Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010
ASSETS
Cash and due from banks	$ 166,761	$ 99,916	$ 370,499
Interest bearing deposits with other banks	304,344	172,170	111,040
Held-to-maturity securities, at amortized cost	0	1,613,019	1,147,157
Available-for-sale securities, at fair value	2,560,824	1,096,062	962,692
Federal funds sold and securities purchased under agreement to resell	0	150,000	75,000
Loans and leases	9,255,879	9,376,351	9,691,623
Less: Unearned income	41,326	43,244	44,721
Allowance for credit losses	197,627	196,913	200,744
Net loans	9,016,926	9,136,194	9,446,158
Loans held for sale	70,519	93,697	95,987
Premises and equipment, net	328,075	332,890	336,645
Accrued interest receivable	55,525	61,025	63,862
Goodwill	271,297	270,097	270,097
Bank owned life insurance	197,028	194,064	190,828
Other real estate owned	151,204	133,412	67,560
Other assets	244,547	262,464	283,479
TOTAL ASSETS	13,367,050	13,615,010	13,421,004
Deposits:
Demand: Noninterest bearing	2,096,655	2,060,145	1,897,977
Interest bearing	4,939,553	4,931,518	4,725,457
Savings	944,993	863,034	770,112
Other time	3,327,262	3,635,324	3,827,095
Total deposits	11,308,463	11,490,021	11,220,641
Federal funds purchased and securities sold under agreement to repurchase	426,097	440,593	481,109
Short-term Federal Home Loan Bank and other short-term borrowings	703	2,727	3,500
Accrued interest payable	11,348	14,336	17,508
Junior subordinated debt securities	160,312	160,312	160,312
Long-term Federal Home Loan Bank borrowings	35,000	110,000	110,749
Other liabilities	178,424	174,777	186,926
TOTAL LIABILITIES	12,120,347	12,392,766	12,180,745
SHAREHOLDERS' EQUITY
Common stock, $2.50 par value per share Authorized - 500,000,000 shares; Issued - 83,488,962 83,481,737 and 83,481,738 shares, respectively	208,722	208,704	208,704
Capital surplus	226,362	224,976	223,922
Accumulated other comprehensive loss	6,289	(14,453)	(5,008)
Retained earnings	805,330	803,017	812,641
TOTAL SHAREHOLDERS' EQUITY	1,246,703	1,222,244	1,240,259
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 13,367,050	$ 13,615,010	$ 13,421,004