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Document And Entity Information - shares	9 Months Ended
Document And Entity Information - shares	Sep. 30, 2018	Oct. 25, 2018
Document And Entity Information [Abstract]
Entity Registrant Name	TREDEGAR CORP
Entity Central Index Key	0000850429
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Entity Emerging Growth Company	false
Entity Small Business	false
Document Period End Date	Sep. 30, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus (Q1,Q2,Q3,FY)	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		33,176,024

Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 36,776	$ 36,491
Accounts and other receivables, net of allowance for doubtful accounts and sales returns of $5,764 in 2018 and $3,304 in 2017	125,368	120,135
Income Taxes Receivable, Current	5,886	32,080
Inventories	92,800	86,907
Prepaid expenses and other	7,754	8,224
Total current assets	268,584	283,837
Property, plant and equipment, at cost	777,834	770,892
Less accumulated depreciation	(559,551)	(547,801)
Net property, plant and equipment	218,283	223,091
Investment in kaleo	65,900	54,000
Intangible Assets, Net (Excluding Goodwill)	37,142	40,552
Goodwill	81,404	128,208
Deferred Tax Assets, Net, Noncurrent	11,357	16,636
Other assets	8,266	9,419
Total assets	690,936	755,743
Current liabilities:
Accounts payable	128,034	108,391
Accrued expenses	45,138	42,433
Total current liabilities	173,172	150,824
Long-term debt	91,000	152,000
Liability, Pension and Other Postretirement and Postemployment Benefits, Noncurrent	89,227	98,837
Deferred income taxes	0	2,123
Other noncurrent liabilities	8,766	8,179
Total liabilities	362,165	411,963
Commitments and contingencies (Notes 1 and 13)
Shareholders’ equity:
Common stock, no par value (issued and outstanding - 33,176,024 shares at September 30, 2018 and 33,017,422 shares at December 31, 2017)	38,531	34,747
Common stock held in trust for savings restoration plan (72,510 shares at September 30, 2018 and 71,309 shares at December 31, 2017)	(1,552)	(1,528)
Foreign currency translation adjustment	(97,749)	(86,178)
Gain (loss) on derivative financial instruments	(2,432)	459
Pension and other post-retirement benefit adjustments	(83,024)	(90,950)
Retained earnings	474,997	487,230
Total shareholders’ equity	328,771	343,780
Total liabilities and shareholders’ equity	$ 690,936	$ 755,743

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Accounts and other receivables, allowance for doubtful accounts and sales returns	$ 5,764	$ 3,304
Common stock, no par value
Common stock, shares issued	33,176,024	33,017,422
Common stock, shares outstanding	33,176,024	33,017,422
Common Stock, Shares Held in Employee Trust, Shares	72,510	71,309

Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Gross Sales	$ 267,294	$ 247,121	$ 789,765	$ 715,494
Revenues and other items:
Other income (expense), net	(2,557)	34	11,532	38,055
Total revenues, net of other expenses	264,737	247,155	801,297	753,549
Costs and expenses:
Selling, general and administrative	20,676	20,718	63,452	61,852
Research and development	5,150	4,455	14,107	14,028
Amortization of identifiable intangibles	1,022	1,658	3,076	4,550
Accrued pension and post-retirement benefits	2,653	2,381	7,809	7,645
Interest expense	1,318	1,757	4,539	4,579
Asset impairments and costs associated with exit and disposal activities, net of adjustments	1,209	361	1,799	653
Goodwill, Impairment Loss	46,792	0	46,792	0
Total	305,636	234,459	799,476	687,702
Income (loss) before income taxes	(40,899)	12,696	1,821	65,847
Income taxes from continuing operations	(6,699)	4,422	3,135	9,667
Net income (loss)	$ (34,200)	$ 8,274	$ (1,314)	$ 56,180
Basic
Basic	$ (1.03)	$ 0.25	$ (0.04)	$ 1.71
Diluted
Diluted	$ (1.03)	$ 0.25	$ (0.04)	$ 1.70
Shares used to compute earnings per share:
Basic	33,110	32,954	33,056	32,945
Diluted	33,110	32,954	33,056	32,952
Dividends per share	$ 0.11	$ 0.11	$ 0.33	$ 0.33
Product [Member]
Costs and expenses:
Freight	$ 217,378	$ 194,508	$ 631,235	$ 569,555
Shipping and Handling [Member]
Costs and expenses:
Freight	$ 9,438	$ 8,621	$ 26,667	$ 24,840

Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	$ 0	$ 251	$ 0	$ 481
Net income (loss)	(34,200)	8,274	(1,314)	56,180
Other comprehensive income (loss):
Foreign currency translation adjustment	(2,666)	7,143	(11,571)	9,817
Derivative financial instruments adjustment	(1,701)	326	(2,891)	288
Amortization of prior service costs and net gains or losses	2,703	1,854	7,926	5,754
Other comprehensive income (loss)	(1,664)	9,323	(6,536)	15,859
Comprehensive income (loss)	(35,864)	17,597	(7,850)	72,039
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax	(336)	186	(316)	162
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax	$ 789	$ 1,057	$ 2,312	$ 3,279

Consolidated Statements Of Comprehensive Income (Loss) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Foreign currency translation adjustment, tax (benefit)	$ 0	$ 251	$ 0	$ 481
Derivative financial instruments adjustment, tax (benefit)	(336)	186	(316)	162
Amortization of prior service costs and net gains or losses, tax	$ 789	$ 1,057	$ 2,312	$ 3,279

Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net income (loss)	$ (1,314)	$ 56,180
Adjustments for noncash items:
Depreciation	22,272	25,072
Amortization of identifiable intangibles	3,076	4,550
Goodwill, Impairment Loss	46,792	0
Payment for Pension and Other Postretirement Benefits	(7,182)	(4,642)
Deferred income taxes	1,152	(104)
Accrued pension and post-retirement benefits	7,809	7,645
(Gain)/loss on investment in kaléo accounted for under the fair value method	(11,900)	(24,800)
(Gain)/loss on asset impairments and divestitures	185	50
Gain (Loss) on Disposition of Assets	(86)	412
Changes in assets and liabilities, net of effects of acquisitions and divestitures:
Accounts and other receivables	(13,020)	(16,925)
Inventories	(9,204)	(4,220)
Income taxes recoverable/payable	25,912	(603)
Prepaid expenses and other	(1,655)	129
Accounts payable and accrued expenses	29,452	8,674
Other, net	705	2,093
Net cash provided by operating activities	92,994	53,511
Cash flows from investing activities:
Capital expenditures	(25,078)	(37,245)
Acquisition, net of cash acquired	0	(87,110)
Payment for Contingent Consideration Liability, Investing Activities	4,250
Escrow Deposit Disbursements Related to Property Acquisition		0
Proceeds from the sale of assets and other	1,108	121
Net cash used in investing activities	(19,720)	(124,234)
Cash flows from financing activities:
Borrowings	34,750	173,250
Debt principal payments	(95,750)	(91,250)
Dividends paid	(10,943)	(10,901)
Proceeds from exercise of stock options and other	1,004	695
Net cash provided by (used in) financing activities	(70,939)	71,794
Effect of exchange rate changes on cash	(2,050)	1,268
Increase (decrease) in cash and cash equivalents	285	2,339
Cash and cash equivalents at beginning of period	36,491	29,511
Cash and cash equivalents at end of period	$ 36,776	$ 31,850

Consolidated Statements Of Shareholders' Equity - 9 months ended Sep. 30, 2018 - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings	Trust for Savings Restoration Plan	Foreign Currency Translation	Gain (Loss) on Derivative Financial Instruments	Pension & Other Post-retirement Benefit Adjustment
Beginning Balance at Dec. 31, 2017	$ 343,780	$ 34,747	$ 487,230	$ (1,528)	$ (86,178)	$ 459	$ (90,950)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(1,314)		(1,314)
Foreign currency translation adjustment (net of tax of $0)	(11,571)				(11,571)
Derivative financial instruments adjustment (net of tax benefit of $316)	(2,891)					(2,891)
Amortization of prior service costs and net gains or losses (net of tax of $2,312)	7,926						7,926
Cash dividends declared ($0.33 per share)	(10,943)		(10,943)
Stock-based compensation expense	2,780	2,780
Issued upon exercise of stock options & other	1,004	1,004
Tredegar common stock purchased by trust for savings restoration plan			24	(24)
Ending Balance at Sep. 30, 2018	$ 328,771	$ 38,531	$ 474,997	$ (1,552)	$ (97,749)	$ (2,432)	$ (83,024)

Consolidated Statements Of Shareholders' Equity (Parenthetical) $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($) $ / shares
Statement of Stockholders' Equity [Abstract]
Foreign currency translation adjustment, tax (benefit)	$ 0
Derivative financial instruments adjustment, tax (benefit)	(316)
Amortization of prior service costs and net gains or losses, tax	$ 2,312
Cash dividends declared, per share \| $ / shares	$ 0.33

Basis Of Presentation

9 Months Ended

Sep. 30, 2018

Basis Of Presentation [Abstract]

Basis Of Presentation

In the opinion of management, the accompanying consolidated financial statements of Tredegar Corporation and its subsidiaries (“Tredegar,” “the Company,” “we,” “us” or “our”) contain all adjustments necessary to state fairly, in all material respects, Tredegar’s consolidated financial position as of September 30, 2018, the consolidated results of operations for the three and nine months ended September 30, 2018 and 2017, the consolidated cash flows for the nine months ended September 30, 2018 and 2017, and the consolidated changes in shareholders’ equity for the nine months ended September 30, 2018. All such adjustments, unless otherwise detailed in the notes to the consolidated interim financial statements, are deemed to be of a normal, recurring nature.

The Company operates on a calendar fiscal year except for the Aluminum Extrusions segment, which operates on a 52/53-week fiscal year basis. As such, the fiscal third quarter for 2018 and 2017 for this segment references 13-week periods ended September 23, 2018 and September 24, 2017, respectively. The Company does not believe the impact of reporting the results of this segment as stated above is material to the consolidated financial results.

The financial position data as of December 31, 2017 that is included herein was derived from the audited consolidated financial statements provided in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017 (“2017 Form 10-K”) but does not include all disclosures required by United States generally accepted accounting principles (“GAAP”). These financial statements should be read in conjunction with the consolidated financial statements and related notes included in the 2017 Form 10-K. The results of operations for the three and nine months ended September 30, 2018, are not necessarily indicative of the results to be expected for the full year. Certain prior year balances have been reclassified to conform with current year presentation (see Note 14 for additional detail).

Revenue Recognition. Revenue from the sale of products, which is shown net of estimated sales returns and allowances, is recognized at a point in time when control has passed to the customer. Control passes to the customer generally when the customer takes physical possession or when title passes if defined separately in the sales agreement. Amounts billed to customers related to freight are classified as sales in the accompanying consolidated statements of income. The cost of freight is classified as a separate line in the accompanying consolidated statements of income. Taxes assessed by a governmental authority that are both imposed on and concurrent with a specific revenue-producing transaction between Tredegar and its customers (such as value-added taxes) are accounted for on a net basis and therefore excluded from revenues. See Note 11 for disaggregation of revenue by segment and type.

