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Accumulated Other Comprehensive Income (Loss)
 3 Months Ended
Mar. 31, 2017
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 three months ended March 31, 2017:
(In Thousands)
Foreign
currency
translation
adjustment
 
Gain (loss) on
derivative
financial
instruments
 
Pension and
other
post-retirement
benefit
adjustments
 
Total
Beginning balance, January 1, 2017
$
(93,970
)
 
$
863

 
$
(90,127
)
 
$
(183,234
)
Other comprehensive income (loss) before reclassifications
4,632

 
237

 
—

 
4,869

Amounts reclassified from accumulated other comprehensive income (loss)
—

 
137

 
1,950

 
2,087

Net other comprehensive income (loss) - current period
4,632

 
374

 
1,950

 
6,956

Ending balance, March 31, 2017
$
(89,338
)
 
$
1,237

 
$
(88,177
)
 
$
(176,278
)

The following table summarizes the after-tax changes in accumulated other comprehensive income (loss) for the three months ended March 31, 2016:
(In Thousands)
Foreign
currency
translation
adjustment
 
Gain (loss) on
derivative
financial
instruments
 
Pension and
other
post-retirement
benefit
adjustments
 
Total
Beginning balance, January 1, 2016
$
(112,807
)
 
$
(373
)
 
$
(95,539
)
 
$
(208,719
)
Other comprehensive income (loss) before reclassifications
12,579

 
(342
)
 
—

 
12,237

Amounts reclassified from accumulated other comprehensive income (loss)
—

 
604

 
2,482

 
3,086

Net other comprehensive income (loss) - current period
12,579

 
262

 
2,482

 
15,323

Ending balance, March 31, 2016
$
(100,228
)
 
$
(111
)
 
$
(93,057
)
 
$
(193,396
)


Reclassifications of balances out of accumulated other comprehensive income (loss) into net income (loss) for the three months ended March 31, 2017 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
$
(233
)
 
Cost of sales
Foreign currency forward contracts, before taxes
15

 
Cost of sales
Total, before taxes
(218
)
 
 
Income tax expense (benefit)
(81
)
 
Income taxes
Total, net of tax
$
(137
)
 
 
Amortization of pension and other post-retirement benefits:
 
 
 
Actuarial gain (loss) and prior service costs, before taxes
$
(3,061
)
 
(a)
Income tax expense (benefit)
(1,111
)
 
Income taxes
Total, net of tax
$
(1,950
)
 
 
(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 three months ended March 31, 2016 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
$
(984
)
 
Cost of sales
Foreign currency forward contracts, before taxes
15

 
Cost of sales
Total, before taxes
(969
)
 
 
Income tax expense (benefit)
(365
)
 
Income taxes
Total, net of tax
$
(604
)
 
 
Amortization of pension and other post-retirement benefits:
 
 
 
Actuarial gain (loss) and prior service costs, before taxes
$
(3,337
)
 
(a)
Income tax expense (benefit)
(855
)
 
Income taxes
Total, net of tax
$
(2,482
)
 
 
(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 three months ended March 31, 2017:
(In Thousands)
Foreign
currency
translation
adjustment
 
Gain (loss) on
derivative
financial
instruments
 
Pension and
other
post-retirement
benefit
adjustments
 
Total
Beginning balance, January 1, 2017
$
(93,970
)
 
$
863

 
$
(90,127
)
 
$
(183,234
)
Other comprehensive income (loss) before reclassifications
4,632

 
237

 
—

 
4,869

Amounts reclassified from accumulated other comprehensive income (loss)
—

 
137

 
1,950

 
2,087

Net other comprehensive income (loss) - current period
4,632

 
374

 
1,950

 
6,956

Ending balance, March 31, 2017
$
(89,338
)
 
$
1,237

 
$
(88,177
)
 
$
(176,278
)

The following table summarizes the after-tax changes in accumulated other comprehensive income (loss) for the three months ended March 31, 2016:
(In Thousands)
Foreign
currency
translation
adjustment
 
Gain (loss) on
derivative
financial
instruments
 
Pension and
other
post-retirement
benefit
adjustments
 
Total
Beginning balance, January 1, 2016
$
(112,807
)
 
$
(373
)
 
$
(95,539
)
 
$
(208,719
)
Other comprehensive income (loss) before reclassifications
12,579

 
(342
)
 
—

 
12,237

Amounts reclassified from accumulated other comprehensive income (loss)
—

 
604

 
2,482

 
3,086

Net other comprehensive income (loss) - current period
12,579

 
262

 
2,482

 
15,323

Ending balance, March 31, 2016
$
(100,228
)
 
$
(111
)
 
$
(93,057
)
 
$
(193,396
)