CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 100,027	$ 74,171	[1]
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	17,422	17,420	[1]
(Accretion) of discount and amortization of premiums, net	(18,600)	(56,020)
Changes in FDIC indemnification asset and receivable/payable	8,422	53,634
Stock compensation costs	3,954	3,180
Tax benefit from stock compensation plans, net	(3,145)	(3,708)
Provision for loan losses	4,987	6,933
Net gain on sales of available-for-sale investment securities, loans and other assets	(17,788)	(10,458)
Originations and purchases of loans held for sale		(60,492)
Proceeds from sales and paydowns/payoffs in loans held for sale	457	40,781
Net (payments to) proceeds from FDIC shared-loss agreements	(1,810)	4,139
Net change in accrued interest receivable and other assets	5,980	41,713	[1]
Net change in accrued expenses and other liabilities	26,413	(63,610)
Other net operating activities	(781)	203
Total adjustments	25,511	(26,285)	[1]
Net cash provided by operating activities	125,538	47,886
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisitions, net of cash paid		138,465
Net (increase) decrease in:
Loans	(454,194)	(734,560)
Short-term investments	13,364	(65,793)
Securities purchased under resale agreements	(425,000)	100,000
Purchases of:
Available-for-sale investment securities	(517,477)	(138,149)
Loans receivable	(1,609)	(974)
Premises and equipment	(1,741)
Investments in qualified affordable housing partnerships, tax credit and other investments	(20,861)	(27,510)
Proceeds from sale of:
Available-for-sale investment securities	180,501	330,231
Loans receivable	679,775	134,150
Other real estate owned	4,513	4,986
Premises and equipment	4,345
Repayments, maturities and redemptions of available-for-sale investment securities	138,422	151,358
Redemption of Federal Home Loan Bank stock	2,636	12,930
Surrender of life insurance policies	156	14,769
Other net investing activities	(105)	(5,512)
Net cash used in investing activities	(397,275)	(85,609)
Net increase (decrease) in:
Deposits	1,154,059	1,096,290
Securities sold under repurchase agreements		(15,000)
Proceeds from:
Issuance of common stock pursuant to various stock plans and agreements	833	283
Payment for:
Repayment of Federal Home Loan Bank advances		(10,000)
Repayment of long-term debt	(5,000)	(15,310)
Repurchase of vested shares due to employee tax liability	(5,691)	(7,074)
Cash dividends	(29,295)	(26,139)
Tax benefit from stock compensation plans, net	3,145	3,708
Net cash provided by financing activities	1,118,051	1,026,758
NET INCREASE IN CASH AND CASH EQUIVALENTS	846,314	989,035
CASH AND CASH EQUIVALENTS, BEGINNING OF THE PERIOD	1,039,885	895,820
CASH AND CASH EQUIVALENTS, END OF THE PERIOD	1,886,199	1,884,855
Cash paid during the period for:
Interest	26,707	27,803
Income tax payments, net of refunds	18,458	70,723
Noncash investing and financing activities:
Loans transferred to loans held for sale, net	820,473	478,982
Transfers to other real estate owned	3,828	15,628
Issuance of stock related to acquisition		$ 190,830

[1] Prior periods were restated to reflect the retrospective application of adopting the new accounting guidance related to the Company?s investments in qualified affordable housing projects Accounting Standard Update ("ASU") 2014-01. See Note 10 of the Notes to Consolidated Financial Statements for additional information.