Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Dec. 31, 2019

Dec. 31, 2018

Accounting Policies [Abstract]

Schedule Of Diluted Earnings Per Share Computed Using Weighted Average Common And Potentially Dilutive Common Equivalent Shares Outstanding

Diluted earnings per share is computed using the weighted average common and potentially dilutive common equivalent shares outstanding, determined as follows:

	2020	2019	2018
Weighted average shares outstanding used to compute basic earnings per share	33,402,147	33,236,115	33,067,800
Incremental shares attributable to stock options and restricted stock	—	22,022	24,674
Shares used to compute diluted earnings per share	33,402,147	33,258,137	33,092,474

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table summarizes the after-tax changes in accumulated other comprehensive income (loss) for the year ended December 31, 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	(8,781)		(3,285)		(12,197)		(24,263)
Amounts reclassified from accumulated other comprehensive income (loss)	25,295		6,856		11,359		43,510
Net other comprehensive income (loss) - current period	16,514		3,571		(838)		19,247
Ending balance, December 31, 2020	$	(84,149)	$	2,264	$	(96,519)	$	(178,404)

The following table summarizes the after-tax changes in accumulated other comprehensive income (loss) for the year ended December 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	(3,723)		(2,686)		(22,508)		(28,917)
Amounts reclassified from accumulated other comprehensive income (loss)	—		2,980		8,273		11,253
Net other comprehensive income (loss) - current period	(3,723)		294		(14,235)		(17,664)
Ending balance, December 31, 2019	$	(100,663)	$	(1,307)	$	(95,681)	$	(197,651)

Reclassification out of Accumulated Other Comprehensive Income

Reclassifications of balances out of accumulated other comprehensive income (loss) into net income during 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	$	(2,717)	Cost of goods sold
Foreign currency forward contracts, before taxes	(6,069)		Selling, general and administrative
Foreign currency forward contracts, before taxes	62		Cost of goods sold
Total, before taxes	(8,724)
Income tax expense (benefit)	(1,868)		Income tax expense (benefit)
Total, net of tax	$	(6,856)
Amortization of pension and other post-retirement benefits:
Actuarial gain (loss) and prior service costs, before taxes	$	(15,296)	(a)
Income tax expense (benefit)	(3,937)		Income tax expense (benefit)
Total, net of tax	$	(11,359)
Reclassification adjustment of foreign currency translation loss included in income:
Realized loss on foreign currency translation adjustments related to the sale of Personal Care Films	$	(25,295)	Income (loss) from discontinued operations, net of tax
(a) This component of accumulated other comprehensive income is included in the computation of net periodic pension cost (see Note 13 for additional detail).

Reclassifications of balances out of accumulated other comprehensive income (loss) into net income during 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
Gain (loss) on derivative financial instruments:
Aluminum future contracts, before taxes	$	(2,736)	Cost of goods sold
Foreign currency forward contracts, before taxes	(904)		Selling, general and administrative
Foreign currency forward contracts, before taxes	62		Cost of goods sold
Total, before taxes	(3,578)
Income tax expense (benefit)	(598)		Income tax expense (benefit)
Total, net of tax	$	(2,980)
Amortization of pension and other post-retirement benefits:
Actuarial gain (loss) and prior service costs, before taxes	$	(10,632)	(a)
Income tax expense (benefit)	(2,359)		Income tax expense (benefit)
Total, net of tax	$	(8,273)
(a) This component of accumulated other comprehensive income is included in the computation of net periodic pension cost (see Note 13 for additional detail).

Reclassifications of balances out of accumulated other comprehensive income (loss) into net income during 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
Gain (loss) on derivative financial instruments:
Aluminum future contracts, before taxes	$	1,069	Cost of goods sold
Foreign currency forward contracts, before taxes	(1,796)		Selling, general and administrative
Foreign currency forward contracts, before taxes	62		Cost of goods sold
Total, before taxes	(665)
Income tax expense (benefit)	253		Income tax expense (benefit)
Total, net of tax	$	(918)
Amortization of pension and other post-retirement benefits:
Actuarial gain (loss) and prior service costs, before taxes	$	(13,650)	(a)
Income tax expense (benefit)	(3,028)		Income tax expense (benefit)
Total, net of tax	$	(10,622)
(a) This component of accumulated other comprehensive income is included in the computation of net periodic pension cost (see Note 13 for additional detail).