Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 81,379	$ 79,809
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	6,000	28,500
Depreciation and amortization of premises and equipment	12,354	12,577
Net amortization of investment securities premiums	2,908	6,099
Investment securities gains, net	(1,112)	(5,338)
Net (increase) decrease in loans held for sale	(14,728)	6,990
Amortization of intangible assets	630	1,069
Stock-based compensation	3,022	3,207
Excess tax benefit from share-based compensation	(52)	(148)
Decrease in accrued interest receivable	1,921	73
Decrease in other assets	(3,039)	21,847
Decrease in accrued interest payable	1,429	(1,622)
Decrease in other liabilities	3,646	(10,782)
Total adjustments	12,979	62,472
Net cash provided by operating activities	94,358	142,281
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sales of securities available for sale	15,189	172,931
Proceeds from maturities of securities held to maturity	0	65
Proceeds from maturities of securities available for sale	174,619	381,807
Purchase of securities available for sale	(60,952)	(647,141)
Decrease in short-term investments	(57,357)	19,561
Net increase in loans	(74,766)	(534,760)
Net purchases of premises and equipment	(11,501)	(9,272)
Net cash used in investing activities	(14,768)	(616,809)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in demand and savings deposits	104,390	55,058
Net decrease in time deposits	98,083	(281,412)
Decrease in short-term borrowings	(250,322)	751,919
Proceeds from Issuance of Long-term Debt	90,000	0
Repayments of long-term debt	(5,189)	(5,086)
Net proceeds from issuance of stock	4,018	4,527
Excess tax benefit from share-based compensation	52	148
Dividends paid	(30,521)	(15,645)
Acquisition of treasury stock	(49,804)	(71,337)
Net cash used in financing activities	(39,293)	438,172
Net (Decrease) Increase in Cash and Due From Banks	40,297	(36,356)
Cash and Due From Banks at Beginning of Period	218,540	256,300
Cash and Due From Banks at End of Period	258,837	219,944
Cash paid during the period for:
Interest	37,802	44,313
Income taxes	$ 16,407	$ 24,336