Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
ASSETS
Cash and due from banks	$ 174,479	$ 256,300
Interest-bearing deposits with other banks	97,202	173,257
Loans held for sale	63,045	67,899
Investment securities:
Held to maturity (estimated fair value of $279 in 2013 and $319 in 2012)	257	292
Available for sale	2,811,847	2,793,725
Loans, net of unearned income	12,377,288	12,146,971
Less: Allowance for loan losses	(220,041)	(223,903)
Net Loans	12,157,247	11,923,068
Premises and equipment	226,754	227,723
Accrued interest receivable	47,485	45,786
Goodwill	530,614	530,656
Intangible assets	4,373	4,907
Other assets	569,434	509,484
Total Assets	16,682,737	16,533,097
LIABILITIES
Noninterest-bearing	3,075,511	3,009,966
Interest-bearing	9,312,949	9,474,197
Total Deposits	12,388,460	12,484,163
Short-term borrowings:
Federal funds purchased	729,521	592,470
Other short-term borrowings	397,445	275,929
Total Short-Term Borrowings	1,126,966	868,399
Accrued interest payable	21,393	19,330
Other liabilities	194,944	185,296
Federal Home Loan Bank advances and long-term debt	889,211	894,253
Total Liabilities	14,620,974	14,451,441
SHAREHOLDERS' EQUITY
Common stock, $2.50 par value, 600 million shares authorized, 217.0 million shares issued in 2013 and 216.8 million shares issued in 2012	542,486	542,093
Additional paid-in capital	1,427,310	1,426,267
Retained earnings	387,546	363,937
Accumulated Other Comprehensive Income	5,637	5,675
Treasury stock, 21.7 million shares in 2013 and 17.6 million shares in 2012	(301,216)	(256,316)
Total Shareholders' Equity	2,061,763	2,081,656
Total Liabilities and Shareholders' Equity	$ 16,682,737	$ 16,533,097