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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Consolidated Statements of Comprehensive Income [Abstract] |  |  |  |
Net income | $ 46,719 | $ 41,166 | $ 97,465 | $ 116,154
Other comprehensive income: |  |  |  |
Net change in unrealized (loss) gain on available for sale securities and hedges | (5,604) | 15,131 | 39,997 | 2,174
Reclassification adjustment for net losses realized and included in earnings | 1,158 | 802 | 2,960 | 2,208
Valuation adjustment for employee benefit plans | (6,347) | 4,963 | (6,347) | (959)
Amortization of unrealized net loss on securities transferred to held to maturity | 1,108 | 1,023 | 2,736 | 2,609
Other comprehensive (loss) income before income taxes | (9,685) | 21,919 | 39,346 | 6,032
Income tax (benefit) expense | (3,537) | 8,002 | 14,440 | 2,125
Other comprehensive (loss) income net of income taxes | (6,148) | 13,917 | 24,906 | 3,907
Comprehensive income | $ 40,571 | $ 55,083 | $ 122,371 | $ 120,061

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=51831270 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Comprehensive Income -URI http://asc.fasb.org/extlink&oid=51831223 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e557-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=51831255 + Details
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