Consolidated Statement of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Interest income
Loans and leases, including fees	$ 687,466	$ 655,581	$ 2,010,529	$ 1,873,860
Deposits at banks	139	1,164	1,119	1,679
Federal funds sold	6	23	17	51
Agreements to resell securities		4		132
Trading account	214	312	849	982
Investment securities
Fully taxable	54,959	60,880	177,647	192,369
Exempt from federal taxes	2,067	2,387	6,171	7,014
Total interest income	744,851	720,351	2,196,332	2,076,087
Interest expense
NOW accounts	327	354	1,034	830
Savings deposits	16,510	22,664	51,633	62,660
Time deposits	10,843	17,684	36,706	56,065
Deposits at Cayman Islands office	336	188	781	775
Short-term borrowings	365	222	1,016	861
Long-term borrowings	53,748	62,520	174,068	183,171
Total interest expense	82,129	103,632	265,238	304,362
Net interest income	662,722	616,719	1,931,094	1,771,725
Provision for credit losses	46,000	58,000	155,000	196,000
Net interest income after provision for credit losses	616,722	558,719	1,776,094	1,575,725
Other income
Mortgage banking revenues	106,812	38,141	232,518	125,448
Service charges on deposit accounts	114,463	121,577	334,334	351,024
Trust income	115,709	113,652	354,937	218,565
Brokerage services income	14,114	13,907	44,187	43,129
Trading account and foreign exchange gains	8,469	4,176	25,278	19,253
Gain on bank investment securities	372	89	9	150,186
Total other-than-temporary impairment ("OTTI") losses	(2,134)	(7,649)	(26,246)	(50,374)
Portion of OTTI losses recognized in other comprehensive income (before taxes)	(3,538)	(1,993)	(7,085)	(1,839)
Net OTTI losses recognized in earnings	(5,672)	(9,642)	(33,331)	(52,213)
Equity in earnings of Bayview Lending Group LLC	(5,183)	(6,911)	(16,570)	(18,812)
Other revenues from operations	96,649	93,393	272,744	347,878
Total other income	445,733	368,382	1,214,106	1,184,458
Other expense
Salaries and employee benefits	321,746	325,197	991,530	891,465
Equipment and net occupancy	64,248	68,101	194,667	184,434
Printing, postage and supplies	8,272	10,593	31,512	29,518
Amortization of core deposit and other intangible assets	14,085	17,401	46,766	44,455
FDIC assessments	23,801	26,701	77,712	72,404
Other costs of operations	183,875	214,026	540,927	516,209
Total other expense	616,027	662,019	1,883,114	1,738,485
Income before taxes	446,428	265,082	1,107,086	1,021,698
Income taxes	152,966	81,974	373,781	309,959
Net income	293,462	183,108	733,305	711,739
Net income available to common shareholders
Basic	273,885	164,668	676,821	651,941
Diluted	$ 273,896	$ 164,671	$ 676,842	$ 651,966
Net income per common share
Basic	$ 2.18	$ 1.32	$ 5.39	$ 5.34
Diluted	$ 2.17	$ 1.32	$ 5.37	$ 5.32
Cash dividends per common share	$ 0.70	$ 0.70	$ 2.10	$ 2.10
Average common shares outstanding
Basic	125,819	124,575	125,510	122,005
Diluted	126,292	124,860	125,936	122,521