Consolidated Statements of Condition (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Assets
Interest-Bearing Deposits	$ 4,673	$ 3,036
Funds Sold	251,664	512,384
Investment Securities
Available-for-Sale	3,124,209	3,451,885
Held-to-Maturity (Fair Value of $3,587,997 and $3,754,206)	3,475,259	3,657,796
Loans Held for Sale	25,971	18,957
Loans and Leases	5,782,304	5,538,304
Allowance for Loan and Lease Losses	(130,971)	(138,606)
Net Loans and Leases	5,651,333	5,399,698
Total Earning Assets	12,533,109	13,043,756
Cash and Noninterest-Bearing Deposits	153,599	154,489
Premises and Equipment	107,144	103,550
Customers' Acceptances	242	476
Accrued Interest Receivable	47,192	43,510
Foreclosed Real Estate	3,067	3,042
Mortgage Servicing Rights	23,980	24,279
Goodwill	31,517	31,517
Other Assets	482,575	441,772
Total Assets	13,382,425	13,846,391
Deposits
Noninterest-Bearing Demand	2,985,561	2,850,923
Interest-Bearing Demand	2,034,319	2,005,983
Savings	4,480,733	4,398,638
Time	1,719,934	1,337,079
Total Deposits	11,220,547	10,592,623
Funds Purchased	10,942	10,791
Securities Sold Under Agreements to Repurchase	818,080	1,925,998
Long-Term Debt	28,065	30,696
Banker's Acceptances	242	476
Retirement Benefits Payable	41,872	46,949
Accrued Interest Payable	5,997	5,330
Taxes Payable and Deferred Taxes	94,369	95,840
Other Liabilities	137,749	135,021
Total Liabilities	12,357,863	12,843,724
Shareholders' Equity
Common Stock ($.01 par value; authorized 500,000,000 shares; issued / outstanding: September 30, 2012 - 57,315,093 / 45,004,813 and December 31, 2011 - 57,134,470 / 45,947,116)	571	571
Capital Surplus	513,758	507,558
Accumulated Other Comprehensive Income	42,424	35,263
Retained Earnings	1,065,245	1,003,938
Treasury Stock, at Cost (Shares: September 30, 2012 - 12,310,280 and December 31, 2011 - 11,187,354)	(597,436)	(544,663)
Total Shareholders' Equity	1,024,562	1,002,667
Total Liabilities and Shareholders' Equity	$ 13,382,425	$ 13,846,391