Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 89,077	$ 95,438
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	15,666	16,021
Provision for loan losses	14,654	17,835
Losses on other real estate owned	2,133	1,846
Deferred tax expense	21,495	13,134
Increase in cash surrender value of life insurance contracts	(4,601)	(6,364)
(Gain) loss on disposal of other assets	(265)	189
Net decrease in loans originated for sale	338	29,350
Net amortization of securities premium/discount	8,543	19,842
Amortization of intangible assets	13,782	14,986
Amortization of FDIC indemnification asset	7,229
Stock-based compensation expense	7,120	7,026
Decrease in interest payable and other liabilities	(10,085)	(5,021)
Funds collected under FDIC loss share agreements		33,919
(Increase) decrease in FDIC loss share receivable	8,730	(5,499)
Decrease in other assets	6,260	40,522
Other, net	4,010	(230)
Net cash provided by operating activities	184,086	272,994
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sales of securities available for sale	1,301
Proceeds from maturities of securities available for sale	145,812	368,016
Purchases of securities available for sale	(48,404)	(1,017,619)
Proceeds from maturities of securities held to maturity	266,657	295,922
Purchases of securities held to maturity	(1,031)	(345,644)
Net (increase) decrease in interest-bearing bank deposits	(172,106)	1,058,901
Net decrease (increase) in federal funds sold and short-term investments	258	(1,630)
Net increase in loans	(581,169)	(147,380)
Purchases of property and equipment	(10,881)	(18,601)
Proceeds from sales of property and equipment	6,946	250
Proceeds from sales of other real estate	29,688	56,826
Other, net	14,873	(3,726)
Net cash (used in) provided by investing activities	(348,056)	245,315
CASH FLOWS FROM FINANCING ACTIVITIES:
Net decrease in deposits	(115,289)	(588,250)
Net increase in short-term borrowings	405,704	188,974
Repayments of long-term debt	(17,756)	(17,645)
Issuance of long-term debt	6,921	6,178
Dividends paid	(40,301)	(40,894)
Repurchase of common stock		(115,000)
Proceeds from exercise of stock options	860	399
Net cash provided by (used in) financing activities	240,139	(566,238)
NET INCREASE (DECREASE) IN CASH AND DUE FROM BANKS	76,169	(47,929)
CASH AND DUE FROM BANKS, BEGINNING	348,440	448,491
CASH AND DUE FROM BANKS, ENDING	424,609	400,562
SUPPLEMENTAL INFORMATION FOR NON-CASH INVESTING AND FINANCING ACTIVITIES
Assets acquired in settlement of loans	$ 15,299	$ 27,048