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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes

Schedule of current and deferred portions of net income tax expense

		2011			2010			2009
		(Dollars in Thousands)
Current
U.S.		$	61,279		$	70,338		$	77,653
State			5,083			4,129			3,340
Foreign			15			22			30
Total current taxes			66,377			74,489			81,023
Deferred
U.S.			(2,296	)		(3,394	)		(8,513	)
State			(3	)		(138	)		5,478
Total deferred taxes			(2,299	)		(3,532	)		(3,035	)
Total income taxes		$	64,078		$	70,957		$	77,988

Schedule of income tax expense differences from the amount computed by applying the U.S. Federal income tax rate to income before income taxes

		2011			2010			2009
		(Dollars in Thousands)
Computed expected tax expense		$	66,941		$	70,355		$	77,293
Change in taxes resulting from:
Tax-exempt interest income			(3,682	)		(2,813	)		(1,937	)
State tax, net of federal income taxes and tax credit			3,302			2,594			5,722
Tax refunds			—			(2,143	)		—
Litigation expense			—			5,375			—
Other investment income			(3,083	)		(3,172	)		(3,526	)
Other			600			761			436
Actual tax expense		$	64,078		$	70,957		$	77,988

Schedule of tax effects of temporary difference that give rise to significant portions of the deferred tax assets and deferred tax liabilities

		2011			2010
		(Dollars in Thousands)
Deferred tax assets:
Loans receivable, principally due to the allowance for probable loan losses		$	34,035		$	34,086
Other real estate owned			3,774			323
Impairment charges on available-for-sale securities			3,288			2,946
Accrued expenses			514			304
Other			5,189			6,065
Total deferred tax assets			46,800			43,724
Deferred tax liabilities:
Bank premises and equipment, principally due to differences on depreciation			(23,313	)		(24,272	)
Net unrealized gains on available for sale investment securities			(47,252	)		(15,833	)
Identified intangible assets and goodwill			(18,430	)		(18,383	)
Other			(9,439	)		(7,750	)
Total deferred tax liabilities			(98,434	)		(66,238	)
Net deferred tax liability		$	(51,634	)	$	(22,514	)

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Topic 740

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-Name Accounting Standards Codification

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-Section 50

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Topic 740

-SubTopic 10

-Publisher FASB

-Number

-Article

-Subparagraph

-Name Accounting Standards Codification

-Paragraph 12

-Section 50

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