As of September 30, 2018 and December 31, 2017, accounts receivable and other receivables, net, were $125.4 million and $120.1 million, respectively, made up of the following:



	September 30,			December 31,
(In thousands)	2018			2017
Customer receivables	$	125,985		$	113,556
Other accounts and notes receivable	5,147			9,883
Total accounts and other receivables	131,132			123,439
Less: Allowance for bad debts and sales returns	(5,764		)	(3,304		)
Total accounts and other receivables, net	$	125,368		$	120,135

For the three and nine months ended September 30, 2018, the Company had no material bad-debt expense and there were no material contract assets, contract liabilities or deferred contract costs recorded on the Consolidated Balance Sheet as of September 30, 2018. Payment terms start from the date of satisfaction of the performance obligation and vary from COD (cash on delivery) to 120 days. The Company’s contracts generally include one performance obligation, which is satisfied at a point in time.

For the three months and nine months ended September 30, 2018, revenue recognized from performance obligations related to prior periods (for example, changes in transaction price), was not material.

Revenue expected to be recognized in any future period related to remaining performance obligations, excluding i) revenue pertaining to contracts that have an original expected duration of one year or less, ii) contracts where revenue is recognized as invoiced and iii) variable consideration related to unsatisfied performance obligations, is not expected to materially impact the Company’s financial results.

Acquisitions

9 Months Ended

Sep. 30, 2018

Business Combinations [Abstract]

Acquisitions

On February 15, 2017, Bonnell Aluminum acquired 100% of the stock of Futura Industries Corporation (“Futura”) on a net debt-free basis for approximately $92 million. The amount actually funded in cash at the transaction date was approximately $87 million, which was net of preliminary closing adjustments for working capital and seller transaction-related obligations assumed and subsequently paid by Bonnell Aluminum. In addition, the Company was refunded $5 million in the first quarter of 2018 since Futura did not meet certain performance requirements for the 2017 fiscal year (“Earnout Provision”). The acquisition, which was funded using Tredegar’s existing revolving credit facility, was treated as an asset purchase for U.S. federal income tax purposes.

The net purchase price for financial reporting purposes was set at approximately $82.9 million, which includes adjustments for the fair value of the Earnout Provision of $4.3 million and the net settlement of certain post-closing adjustments of $0.1 million. Adjustments to the purchase price were made retrospectively as if the accounting had been completed on the acquisition date. Based upon management’s valuation of the fair value of tangible and intangible assets acquired (net of cash acquired) and liabilities assumed, the allocation of the purchase price was as follows:



(In Thousands)
Accounts receivable	$	6,680
Inventories	10,342
Prepaid expenses and other current assets	240
Property, plant & equipment	32,662
Identifiable intangible assets:
Customer relationships	24,000
Trade names	6,700
Trade payables & accrued expenses	(8,135		)
Total identifiable net assets	72,489
Adjusted Net Purchase Price	82,860
Goodwill	$	10,371

The goodwill and other intangible asset balances associated with this acquisition are deductible for U.S. federal income tax purposes on a straight-line basis over a period of approximately 15 years. For financial reporting purposes, customer relationships are being amortized over 12 years and trade names are being amortized over 13 years. Goodwill is not subject to amortization for financial reporting purposes.

Plants Shutdowns, Asset Impairments, Restructurings And Other

9 Months Ended

Sep. 30, 2018

Restructuring Charges [Abstract]

Plant Shutdowns, Asset Impairments, Restructurings And Other

Plant shutdowns, asset impairments, restructurings and other items are shown in the net sales and operating profit by segment table in Note 11 and are also included in “Asset impairments and costs associated with exit and disposal activities, net of adjustments” in the consolidated statements of income, unless otherwise noted below.

Plant shutdowns, asset impairments, restructurings and other items in the third quarter of 2018 include:

•

Pretax charges of $1.7 million associated with the shutdown of PE Films’ manufacturing facility in Shanghai, China, which consists of severance and other employee-related costs of $1.3 million ($0.2 million included in “Cost of goods sold” in the consolidated statements of income), and accelerated depreciation of $0.4 million (included in “Cost of goods sold” in the consolidated statements of income);


•	Pretax charges of $0.4 million for professional fees associated with the Terphane Limitada worthless stock deduction and a market study for PE Films (included in “Selling, general and administrative expenses” in the consolidated statements of income);


•	Pretax charges of $0.2 million for severance and other employee-related costs associated with restructurings in PE Films;


•	Pretax charges of $0.2 million related to estimated excess costs associated with the ramp-up of new product offerings and additional expenses related to strategic capacity expansion projects by PE Films (included in “Cost of goods sold” in the consolidated statements of income);


•	Pretax charges of $0.2 million related to expected future environmental costs at the aluminum extrusions manufacturing facility in Carthage, Tennessee (included in “Cost of goods sold” in the consolidated statements of income); and


•	Pretax charges of $0.1 million related to wind damage that occurred in the third quarter of 2018 at the aluminum extrusions manufacturing facility in Elkhart, Indiana (included in “Selling, general and administrative expenses” in the consolidated statements of income).

