Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating activities
Net income	$ 28,962	$ 28,400
Adjustments to reconcile net income to net cash provided by operating activities
Provision for loan and lease losses	9,986	15,593
Depreciation and amortization of premises and equipment	2,652	2,663
Net accretion on securities	512	388
Amortization of intangible assets	1,504	1,561
Stock based compensation	1,723	1,984
Bank owned life insurance income	(1,695)	(1,789)
Purchases of trading securities	(353)	(116)
Unrealized (gains) losses in trading securities	(115)	31
Deferred income tax benefit	(4,003)	(7,938)
Proceeds from sales of loans held for sale	2,477	40,396
Originations and purchases of loans held for sale	(875)	(39,028)
Net gains on sales of loans held for sale	0	(478)
Net security gains	(86)	(91)
Net gain on sales of other real estate owned	(461)	(114)
Net decrease in other assets	2,696	4,592
Net increase (decrease) in other liabilities	158	(1,492)
Net cash provided by operating activities	43,082	44,562
Investing activities
Net cash used in Lattremore acquisition	(1,000)	0
Securities available for sale:
Proceeds from maturities, calls, and principal paydowns	247,959	285,615
Proceeds from sales	118	702
Purchases	(268,154)	(302,152)
Securities held to maturity:
Proceeds from maturities, calls, and principal paydowns	29,288	66,327
Purchases	(9,192)	(28,962)
Net increase in loans	(67,474)	(15,452)
Net (increase) decrease in Federal Reserve and FHLB stock	(179)	3,801
Proceeds from bank owned life insurance	0	2,767
Purchases of premises and equipment	(2,112)	(2,747)
Proceeds from sales of other real estate owned	953	1,678
Net cash (used in) provided by investing activities	(69,793)	11,577
Financing activities
Net (decrease) increase in deposits	(19,739)	8,285
Net increase in short-term borrowings	16,524	3,059
Repayments of long-term debt	(2,140)	(75,237)
Issuance of long-term debt	156	0
Excess tax benefit from exercise of stock options	33	123
Proceeds from the issuance of shares to employee benefit plans and other stock plans	767	1,288
Purchase of treasury stock	(21,164)	0
Cash dividends and payment for fractional shares	(13,752)	(13,781)
Net cash used in financing activities	(39,315)	(76,263)
Net decrease in cash and cash equivalents	(66,026)	(20,124)
Cash and cash equivalents at beginning of period	168,792	187,161
Cash and cash equivalents at end of period	102,766	167,037
Cash paid during the period for:
Interest	21,120	29,443
Income taxes paid, net of refunds received	14,834	21,149
Noncash investing activities:
Loans transferred to OREO	625	672
Fair value of assets acquired	3,460	0
Goodwill and identifiable intangible assets recognized in purchase combination	3,426	0
Fair value of debt issued in purchase combination	$ 2,460	$ 0