income available to common shareholders		$	113,869			67,506,554		$	1.69
Potential dilutive common shares			—			62,914
Diluted EPS		$	113,869			67,569,468		$	1.69
December 31, 2010:
Basic EPS
Net income available to common shareholders		$	116,897			67,921,353		$	1.72
Potential dilutive common shares			—			83,088
Diluted EPS		$	116,897			68,004,441		$	1.72
December 31, 2009:
Basic EPS
Net income		$	129,758			68,373,732		$	1.90
Potential dilutive common shares			—			20,892
Diluted EPS		$	129,758			68,394,624		$	1.90

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Tabular disclosure of an entity's basic and diluted earnings per share calculations.

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