Plant shutdowns, asset impairments, restructurings and other items in the first nine months of 2018 include:


•	Pretax charges of $2.4 million associated with the shutdown of PE Films’ manufacturing facility in Shanghai, China, which consists of severance and other employee-related costs of $1.7 million, accelerated depreciation of $0.5 million (included in “Cost of goods sold” in the consolidated statements of income) and other facility consolidation-related expenses of $0.2 million;


•	Pretax charges of $1.7 million related to estimated excess costs associated with the ramp-up of new product offerings and additional expenses related to strategic capacity expansion projects by PE Films (included in “Cost of goods sold” in the consolidated statements of income);


•	Pretax charges of $0.7 million for professional fees associated with the Terphane Limitada worthless stock deduction, the impairment of assets of Flexible Packaging Films, determining the effect of the new U.S. federal income tax law, and a market study for PE Films (included in “Selling, general and administrative expenses” in the consolidated statements of income);


•	Pretax charges of $0.3 million for severance and other employee-related costs associated with restructurings in PE Films;


•	Pretax charges of $0.2 million related to expected future environmental costs at the aluminum extrusions manufacturing facility in Carthage, Tennessee (included in “Cost of goods sold” in the consolidated statements of income); and


•	Pretax charges of $0.1 million related to wind damage that occurred in the third quarter of 2018 at the aluminum extrusions manufacturing facility in Elkhart, Indiana (included in “Selling, general and administrative expenses” in the consolidated statements of income).

Plant shutdowns, asset impairments, restructurings and other items in the third quarter of 2017 include:


•	Pretax charges of $0.7 million related to estimated excess costs associated with the ramp-up of new product offerings and additional expenses related to strategic capacity expansion projects by PE Films of $0.6 million and by Bonnell of $0.1 million (included in “Cost of goods sold” in the consolidated statements of income);


•	Pretax charges of $0.2 million associated with a business development project (included in “Selling, general and administrative expense” in the consolidated statements of income);


•	Pretax charges of $0.2 million associated with the consolidation of domestic PE Films’ manufacturing facilities (included in “Cost of goods sold” in the consolidated statements of income);


•	Pretax charges of $0.2 million associated with the settlement of customer claims and other costs related to the previously shutdown aluminum extrusions manufacturing facility in Kentland, Indiana; and


•	Pretax charges of $0.1 million for severance and other employee-related costs associated with restructurings in PE Films.

Plant shutdowns, asset impairments, restructurings and other items in the first nine months of 2017 include:

•

Pretax income of $11.9 million related to the settlement of an escrow arrangement established upon the acquisition of Terphane in 2011 (included in “Other income (expense), net” in the consolidated statements of income). In settling the escrow arrangement, the Company assumed the risk of the claims (and associated legal fees) against which the escrow previously secured the Company. While the ultimate amount of such claims is unknown, the Company believes that it is reasonably possible that it could be liable for some portion of these claims, and currently estimates the amount of such future claims at approximately $1.0 million;

•

Pretax charges of $3.3 million related to the acquisition of Futura, i) associated with accounting adjustments of $1.7 million made to the value of inventory sold by Aluminum Extrusions after its acquisition of Futura (included in “Cost of goods sold” in the consolidated statements of income), ii) acquisition costs of $1.5 million and, iii) integration costs of $0.1 million (included in “Selling, general and administrative expenses” in the consolidated statements of income), offset by pretax income of $0.7 million related to the fair valuation of an earnout provision (included in “Other income (expense), net” in the consolidated statements of income);


•	Pretax charges of $3.5 million related to estimated excess costs associated with the ramp-up of new product offerings and additional expenses related to strategic capacity expansion projects by PE Films of $3.0 million and by Aluminum Extrusions of $0.5 million (included in “Cost of goods sold” in the consolidated statements of income);

•

Pretax income of $0.5 million related to the explosion that occurred in the second quarter of 2016 at the aluminum extrusions manufacturing facility in Newnan, Georgia, which includes the expected recovery of excess production costs of $0.6 million incurred in 2016 for which recovery from insurance carriers was not previously considered to be reasonably assured (included in “Cost of goods sold” in the consolidated statements of income), partially offset by legal and consulting fees of $0.1 million (included in “Selling, general and administrative expenses” in the consolidated statements of income);

•

Pretax charges of $0.8 million associated with the consolidation of domestic PE Films’ manufacturing facilities, which consists of asset impairments of $0.1 million, accelerated depreciation of $0.2 million (included in “Cost of goods sold” in the consolidated statements of income) and other facility consolidation-related expenses of $0.5 million (included in “Cost of goods sold” in the consolidated statements of income), offset by pretax income of $0.1 million related to a reduction of severance and other employee-related accrued costs;


•	Pretax charges of $0.4 million related to expected future environmental costs at the aluminum extrusions manufacturing facility in Carthage, Tennessee (included in “Cost of goods sold” in the consolidated statements of income);


•	Pretax charges of $1.1 million associated with a business development project (included in “Selling, general and administrative expense” in the consolidated statements of income);


•	Pretax charges of $0.4 million for severance and other employee-related costs associated with restructurings in PE Films ($0.1 million) and Corporate ($0.3 million) (included in “Corporate expenses, net” in the net sales and operating profit by segment table); and


•	Pretax charges of $0.2 million associated with the settlement of customer claims and other costs related to the previously shutdown aluminum extrusions manufacturing facility in Kentland, Indiana.

Results on the Company’s investment in kaleo, Inc. (“kaléo”), which is accounted for under the fair value method, in the third quarter of 2018 include an unrealized loss of $2.1 million ($1.6 million after taxes) and in the first nine months an unrealized gain of $11.9 million ($9.3 million after taxes), compared to an unrealized gain of $24.8 million ($18.2 million after taxes) in the first nine months of 2017 (included in “Other income (expense), net” in the consolidated statements of income). There was no change in the estimated fair value from June 30, 2017 to September 30, 2017, as appreciation in value from the discount rate for one quarter was offset by a change in the present value of projected cash flows versus prior projections. An unrealized loss on the Company’s investment in the Harbinger Capital Partners Special Situations Fund, L.P. (“Harbinger Fund”) of $0.2 million and $0.3 million was recognized in the third quarter and first nine months of 2018, respectively (included in “Other income (expense), net” in the consolidated statements of income) (none in 2017). See Note 7 for additional information on investments.

