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Accumulated Other Comprehensive Income (Loss) (Tables) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
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 six months ended June 30, 2021:
(In thousands) | Foreign currency translation adjustment |  | Gain (loss) on derivative financial instruments |  | Pension and other post-retirement benefit adjustments |  | Total
Beginning balance, January 1, 2021 | $ | (84,149) |  |  | $ | 2,264 |  |  | $ | (96,519) |  |  | $ | (178,404) |
Other comprehensive income (loss) before reclassifications | 1,345 |  |  | 2,724 |  |  | — |  |  | 4,069 |
Amounts reclassified from accumulated other comprehensive income (loss) | — |  |  | (1,492) |  |  | 6,637 |  |  | 5,145 |
Net other comprehensive income (loss) - current period | 1,345 |  |  | 1,232 |  |  | 6,637 |  |  | 9,214 |
Ending balance, June 30, 2021 | $ | (82,804) |  |  | $ | 3,496 |  |  | $ | (89,882) |  |  | $ | (169,190) |
| The following table summarizes the after-tax changes in accumulated other comprehensive income (loss) for the six months ended June 30, 2020:
(In thousands) | Foreign currency translation adjustment |  | Gain (loss) on derivative financial instruments |  | Pension and other post-retirement benefit adjustments |  | Total
Beginning balance, January 1, 2020 | $ | (100,663) |  |  | $ | (1,307) |  |  | $ | (95,681) |  |  | $ | (197,651) |
Other comprehensive income (loss) before reclassifications | (12,003) |  |  | (6,242) |  |  | — |  |  | (18,245) |
Amounts reclassified from accumulated other comprehensive income (loss) | — |  |  | 3,725 |  |  | 5,862 |  |  | 9,587 |
Net other comprehensive income (loss) - current period | (12,003) |  |  | (2,517) |  |  | 5,862 |  |  | (8,658) |
Ending balance, June 30, 2020 | $ | (112,666) |  |  | $ | (3,824) |  |  | $ | (89,819) |  |  | $ | (206,309) |
Schedule Of Reclassifications Of Balances Out Of Accumulated Other Comprehensive Income (Loss) Into Net Income | Reclassifications of balances out of accumulated other comprehensive income (loss) into net income (loss) for the three months ended June 30, 2021 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 | $ | 1,372 |  |  | Cost of sales
Foreign currency forward contracts, before taxes | (147) |  |  | Selling, general & administrative
Foreign currency forward contracts, before taxes | 16 |  |  | Cost of sales
Total, before taxes | 1,241 |  |  |
Income tax expense (benefit) | 257 |  |  | Income tax expense (benefit)
Total, net of tax | $ | 984 |  |  |
Amortization of pension and other post-retirement benefits: |  |  |
Actuarial gain (loss) and prior service costs, before taxes | $ | (4,240) |  |  | (a)
Income tax expense (benefit) | (922) |  |  | Income tax expense (benefit)
Total, net of tax | $ | (3,318) |  |  |
(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 (loss) for the six months ended June 30, 2021 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 | $ | 2,012 |  |  | Cost of sales
Foreign currency forward contracts, before taxes | (149) |  |  | Selling, general & administrative
Foreign currency forward contracts, before taxes | 33 |  |  | Cost of sales
Total, before taxes | 1,896 |  |  |
Income tax expense (benefit) | 404 |  |  | Income tax expense (benefit)
Total, net of tax | $ | 1,492 |  |  |
Amortization of pension and other post-retirement benefits: |  |  |
Actuarial gain (loss) and prior service costs, before taxes | $ | (8,483) |  |  | (a)
Income tax expense (benefit) | (1,846) |  |  | Income tax expense (benefit)
Total, net of tax | $ | (6,637) |  |  |
(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 June 30, 2020 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 | $ | (1,551) |  |  | Cost of sales
Foreign currency forward contracts, before taxes | (1,798) |  |  | Selling, general & administrative
Foreign currency forward contracts, before taxes | 16 |  |  | Cost of sales
Total, before taxes | (3,333) |  |  |
Income tax expense (benefit) | (721) |  |  | Income tax expense (benefit)
Total, net of tax | $ | (2,612) |  |  |
Amortization of pension and other post-retirement benefits: |  |  |
Actuarial gain (loss) and prior service costs, before taxes | $ | (3,766) |  |  | (a)
Income tax expense (benefit) | (835) |  |  | Income tax expense (benefit)
Total, net of tax | $ | (2,931) |  |  |
(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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