Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013		Sep. 30, 2013
ASSETS
Cash and due from banks	$ 169,226	$ 208,961	[1]	$ 199,464
Interest bearing deposits with other banks	70,408	319,462	[1]	361,401
Available-for-sale securities, at fair value	2,211,462	2,466,989	[1]	2,554,156
Loans and leases	9,546,250	8,993,888	[1]	8,806,392
Less: Unearned income	35,708	35,873	[1]	33,277
Allowance for credit losses	143,950	153,236	[1]	153,974
Net loans and leases	9,366,592	8,804,779	[1]	8,619,141
Loans held for sale ($137,005 at fair value September 30, 2014	137,005	69,593	[1]	77,114
Premises and equipment, net	307,497	315,260	[1]	314,441
Accrued interest receivable	42,311	42,150	[1]	43,034
Goodwill	291,498	286,800	[1]	275,173
Other identifiable intangibles	25,619	26,079	[1]	15,179
Bank-owned life insurance	243,827	239,434	[1]	236,969
Other real estate owned	42,691	69,338	[1]	76,853
Other assets	163,421	180,888	[1]	143,228
TOTAL ASSETS	13,071,557	13,029,733	[1]	12,916,153
Deposits:
Demand: Noninterest bearing	2,811,156	2,644,592	[1]	2,597,762
Interest bearing	4,498,275	4,582,450	[1]	4,493,359
Savings	1,311,874	1,234,130	[1]	1,220,227
Other time	2,080,232	2,312,664	[1]	2,406,598
Total deposits	10,701,537	10,773,836	[1]	10,717,946
Federal funds purchased and securities sold under agreement to repurchase	431,428	421,028	[1]	418,623
Short-term Federal Home Loan Bank and other short-term borrowings	2,000
Accrued interest payable	3,894	4,836	[1]	5,156
Junior subordinated debt securities	23,198	31,446	[1]	31,446
Long-term debt	81,742	81,714	[1]	83,500
Other liabilities	217,215	203,743	[1]	178,871
TOTAL LIABILITIES	11,461,014	11,516,603	[1]	11,435,542
SHAREHOLDERS' EQUITY
Common stock, $2.50 par value per share Authorized - 500,000,000 shares; Issued - 96,065,021, 95,231,691 and 95,211,602 shares, respectively	240,165	238,079	[1]	238,029
Capital surplus	322,488	312,900	[1]	312,798
Accumulated other comprehensive (loss) income	(15,513)	(29,959)	[1]	(39,389)
Retained earnings	1,063,403	992,110	[1]	969,173
TOTAL SHAREHOLDERS' EQUITY	1,610,543	1,513,130	[1]	1,480,611
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 13,071,557	$ 13,029,733	[1]	$ 12,916,153

[1] Derived from audited financial statements.See accompanying notes to consolidated financial statements.