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Accumulated Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |
Schedule Of After-Tax Changes In Accumulated Other Comprehensive Income (Loss) | The following table summarizes the after-tax changes in accumulated other comprehensive income (loss) for the three months ended March 31, 2019:
(In thousands) | Foreign currency translation adjustment |  | Gain (loss) on derivative financial instruments |  | Pension and other post-retirement benefit adjustments |  | Total
Beginning balance, January 1, 2019 | $ | (96,940 | ) |  | $ | (1,601 | ) |  | $ | (81,446 | ) |  | $ | (179,987 | )
Other comprehensive income (loss) before reclassifications | (790 | ) |  | (1,011 | ) |  | — |  |  | (1,801 | )
Amounts reclassified from accumulated other comprehensive income (loss) | — |  |  | 658 |  |  | 2,079 |  |  | 2,737 |
Net other comprehensive income (loss) - current period | (790 | ) |  | (353 | ) |  | 2,079 |  |  | 936 |
Ending balance, March 31, 2019 | $ | (97,730 | ) |  | $ | (1,954 | ) |  | $ | (79,367 | ) |  | $ | (179,051 | )
| The following table summarizes the after-tax changes in accumulated other comprehensive income (loss) for the three months ended March 31, 2018:
(In Thousands) | Foreign currency translation adjustment |  | Gain (loss) on derivative financial instruments |  | Pension and other post-retirement benefit adjustments |  | Total
Beginning balance, January 1, 2018 | $ | (86,178 | ) |  | $ | 459 |  |  | $ | (90,950 | ) |  | $ | (176,669 | )
Other comprehensive income (loss) before reclassifications | 1,906 |  |  | (132 | ) |  | — |  |  | 1,774 |
Amounts reclassified from accumulated other comprehensive income (loss) | — |  |  | (153 | ) |  | 2,612 |  |  | 2,459 |
Net other comprehensive income (loss) - current period | 1,906 |  |  | (285 | ) |  | 2,612 |  |  | 4,233 |
Ending balance, March 31, 2018 | $ | (84,272 | ) |  | $ | 174 |  |  | $ | (88,338 | ) |  | $ | (172,436 | )
Schedule Of Reclassifications Of Balances Out Of Accumulated Other Comprehensive Income (Loss) Into Net Income |
(In Thousands) | Amount reclassified from other comprehensive income (loss) |  | Location of gain (loss) reclassified from accumulated other comprehensive income (loss) to net income (loss)
Gain (loss) on derivative financial instruments: |  |  |
Aluminum future contracts, before taxes | $ | (617 | ) |  | Cost of sales
Foreign currency forward contracts, before taxes | (191 | ) |  | Selling, general & administrative
Foreign currency forward contracts, before taxes | 15 |  |  | Cost of sales
Total, before taxes | (793 | ) |  |
Income tax expense (benefit) | (135 | ) |  | Income taxes
Total, net of tax | $ | (658 | ) |  |
Amortization of pension and other post-retirement benefits: |  |  |
Actuarial gain (loss) and prior service costs, before taxes | $ | (2,671 | ) |  | (a)
Income tax expense (benefit) | (592 | ) |  | Income taxes
Total, net of tax | $ | (2,079 | ) |  |
(a) | This component of accumulated other comprehensive income (loss) is included in the computation of net periodic pension cost (see Note 9 for additional detail).
| Reclassifications of balances out of accumulated other comprehensive income (loss) into net income for the three months ended March 31, 2018 are summarized as follows:
(In Thousands) | Amount reclassified from other comprehensive income (loss) |  | Location of gain (loss) reclassified from accumulated other comprehensive income (loss) to net income (loss)
Gain (loss) on derivative financial instruments: |  |  |
Aluminum future contracts, before taxes | $ | 232 |  |  | Cost of sales
Foreign currency forward contracts, before taxes | (41 | ) |  | Selling, general & administrative
Foreign currency forward contracts, before taxes | 15 |  |  | Cost of sales
Total, before taxes | 206 |  |  |
Income tax expense (benefit) | 53 |  |  | Income taxes
Total, net of tax | $ | 153 |  |  |
Amortization of pension and other post-retirement benefits: |  |  |
Actuarial gain (loss) and prior service costs, before taxes | $ | (3,374 | ) |  | (a)
Income tax expense (benefit) | (762 | ) |  | Income taxes
Total, net of tax | $ | (2,612 | ) |  |
(a) | This component of accumulated other comprehensive income (loss) is included in the computation of net periodic pension cost (see Note 9 for additional detail).

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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