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Accumulated Other Comprehensive Income (Loss) (Schedule Of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Mar. 31, 2016 | Dec. 31, 2015 | Mar. 31, 2015 | Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss), before Tax |  | $ (24,337) |  | $ (24,337) |  |  | $ (104,352) |  |
Deferred tax expense (benefit) |  | (9,310) |  | (9,310) |  |  | (39,912) |  |
Accumulated other comprehensive income (loss), net of tax |  | (15,027) | $ (51,159) | (15,027) | $ (51,159) | $ (23,824) | (64,440) | $ (35,411) | $ (52,981)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax |  | 6,573 | (1,691) | 8,411 | (305) |  |  |  |
Amortization of actuarial losses and prior service cost |  | (1,830) | (2,835) | (3,430) | (5,668) |  |  |  |
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax |  | 1,882 | 2,887 | 3,534 | 5,773 |  |  |  |
Unrealized Gains on Investment Securities Available for Sale |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), before Tax |  | 50,548 |  | 50,548 |  |  | (24,504) |  |
Deferred tax expense (benefit) |  | 19,335 |  | 19,335 |  |  | (9,379) |  |
Accumulated other comprehensive income (loss), net of tax | [1] | 31,213 | 2,604 | 31,213 | 2,604 | 24,034 | (15,125) | 20,551 | 5,098
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | [1] | 7,736 | 73 | 10,594 | 3,222 |  |  |  |
Funded Status of Defined Benefit Plan |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), before Tax |  | (74,885) |  | (74,885) |  |  | (78,419) |  |
Deferred tax expense (benefit) |  | (28,645) |  | (28,645) |  |  | (29,996) |  |
Accumulated other comprehensive income (loss), net of tax | [1] | (46,240) | (51,888) | (46,240) | (51,888) | (47,403) | (48,423) | (53,652) | (55,415)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | [1] | (1,163) | (1,764) | (2,183) | (3,527) |  |  |  |
Unrealized Loss on Cash Flow Hedges |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), before Tax |  | 0 |  | 0 |  |  | (1,429) |  |
Deferred tax expense (benefit) |  | 0 |  | 0 |  |  | (537) |  |
Accumulated other comprehensive income (loss), net of tax | [1] | 0 | (1,875) | 0 | (1,875) | $ (455) | $ (892) | $ (2,310) | $ (2,664)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | [1] | $ 0 | $ 0 | $ 0 | $ 0 |  |  |  |
[1] | All amounts are net of tax.

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- Definition Amount before tax of increase (decrease) in accumulated equity from transactions and other events and circumstances from non-owner sources, including portion attributable to noncontrolling interest. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners (distributions to owners). + References No definition available. + Details
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- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e681-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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