Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Loans and leases
Taxable	$ 430,032	$ 458,792	$ 1,292,259	$ 1,405,181
Tax-exempt	2,756	1,806	8,487	3,821
Available-for-sale and other securities
Taxable	47,947	61,438	160,201	180,039
Tax-exempt	2,321	2,725	7,517	8,675
Held-to-maturity securities - taxable	5,059	0	6,346	0
Other	2,881	9,908	10,200	19,385
Total interest income	490,996	534,669	1,485,010	1,617,101
Interest expense
Deposits	64,985	103,380	209,085	346,504
Short-term borrowings	932	945	2,737	1,936
Federal Home Loan Bank advances	234	601	669	2,848
Subordinated notes and other long-term debt	18,367	19,781	58,374	62,302
Total interest expense	84,518	124,707	270,865	413,590
Net interest income	406,478	409,962	1,214,145	1,203,511
Provision for credit losses	43,586	119,160	128,768	547,574
Net interest income after provision for credit losses	362,892	290,802	1,085,377	655,937
Service charges on deposit accounts	65,184	65,932	180,183	211,205
Mortgage banking income	12,791	52,045	59,310	122,613
Trust services income	29,473	26,997	90,607	83,161
Electronic banking income	32,714	28,090	93,228	81,334
Insurance income	17,220	19,801	51,564	56,735
Brokerage income	20,349	16,575	61,679	51,901
Bank owned life insurance income	15,644	14,091	48,065	44,953
Automobile operating lease income	5,890	11,356	22,044	35,501
Net gains on sales of investment securities	14	2,421	5,908	11,831
Impairment losses on investment securities:
Impairment recoveries (losses) on investment securities	(5,726)	27,775	5,368	24,568
Noncredit-related (recoveries) losses on securities not expected to be sold (recognized in other comprehensive income)	4,362	(30,492)	(11,079)	(36,570)
Net impairment losses on investment securities	(1,364)	(2,717)	(5,711)	(12,002)
Other income	60,644	32,552	144,394	90,406
Total noninterest income	258,559	267,143	751,271	777,638
Personnel costs	226,835	208,272	664,433	586,789
Outside data processing and other services	49,602	38,553	133,773	118,305
Net occupancy	26,967	26,718	82,288	81,192
Deposit and other insurance expense	17,492	23,406	59,211	74,228
Professional services	20,281	20,672	53,826	67,757
Equipment	22,262	21,651	66,660	63,860
Marketing	22,251	20,921	59,248	49,756
Amortization of intangibles	13,387	15,145	40,143	45,432
OREO and foreclosure expense	4,668	12,047	12,997	28,547
Automobile operating lease expense	4,386	9,159	16,656	28,892
Other expense	30,987	30,765	108,991	94,455
Total noninterest expense	439,118	427,309	1,298,226	1,239,213
Income before income taxes	182,333	130,636	538,422	194,362
Provision for income taxes	38,942	29,690	122,667	4,915
Net income	143,391	100,946	415,755	189,447
Dividends on preferred shares	7,703	29,495	23,110	88,278
Net income applicable to common shares	$ 135,688	$ 71,451	$ 392,645	$ 101,169
Average common shares - basic	863,911	716,911	863,542	716,604
Average common shares - diluted	867,633	719,567	867,446	719,182
Per common share:
Net income - basic	$ 0.16	$ 0.10	$ 0.45	$ 0.14
Net income - diluted	$ 0.16	$ 0.10	$ 0.45	$ 0.14
Cash dividends declared, prior period	$ 0.04	$ 0.01	$ 0.06	$ 0.03