During the third quarter of 2018, the Company performed a goodwill impairment analysis related to the Personal Care component of PE Films. This review was undertaken as a result of the expected loss of business from a key customer and revised projections for PE Films. Based on an evaluation of projections under various business planning scenarios, the Company concluded that the value of the Personal Care component of PE Films was less than the carrying value of the underlying working capital and long-lived net assets. The assessment resulted in a full write-off of the goodwill of $46.8 million associated with the acquisition of certain components of PE Films. See Note 15 for additional details.

The Company recorded an unrealized loss on its investment property in Alleghany and Bath Counties, Virginia (included in “Other income (expense), net” in the consolidated statements of income) of $0.2 million in the third quarter of 2018.

In June 2018, the Company announced plans to close its facility in Shanghai, China, which primarily produces plastic films used as components for personal care products (“Shanghai transition”). Production is expected to cease at this plant during the fourth quarter of 2018. The Company expects to recognize costs associated with exit and disposal activities of $7.1 million comprised of: (i) retention, severance and related costs ($3.6 million), (ii) customer-related costs ($1.1 million), and (iii) legal, asset disposal and other cash costs ($2.4 million). In addition, the Company expects non-cash asset write-offs and accelerated depreciation of $0.9 million. Net annual cash savings from consolidating operations of $1.7 million is expected. Proceeds from expected property disposals are uncertain. The Company anticipates that these activities, including property disposals, will require 12-18 months to execute, and the costs are expected to be incurred during this period.

Total expenses associated with the Shanghai transition were $1.7 million and $2.4 million in the three months and nine months ended September 30, 2018, respectively, ($1.0 million and $1.5 million, respectively, included in “Asset impairments and costs associated with exit and disposal activities, net of adjustments” and $0.7 million and $0.9 million, respectively, included in “Cost of goods sold” in the consolidated statements of income). Cash expenditures were $0.1 million and $0.4 million in the three months and nine months ended September 30, 2018, respectively.

A reconciliation of the beginning and ending balances of accrued expenses associated with exit and disposal activities and charges associated with asset impairments and reported as “Asset impairments and costs associated with exit and disposal activities, net of adjustments” in the consolidated statements of income for the nine months ended September 30, 2018 is as follows:



(In thousands)	Severance ^(a)			Asset Impairments			Other ^(b)			Total
Balance at January 1, 2018	$	627		$	—		$	476		$	1,103
Changes in 2018:
Charges	1,871			—			20			1,891
Cash spent	(933		)	—			(310		)	(1,243		)
Charges against assets	—			92			—			92
Reversed to income				(92		)				(92		)
Balance at September 30, 2018	$	1,565		$	—		$	186		$	1,751
(a) Severance cash spent includes severance payments associated with the consolidation of North American PE Films manufacturing facilities. (b) Other primarily includes other restructuring costs associated with Aluminum Extrusions.

Inventories

9 Months Ended

Sep. 30, 2018

Inventory, Net [Abstract]

Inventories

The components of inventories are as follows:



	September 30,		December 31,
(In thousands)	2018		2017
Finished goods	$	24,632	$	20,281
Work-in-process	12,046		11,958
Raw materials	36,607		35,909
Stores, supplies and other	19,515		18,759
Total	$	92,800	$	86,907

Earnings Per Share

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Earnings Per Share

Basic earnings (loss) per share is computed by dividing net income (loss) by the weighted average number of shares of common stock outstanding. Diluted earnings (loss) per share is computed by dividing net income (loss) by the weighted average common and potentially dilutive common equivalent shares outstanding, determined as follows:



	Three Months Ended		Nine Months Ended
	September 30,		September 30,
(In thousands)	2018	2017	2018	2017
Weighted average shares outstanding used to compute basic (loss) earnings per share	33,110	32,954	33,056	32,945
Incremental dilutive shares attributable to stock options and restricted stock	—	—	—	7
Shares used to compute diluted earnings (loss) per share	33,110	32,954	33,056	32,952

Incremental shares attributable to stock options and restricted stock are computed under the treasury stock method using the average market price during the related period. The Company had a net loss for the three and nine months ended September 30, 2018, so there is no dilutive impact for such shares. If the Company had reported net income for the three and nine months ended September 30, 2018, average out-of-the-money options to purchase shares that were excluded from the calculation of incremental shares attributable to stock options and restricted stock were 178,676 and 236,138, respectively. For the three and nine months ended September 30, 2017, average out-of-the-money options to purchase shares that were excluded from the calculation of incremental shares attributable to stock options and restricted stock were 479,651 and 386,729, respectively.

