Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Operating Activities:
Net income	$ 66,083	$ 70,846
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	10,460	11,359
Loan loss provision	8,400	8,400
Net amortization of deferred loan (fees) cost	(295)	12
Decrease in interest income receivable	74	742
Gain on acquisition		(178)
Decrease in other assets	944	11,751
Increase in income taxes payable	805	2,530
Decrease in net deferred tax asset	1,365
Decrease in interest expense payable	(1,196)	(28)
Decrease in other liabilities	(551)	(14,778)
Stock option compensation expense	1,080	1,060
Stock option tax benefits	(6)	(917)
Gain on sale of other assets	(800)	(608)
Net gain on sale of premises and equipment	(398)	(445)
Originations of mortgage loans for resale	(450)	(277)
Net proceeds from sale of mortgage loans originated for resale	471	288
Net gain on sale of foreclosed assets	(280)	(561)
Writedown of foreclosed assets	1,326	793
Net Cash Provided by Operating Activities	87,032	89,989
Investing Activities:
Net repayments of loans	240,524	227,056
Proceeds from FDIC* loss-sharing indemnification	7,956	35,792
Purchases of investment securities available for sale	(208,707)	(279,827)
Purchases of investment securities held to maturity	(233,966)
Proceeds from maturity/calls of securities available for sale	204,168	122,452
Proceeds from maturity/calls of securities held to maturity	61,737	108,096
Net change in FRB**/FHLB*** securities	(12,698)	3,479
Proceeds from sale of foreclosed assets	17,702	10,953
Purchases of premises and equipment	(2,198)	(657)
Proceeds from sale of premises and equipment	640	603
Net cash acquired from acquisitions		57,895
Net Cash Provided by Investing Activities	75,158	285,842
Financing Activities:
Net change in deposits	60,375	(237,794)
Net change in short-term borrowings and FHLB advances	(21,640)	(114,764)
Repayments of notes payable and debt financing	(10,000)
Exercise of stock options	6,234	12,682
Stock option tax benefits	6	917
Repurchases/retirement of stock	(45,062)	(22,249)
Dividends paid	(31,142)	(31,589)
Net Cash Used in Financing Activities	(41,229)	(392,797)
Net Change In Cash and Due from Banks	120,961	(16,966)
Cash and Due from Banks at Beginning of Period	338,793	361,135
Cash and Due from Banks at End of Period	459,754	344,169
Supplemental disclosure of non cash activities:
Loan collateral transferred to other real estate owned	33,196	24,188
Supplemental disclosure of cash flow activities:
Interest paid for the period	9,028	11,759
Income tax payments for the period	22,604	39,578
Acquisitions:
Assets acquired		315,083
Liabilities assumed		314,905
Net		$ 178