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Accumulated Other Comprehensive Income (Loss) (Schedule Of After-Tax Changes In Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Cost of goods sold | $ 210,667 | $ 195,286 | $ 413,856 | $ 375,047
Selling, general and administrative | 20,946 | 21,184 | 42,775 | 41,133
Beginning of Period |  |  | (176,669) | (183,234)
Other comprehensive income (loss) before reclassifications |  |  | (9,734) | 3,009
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | 4,862 | 3,527
Net other comprehensive income (loss) - current period | (9,105) | (420) | (4,872) | 6,536
End of Period | (181,541) | (176,698) | (181,541) | (176,698)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | 19,269 | 47,031 | 42,721 | 53,152
Income Tax Expense (Benefit) | 4,547 | 2,827 | 9,834 | 5,246
Net income | 14,722 | 44,204 | 32,887 | 47,906
Foreign Currency Translation |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning of Period |  |  | (86,178) | (93,970)
Other comprehensive income (loss) before reclassifications |  |  | (8,905) | 2,674
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | 0 | 0
Net other comprehensive income (loss) - current period |  |  | (8,905) | 2,674
End of Period | (95,083) | (91,296) | (95,083) | (91,296)
Gain (Loss) on Derivative Financial Instruments |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning of Period |  |  | 459 | 863
Other comprehensive income (loss) before reclassifications |  |  | (829) | 335
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | (361) | (373)
Net other comprehensive income (loss) - current period |  |  | (1,190) | (38)
End of Period | (731) | 825 | (731) | 825
Pension & Other Post-retirement Benefit Adjustment |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning of Period |  |  | (90,950) | (90,127)
Other comprehensive income (loss) before reclassifications |  |  | 0 | 0
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | 5,223 | 3,900
Net other comprehensive income (loss) - current period |  |  | 5,223 | 3,900
End of Period | (85,727) | (86,227) | (85,727) | (86,227)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gain (Loss) on Derivative Financial Instruments |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | 350 | 337 | 556 | 585
Income Tax Expense (Benefit) | 142 | 125 | 195 | 212
Net income | 208 | 212 | 361 | 373
Reclassification out of Accumulated Other Comprehensive Income [Member] | Pension & Other Post-retirement Benefit Adjustment |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Income Tax Expense (Benefit) | (761) | (1,111) | (1,523) | (2,222)
Net income | (2,611) | (1,950) | (5,223) | (3,900)
Amortization Of Prior Service Costs And Net Gains Loss | (3,372) | (3,061) | (6,746) | (6,122)
Aluminum Futures Contracts [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Gain (Loss) on Derivative Financial Instruments |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Cost of goods sold | 712 | 321 | (944) | (554)
Selling, General and Administrative Expenses [Member] | Foreign Currency Forward Contracts [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Gain (Loss) on Derivative Financial Instruments |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Selling, general and administrative | (378) |  | (419) |
Cost of Sales [Member] | Foreign Currency Forward Contracts [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Gain (Loss) on Derivative Financial Instruments |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Cost of goods sold | $ 16 | $ 16 | $ 31 | $ 31

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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=84228862&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=84228862&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=84228862&loc=SL7669686-108580 + Details
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- Definition Total costs related to goods produced and sold during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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