Accumulated Other Comprehensive Income (Loss)

9 Months Ended

Sep. 30, 2018

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, 2018:



(In thousands)	Foreign currency translation adjustment			Gain (loss) on derivative financial instruments			Pension and other post-retirement benefit adjustments			Total
Beginning balance, January 1, 2018	$	(86,178	)	$	459		$	(90,950	)	$	(176,669	)
Other comprehensive income (loss) before reclassifications	(11,571		)	(3,045		)	—			(14,616		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			154			7,926			8,080
Net other comprehensive income (loss) - current period	(11,571		)	(2,891		)	7,926			(6,536		)
Ending balance, September 30, 2018	$	(97,749	)	$	(2,432	)	$	(83,024	)	$	(183,205	)

The following table summarizes the after-tax changes in accumulated other comprehensive income (loss) for the nine months ended September 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	9,817			817			—			10,634
Amounts reclassified from accumulated other comprehensive income (loss)	—			(529		)	5,754			5,225
Net other comprehensive income (loss) - current period	9,817			288			5,754			15,859
Ending balance, September 30, 2017	$	(84,153	)	$	1,151		$	(84,373	)	$	(167,375	)

Reclassifications of balances out of accumulated other comprehensive income (loss) into net income (loss) for the three months ended September 30, 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 (loss)
Gain (loss) on derivative financial instruments:
Aluminum future contracts, before taxes	$	300		Cost of sales
Foreign currency forward contracts, before taxes	(807		)	Selling, general & administrative
Foreign currency forward contracts, before taxes	15			Cost of sales
Total, before taxes	(492		)
Income tax expense (benefit)	23			Income taxes
Total, net of tax	$	(515	)
Amortization of pension and other post-retirement benefits:
Actuarial gain (loss) and prior service costs, before taxes	$	(3,492	)	(a)
Income tax expense (benefit)	(789		)	Income taxes
Total, net of tax	$	(2,703	)


(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, 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 (loss)
Gain (loss) on derivative financial instruments:
Aluminum future contracts, before taxes	$	1,244		Cost of sales
Foreign currency forward contracts, before taxes	(1,226		)	Selling, general & administrative
Foreign currency forward contracts, before taxes	46			Cost of sales
Total, before taxes	64
Income tax expense (benefit)	218			Income taxes
Total, net of tax	$	(154	)
Amortization of pension and other post-retirement benefits:
Actuarial gain (loss) and prior service costs, before taxes	$	(10,238	)	(a)
Income tax expense (benefit)	(2,312		)	Income taxes
Total, net of tax	$	(7,926	)


(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, 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	$	231		Cost of sales
Foreign currency forward contracts, before taxes	15			Cost of sales
Total, before taxes	246
Income tax expense (benefit)	90			Income taxes
Total, net of tax	$	156
Amortization of pension and other post-retirement benefits:
Actuarial gain (loss) and prior service costs, before taxes	$	(2,911	)	(a)
Income tax expense (benefit)	(1,057		)	Income taxes
Total, net of tax	$	(1,854	)


(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, 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	$	785		Cost of sales
Foreign currency forward contracts, before taxes	46			Cost of sales
Total, before taxes	831
Income tax expense (benefit)	302			Income taxes
Total, net of tax	$	529
Amortization of pension and other post-retirement benefits:
Actuarial gain (loss) and prior service costs, before taxes	$	(9,033	)	(a)
Income tax expense (benefit)	(3,279		)	Income taxes
Total, net of tax	$	(5,754	)


(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, 2018:



(In thousands)	Foreign currency translation adjustment			Gain (loss) on derivative financial instruments			Pension and other post-retirement benefit adjustments			Total
Beginning balance, January 1, 2018	$	(86,178	)	$	459		$	(90,950	)	$	(176,669	)
Other comprehensive income (loss) before reclassifications	(11,571		)	(3,045		)	—			(14,616		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			154			7,926			8,080
Net other comprehensive income (loss) - current period	(11,571		)	(2,891		)	7,926			(6,536		)
Ending balance, September 30, 2018	$	(97,749	)	$	(2,432	)	$	(83,024	)	$	(183,205	)

The following table summarizes the after-tax changes in accumulated other comprehensive income (loss) for the nine months ended September 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	9,817			817			—			10,634
Amounts reclassified from accumulated other comprehensive income (loss)	—			(529		)	5,754			5,225
Net other comprehensive income (loss) - current period	9,817			288			5,754			15,859
Ending balance, September 30, 2017	$	(84,153	)	$	1,151		$	(84,373	)	$	(167,375	)

