CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating activities
Net income	$ 46,401	$ 44,564
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan and lease losses	(524)	12,915
Depreciation and amortization	9,465	11,057
Stock-based compensation expense	2,892	3,049
Pension (income) expense	(853)	5,309
Net amortization of premiums/accretion of discounts on investment securities	5,523	11,327
Gains on sales of investment securities	(50)	(1,724)
Originations of loans held for sale	(93,561)	(126,881)
Net gains from sales of loans held for sale	(2,793)	(2,546)
Proceeds from sales of loans held for sale	85,977	131,979
Deferred income taxes	(20,137)	(5,621)
Increase in interest receivable	(2,849)	(462)
Increase in cash surrender value of life insurance	(4,608)	(3,781)
Increase in prepaid expenses	(2,303)	(2,688)
Decrease in indemnification asset	(20,931)	(41,475)
Decrease in accrued expenses	(5,515)	(6,013)
Decrease in interest payable	(72)	(418)
Other	5,917	13,699
Net cash provided by operating activities	43,841	125,240
Investing activities
Proceeds from sales of securities available-for-sale	92,573	92,684
Proceeds from calls, paydowns and maturities of securities available-for-sale	75,691	160,460
Purchases of securities available-for-sale	(142,307)	(109,816)
Proceeds from calls, paydowns and maturities of securities held-to-maturity	74,392	134,089
Purchases of securities held-to-maturity	140,426	13,476
Net decrease in interest-bearing deposits with other banks	3,465	13,927
Net increase in loans and leases - excluding covered loans	(343,050)	(261,546)
Net decrease in covered assets	116,701	180,074
Proceeds from disposal of other real estate owned	28,713	23,590
Purchases of premises and equipment	(7,591)	(6,017)
Cash acquired from business combinations	34,300	0
Net cash (used in) provided by investing activities	(207,539)	213,969
Financing activities
Net increase (decrease) in total deposits	126,905	(226,833)
Net increase (decrease) in short-term borrowings	95,663	(898)
Payments on long-term borrowings	(28,930)	(14,093)
Cash dividends paid on common stock	(25,717)	(45,983)
Treasury stock purchase	(697)	(8,339)
Proceeds from exercise of stock options	65	0
Excess tax benefit on share-based compensation	149	133
Net cash provided by (used in) financing activities	167,438	(296,013)
Cash and due from banks:
Net increase in cash and due from banks	3,740	43,196
Cash and due from banks at beginning of period	117,620	134,502
Cash and due from banks at end of period	121,360	177,698
Supplemental schedule for investing activities
Assets acquired, net of purchase considerations	630,451	0
Liabilities assumed	672,859	0
Goodwill	$ 42,408	$ 0