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Accumulated Other Comprehensive Income (Loss)
 6 Months Ended
Jun. 30, 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 six months ended June 30, 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
2,674

 
335

 
—

 
3,009

Amounts reclassified from accumulated other comprehensive income (loss)
—

 
(373
)
 
3,900

 
3,527

Net other comprehensive income (loss) - current period
2,674

 
(38
)
 
3,900

 
6,536

Ending balance, June 30, 2017
$
(91,296
)
 
$
825

 
$
(86,227
)
 
$
(176,698
)

The following table summarizes the after-tax changes in accumulated other comprehensive income (loss) for the six months ended June 30, 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
23,648

 
86

 
—

 
23,734

Amounts reclassified from accumulated other comprehensive income (loss)
—

 
931

 
4,607

 
5,538

Net other comprehensive income (loss) - current period
23,648

 
1,017

 
4,607

 
29,272

Ending balance, June 30, 2016
$
(89,159
)
 
$
644

 
$
(90,932
)
 
$
(179,447
)


Reclassifications of balances out of accumulated other comprehensive income (loss) into net income (loss) for the three months ended June 30, 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
$
321

 
Cost of sales
Foreign currency forward contracts, before taxes
16

 
Cost of sales
Total, before taxes
337

 
 
Income tax expense (benefit)
125

 
Income taxes
Total, net of tax
$
212

 
 
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 six months ended June 30, 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
$
554

 
Cost of sales
Foreign currency forward contracts, before taxes
31

 
Cost of sales
Total, before taxes
585

 
 
Income tax expense (benefit)
212

 
Income taxes
Total, net of tax
$
373

 
 
Amortization of pension and other post-retirement benefits:
 
 
 
Actuarial gain (loss) and prior service costs, before taxes
$
(6,122
)
 
(a)
Income tax expense (benefit)
(2,222
)
 
Income taxes
Total, net of tax
$
(3,900
)
 
 
(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 June 30, 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
$
(525
)
 
Cost of sales
Foreign currency forward contracts, before taxes
16

 
Cost of sales
Total, before taxes
(509
)
 
 
Income tax expense (benefit)
(182
)
 
Income taxes
Total, net of tax
$
(327
)
 
 
Amortization of pension and other post-retirement benefits:
 
 
 
Actuarial gain (loss) and prior service costs, before taxes
$
(3,336
)
 
(a)
Income tax expense (benefit)
(1,211
)
 
Income taxes
Total, net of tax
$
(2,125
)
 
 
(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, 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
$
(1,509
)
 
Cost of sales
Foreign currency forward contracts, before taxes
31

 
Cost of sales
Total, before taxes
(1,478
)
 
 
Income tax expense (benefit)
(547
)
 
Income taxes
Total, net of tax
$
(931
)
 
 
Amortization of pension and other post-retirement benefits:
 
 
 
Actuarial gain (loss) and prior service costs, before taxes
$
(6,673
)
 
(a)
Income tax expense (benefit)
(2,066
)
 
Income taxes
Total, net of tax
$
(4,607
)
 
 
(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 six months ended June 30, 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
2,674

 
335

 
—

 
3,009

Amounts reclassified from accumulated other comprehensive income (loss)
—

 
(373
)
 
3,900

 
3,527

Net other comprehensive income (loss) - current period
2,674

 
(38
)
 
3,900

 
6,536

Ending balance, June 30, 2017
$
(91,296
)
 
$
825

 
$
(86,227
)
 
$
(176,698
)

The following table summarizes the after-tax changes in accumulated other comprehensive income (loss) for the six months ended June 30, 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
23,648

 
86

 
—

 
23,734

Amounts reclassified from accumulated other comprehensive income (loss)
—

 
931

 
4,607

 
5,538

Net other comprehensive income (loss) - current period
23,648

 
1,017

 
4,607

 
29,272

Ending balance, June 30, 2016
$
(89,159
)
 
$
644

 
$
(90,932
)
 
$
(179,447
)