Investments	9 Months Ended
Investments	Sep. 30, 2018
Equity Method Investments and Joint Ventures [Abstract]
Investments	In August 2007 and December 2008, the Company made an aggregate investment of $7.5 million in kaléo, a privately held specialty pharmaceutical company dedicated to building innovative solutions for serious and life-threatening medical conditions. Tredegar owns Series A-3 Preferred Stock and Series B Preferred Stock in kaléo that, taken together, represents on a fully-diluted basis an approximate 20% interest in kaléo. Tredegar accounts for its investment in kaléo under the fair value method. At the time of the initial investment, the Company elected the fair value option of accounting since its investment objectives were similar to those of venture capitalists, which typically do not have controlling financial interests. At September 30, 2018, the estimated fair value of the Company’s investment was $65.9 million, down from $68.0 million as of June 30, 2018 but up from $54.0 million as of December 31, 2017. The change in the estimated fair value of the Company’s holding in kaléo since the end of 2017 primarily relates to the difference from discounting between the present value of projected cash flows at September 30, 2018 versus December 31, 2017 (i.e., the time value of money), changes in cash flow projections for various scenarios and the assessment of the risk-adjusted discount rate appropriate for the various scenarios. Kaléo’s stock is not publicly traded. The valuation estimate in this situation is based on projection assumptions or Level 3 inputs that have a wide range of possible outcomes. There are numerous assumptions and Level 3 inputs that, if changed, impact the projection of kaléo’s future cash flows, and the probability of actually achieving those cash flows. For example, there are various regulatory and legal enforcement efforts, including an ongoing Department of Justice investigation related to kaléo’s Evzio business, which could have a material adverse effect on kaléo’s business. Moreover, many of the assumptions and inputs are interrelated, including key assumptions for kaléo’s projected market share, pricing and net margins after chargebacks, discounts, rebates, copays and returns. Accordingly, determining the sensitivity of changes in estimated fair value to the change in one assumption is not practical. Ultimately, the true value of the Company’s ownership interest in kaléo will be determined if and when a liquidity event occurs, and the ultimate value could be materially different from the $65.9 million estimated fair value reflected in the Company’s financial statements at September 30, 2018. Unrealized gains (losses) associated with this investment are included in “Other income (expense), net” in the consolidated statements of income and separately stated in the segment operating profit table in Note 11. Subsequent to its most recent investment (December 15, 2008), and until the next round of financing, the Company believes fair value estimates are based upon Level 3 inputs since there is no secondary market for its ownership interest. Accordingly, until the next round of financing or any other significant financial transaction, value estimates will primarily be based on assumptions related to meeting cash flow projections and discounting of these factors for their high degree of risk. If kaléo does not meet its projected cash flows or related risks are unfavorable versus the most recent valuation, or a new round of financing or other significant financial transaction indicates a lower enterprise value, then the Company’s estimate of the fair value of its ownership interest in kaléo is likely to decline. Adjustments to the estimated fair value of this investment will be made in the period upon which such changes can be quantified. The Company’s investment in the Harbinger Fund had a carrying value (included in “Other assets and deferred charges”) of $1.4 million and $1.7 million at September 30, 2018 and December 31, 2017, respectively. The carrying value at September 30, 2018 reflected Tredegar’s cost basis in its investment in the Harbinger Fund, net of total withdrawal proceeds received and unrealized losses. Based on an observable price change, the Company recorded an unrealized loss of $0.2 million and $0.3 million in the third quarter and first nine months of 2018, respectively (none in 2017). No withdrawal proceeds were received in the first nine months of 2017 or 2018. The timing and amount of future installments of withdrawal proceeds, which commenced in August 2010, were not known as of September 30, 2018. The Company has determined that there is no readily determinable fair value for the Harbinger Fund and has elected to record its investment in the Harbinger Fund at cost, less impairment, adjusted for observable price changes. Gains on the Company’s investment in the Harbinger Fund will be recognized when there are positive observable price changes, including when the amounts expected to be collected from any withdrawal from the investment are known, which will likely be when cash in excess of the remaining carrying value is received. Losses will be recognized when management believes through observable methods that it is probable that future withdrawal proceeds will not exceed the remaining carrying value.

Derivative Financial Instruments

9 Months Ended

Sep. 30, 2018

Summary of Derivative Instruments [Abstract]

Derivative Financial Instruments

The table below summarizes the location and gross amounts of foreign currency forward contract fair values (Level 2) in the consolidated balance sheets as of September 30, 2018 and December 31, 2017:



	September 30, 2018				December 31, 2017
(In Thousands)	Balance Sheet Account	Fair Value			Balance Sheet Account	Fair Value
Derivatives Designated as Hedging Instruments
Asset derivatives: Foreign currency forward contracts	Accrued Expenses	$	—		Accrued Expenses	$	—
Liability derivatives: Foreign currency forward contracts	Accrued Expenses	(2,687		)	Accrued Expenses	(558		)
Net asset (liability)		$	(2,687	)		$	(558	)

Tredegar uses derivative financial instruments for the purpose of hedging margin exposure from fixed-price forward sales contracts in Aluminum Extrusions and exposure from currency volatility that exist as part of ongoing business operations (primarily in Flexible Packaging Films). These derivative financial instruments are designated as and qualify as cash flow hedges and are recognized in the consolidated balance sheet at fair value. The fair value of derivative instruments recorded on the consolidated balance sheets are based upon Level 2 inputs. If individual derivative instruments with the same counterparty can be settled on a net basis, the Company records the corresponding derivative fair values as a net asset or net liability.

In the normal course of business, Aluminum Extrusions enters into fixed-price forward sales contracts with certain customers for the future sale of fixed quantities of aluminum extrusions at scheduled intervals. In order to hedge margin exposure created from the fixing of future sales prices relative to volatile raw material (aluminum) costs, Aluminum Extrusions enters into a combination of forward purchase commitments and futures contracts to acquire or hedge aluminum, based on the scheduled purchases for the firm sales commitments. The fixed-price firm sales commitments and related hedging instruments generally have durations of not more than 12 months, and the notional amount of aluminum futures contracts that hedged future purchases of aluminum to meet fixed-price forward sales contract obligations was $18.2 million (16.4 million pounds of aluminum) at September 30, 2018 and $8.2 million (8.0 million pounds of aluminum) at December 31, 2017.

The table below summarizes the location and gross amounts of aluminum futures contract fair values (Level 2) in the consolidated balance sheets as of September 30, 2018 and December 31, 2017:



	September 30, 2018				December 31, 2017
(In thousands)	Balance Sheet Account	Fair Value			Balance Sheet Account	Fair Value
Derivatives Designated as Hedging Instruments
Asset derivatives: Aluminum futures contracts	Accrued Expenses	$	201		Prepaid expenses and other	$	578
Liability derivatives: Aluminum futures contracts	Accrued Expenses	(994		)	Prepaid expenses and other	$	(16	)
Net asset (liability)		$	(793	)		$	562

In the event that a counterparty to an aluminum fixed-price forward sales contract chooses not to take delivery of its aluminum extrusions, the customer is contractually obligated to compensate Aluminum Extrusions for any losses on the related aluminum futures and/or forward contracts through the date of cancellation.

