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Accumulated Other Comprehensive Income (Loss)
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Comprehensive Income (Loss) Note [Text Block]  
The following table summarizes the after-tax changes in accumulated other comprehensive income (loss) for the nine months ended September 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
(11,076)(5,860)— (16,936)
Amounts reclassified from accumulated other comprehensive income (loss)
— 5,556 8,793 14,349 
Net other comprehensive income (loss) - current period
(11,076)(304)8,793 (2,587)
Ending balance, September 30, 2020$(111,739)$(1,611)$(86,888)$(200,238)
The following table summarizes the after-tax changes in accumulated other comprehensive income (loss) for the nine months ended September 30, 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(6,291)(3,065)— (9,356)
Amounts reclassified from accumulated other comprehensive income (loss)— 2,209 6,236 8,445 
Net other comprehensive income (loss) - current period(6,291)(856)6,236 (911)
Ending balance, September 30, 2019$(103,231)$(2,457)$(75,210)$(180,898)

Reclassifications of balances out of accumulated other comprehensive income (loss) into net income (loss) for the three months ended September 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$(575)Cost of sales
Foreign currency forward contracts, before taxes(1,767)Selling, general & administrative
Foreign currency forward contracts, before taxes15 Cost of sales
Total, before taxes(2,327)
Income tax expense (benefit)(496)Income tax expense (benefit)
Total, net of tax$(1,831)
Amortization of pension and other post-retirement benefits:
Actuarial gain (loss) and prior service costs, before taxes$(3,767)(a)
Income tax expense (benefit)(836)Income tax expense (benefit)
Total, net of tax$(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).
Reclassifications of balances out of accumulated other comprehensive income (loss) into net income (loss) for the nine months ended September 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$(2,766)Cost of sales
Foreign currency forward contracts, before taxes(4,359)Selling, general & administrative
Foreign currency forward contracts, before taxes46 Cost of sales
Total, before taxes(7,079)
Income tax expense (benefit)(1,523)Income tax expense (benefit)
Total, net of tax$(5,556)
Amortization of pension and other post-retirement benefits:
Actuarial gain (loss) and prior service costs, before taxes$(11,300)(a)
Income tax expense (benefit)(2,507)Income tax expense (benefit)
Total, net of tax$(8,793)
(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 September 30, 2019 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$(816)Cost of sales
Foreign currency forward contracts, before taxes(101)Selling, general & administrative
Foreign currency forward contracts, before taxes15 Cost of sales
Total, before taxes(902)
Income tax expense (benefit)(179)Income tax expense (benefit)
Total, net of tax$(723)
Amortization of pension and other post-retirement benefits:
Actuarial gain (loss) and prior service costs, before taxes$(2,672)(a)
Income tax expense (benefit)(593)Income tax expense (benefit)
Total, net of tax$(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 nine months ended September 30, 2019 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$(2,039)Cost of sales
Foreign currency forward contracts, before taxes(661)Selling, general & administrative
Foreign currency forward contracts, before taxes46 Cost of sales
Total, before taxes(2,654)
Income tax expense (benefit)(445)Income tax expense (benefit)
Total, net of tax$(2,209)
Amortization of pension and other post-retirement benefits:
Actuarial gain (loss) and prior service costs, before taxes$(8,014)(a)
Income tax expense (benefit)(1,778)Income tax expense (benefit)
Total, net of tax$(6,236)
(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).
Cost of goods sold
The following table summarizes the after-tax changes in accumulated other comprehensive income (loss) for the nine months ended September 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
(11,076)(5,860)— (16,936)
Amounts reclassified from accumulated other comprehensive income (loss)
— 5,556 8,793 14,349 
Net other comprehensive income (loss) - current period
(11,076)(304)8,793 (2,587)
Ending balance, September 30, 2020$(111,739)$(1,611)$(86,888)$(200,238)
The following table summarizes the after-tax changes in accumulated other comprehensive income (loss) for the nine months ended September 30, 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(6,291)(3,065)— (9,356)
Amounts reclassified from accumulated other comprehensive income (loss)— 2,209 6,236 8,445 
Net other comprehensive income (loss) - current period(6,291)(856)6,236 (911)
Ending balance, September 30, 2019$(103,231)$(2,457)$(75,210)$(180,898)