Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011		Sep. 30, 2011
ASSETS
Cash and due from banks	$ 176,529	$ 195,681		$ 161,876
Interest bearing deposits with other banks	757,207	303,663	[1]	338,250
Available-for-sale securities, at fair value	2,483,606	2,513,518	[1]	2,481,555
Loans and leases	8,716,715	8,911,258	[1]	9,096,928
Less: Unearned income	36,746	40,947	[1]	41,023
Allowance for credit losses	169,019	195,118	[1]	199,686
Net loans	8,510,950	8,675,193	[1]	8,856,219
Loans held for sale	129,408	83,458	[1]	100,687
Premises and equipment, net	321,068	323,383	[1]	323,285
Accrued interest receivable	48,314	51,266	[1]	53,338
Goodwill	275,173	271,297	[1]	271,297
Bank-owned life insurance	203,798	200,085	[1]	197,945
Other real estate owned	128,211	173,805	[1]	162,686
Other assets	201,473	204,502	[1]	251,380
TOTAL ASSETS	13,235,737	12,995,851	[1]	13,198,518
Deposits:
Demand: Noninterest bearing	2,492,508	2,269,799	[1]	2,198,535
Interest bearing	4,697,260	4,706,825	[1]	4,736,858
Savings	1,103,490	991,702	[1]	968,277
Other time	2,681,382	2,986,863	[1]	3,159,563
Total deposits	10,974,640	10,955,189	[1]	11,063,233
Federal funds purchased and securities sold under agreement to repurchase	377,676	373,933	[1]	449,501
Short-term Federal Home Loan Bank and other short-term borrowings	0	1,500	[1]	1,500
Accrued interest payable	6,759	8,644	[1]	10,017
Junior subordinated debt securities	160,312	160,312	[1]	160,312
Long-term Federal Home Loan Bank borrowings	33,500	33,500	[1]	33,500
Other liabilities	236,147	199,861	[1]	213,702
TOTAL LIABILITIES	11,789,034	11,732,939	[1]	11,931,765
SHAREHOLDERS' EQUITY
Common stock, $2.50 par value per share Authorized - 500,000,000 shares; Issued - 94,440,710,83,483,796 and 83,488,963 shares, respectively	236,102	208,709	[1]	208,722
Capital surplus	311,271	227,567	[1]	227,006
Accumulated other comprehensive income (loss)	5,952	(2,261)	[1]	14,595
Retained earnings	893,378	828,897	[1]	816,430
TOTAL SHAREHOLDERS' EQUITY	1,446,703	1,262,912	[1]	1,266,753
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 13,235,737	$ 12,995,851	[1]	$ 13,198,518

[1] Derived from audited financial statements.