Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012		Jun. 30, 2012
ASSETS
Cash and due from banks	$ 268,647	$ 223,814	[1]	$ 224,084
Interest bearing deposits with other banks	526,608	979,800	[1]	603,458
Available-for-sale securities, at fair value	2,644,939	2,434,032	[1]	2,462,831
Loans and leases	8,711,023	8,672,752	[1]	8,771,642
Less: Unearned income	32,309	35,763	[1]	39,247
Allowance for credit losses	161,047	164,466	[1]	175,847
Net loans	8,517,667	8,472,523	[1]	8,556,548
Loans held for sale	111,574	129,138	[1]	108,134
Premises and equipment, net	313,079	319,456	[1]	320,419
Accrued interest receivable	41,425	44,356	[1]	47,358
Goodwill	275,173	275,173	[1]	271,297
Bank-owned life insurance	235,015	231,120	[1]	202,620
Other real estate owned	88,438	103,248	[1]	143,615
Other assets	195,140	184,538	[1]	207,454
TOTAL ASSETS	13,217,705	13,397,198	[1]	13,147,818
Deposits:
Demand: Noninterest bearing	2,610,768	2,545,169	[1]	2,312,044
Interest bearing	4,667,041	4,799,496	[1]	4,782,243
Savings	1,210,497	1,145,785	[1]	1,083,255
Other time	2,473,312	2,597,696	[1]	2,778,795
Total deposits	10,961,618	11,088,146	[1]	10,956,337
Federal funds purchased and securities sold under agreement to repurchase	382,871	414,611	[1]	361,990
Short-term Federal Home Loan Bank and other short-term borrowings				1,500
Accrued interest payable	5,230	6,140	[1]	7,161
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	214,381	245,437	[1]	208,707
TOTAL LIABILITIES	11,757,912	11,948,146	[1]	11,729,507
SHAREHOLDERS' EQUITY
Common stock, $2.50 par value per share Authorized - 500,000,000 shares; Issued - 95,190,797, 94,549,867 and 94,436,377 shares, respectively	237,976	236,375	[1]	236,091
Capital surplus	312,074	311,909	[1]	310,388
Accumulated other comprehensive (loss) income	(39,333)	(8,646)	[1]	1,334
Retained earnings	949,076	909,414	[1]	870,498
TOTAL SHAREHOLDERS' EQUITY	1,459,793	1,449,052	[1]	1,418,311
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 13,217,705	$ 13,397,198	[1]	$ 13,147,818

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