The table below summarizes the location and gross amounts of foreign currency forward contract fair values (Level 2) in the consolidated balance sheets as of September 30, 2018 and December 31, 2017:



	September 30, 2018				December 31, 2017
(In Thousands)	Balance Sheet Account	Fair Value			Balance Sheet Account	Fair Value
Derivatives Designated as Hedging Instruments
Asset derivatives: Foreign currency forward contracts	Accrued Expenses	$	—		Accrued Expenses	$	—
Liability derivatives: Foreign currency forward contracts	Accrued Expenses	(2,687		)	Accrued Expenses	(558		)
Net asset (liability)		$	(2,687	)		$	(558	)

The Company's earnings are exposed to foreign currency exchange risk primarily through the translation of the financial statements of subsidiaries that have a functional currency other than the U.S. Dollar. The Company estimates that the net mismatch translation exposure between Flexible Packaging Films business unit in Brazil, Terphane Ltda.'s (“Terphane Ltda.”) U.S. Dollar quoted or priced sales and underlying Brazilian Real (“R$”) quoted or priced operating costs (excluding depreciation and amortization) is annual net costs of R$125 million. Terphane Ltda. has the following outstanding foreign exchange average forward rate contracts to purchase Brazilian Real and sell U.S. Dollars:



USD Notional Amount (000s)	Average Forward Rate Contracted on USD/BRL	R$ Equivalent Amount (000s)	Applicable Month	Estimated % of Terphane Ltda. R$ Operating Cost Exposure Hedged
$2,250	3.4801	R$7,830	Oct-18	78%
$2,250	3.4887	R$7,850	Nov-18	81%
$2,250	3.4969	R$7,868	Dec-18	83%
$2,025	3.6442	R$7,380	Jan-19	73%
$2,025	3.6527	R$7,397	Feb-19	75%
$2,025	3.6593	R$7,410	Mar-19	70%
$2,025	3.6690	R$7,430	Apr-19	72%
$2,025	3.6795	R$7,451	May-19	73%
$2,025	3.6904	R$7,473	Jun-19	72%
$1,800	3.8826	R$6,989	Jul-19	65%
$1,800	3.8950	R$7,011	Aug-19	68%
$1,800	3.9070	R$7,033	Sep-19	66%
$1,800	3.9203	R$7,056	Oct-19	67%
$1,800	3.9331	R$7,080	Nov-19	67%
$1,800	3.9455	R$7,102	Dec-19	73%
$29,700	3.7158	R$110,358		72%

These foreign currency exchange contracts have been designated and qualify as cash flow hedges of Terphane Limitada's forecasted sales to customers quoted or priced in U.S. Dollars over that period. By changing the currency risk associated with these U.S. Dollar sales, the derivatives have the effect of offsetting operating costs quoted or priced in Brazilian Real and decreasing the net exposure to Brazilian Real in the consolidated statements of income. The net fair value of the open forward contracts was a negative $2.3 million as of September 30, 2018.

These derivative contracts involve elements of market risk that are not reflected on the consolidated balance sheet, including the risk of dealing with counterparties and their ability to meet the terms of the contracts. The counterparties to any forward purchase commitments are major aluminum brokers and suppliers, and the counterparties to any aluminum futures contracts are major financial institutions. Fixed-price forward sales contracts are only made available to the best and most credit-worthy customers. The counterparties to the Company’s foreign currency cash flow hedge contracts are major financial institutions.

The pretax effect on net income (loss) and other comprehensive income (loss) of derivative instruments classified as cash flow hedges and described in the previous paragraphs for the three and nine month periods ended September 30, 2018 and 2017 is summarized in the table below:



(In thousands)	Cash Flow Derivative Hedges
	Three Months Ended September 30,
	Aluminum Futures Contracts					Foreign Currency Forwards
	2018			2017		2018		2018			2017
Amount of pretax gain (loss) recognized in other comprehensive income (loss)	$	(1,176	)	$	757	$	—	$	(1,353	)	$	—
Location of gain (loss) reclassified from accumulated other comprehensive income (loss) into net income (effective portion)	Cost of sales			Cost of sales		Cost of sales		Selling, general & admin			Cost of sales
Amount of pretax gain (loss) reclassified from accumulated other comprehensive income (loss) to net income effective portion)	$	300		$	231	$	15	$	(807	)	$	15
	Nine Months Ended September 30,
	Aluminum Futures Contracts					Foreign Currency Forwards
	2018			2017		2018		2018			2017
Amount of pre-tax gain (loss) recognized in other comprehensive income (loss)	$	(111	)	$	1,281	$	—	$	(3,032	)	$	—
Location of gain (loss) reclassified from accumulated other comprehensive income (loss) into net income (effective portion)	Cost of sales			Cost of sales		Cost of sales		Selling, general & admin			Cost of sales
Amount of pre-tax gain (loss) reclassified from accumulated other comprehensive income (loss) to net income (effective portion)	$	1,244		$	785	$	46	$	(1,226	)	$	46

As of September 30, 2018, the Company expects $0.7 million of unrealized after-tax losses on derivative instruments reported in accumulated other comprehensive income (loss) to be reclassified to earnings within the next 12 months. For the three and nine month periods ended September 30, 2018 and 2017, net gains or losses realized, from previously unrealized net gains or losses on hedges that had been discontinued, were not material.

Pension And Other Post-Retirement Benefits

9 Months Ended

Sep. 30, 2018

Retirement Benefits [Abstract]

Pension And Other Post-Retirement Benefits

The Company sponsors a noncontributory defined benefit (pension) plan covering certain current and former U.S. employees. The plan for salaried and hourly employees is based on a formula using the participant’s years of service and compensation or using the participant’s years of service and a dollar amount. The plan was closed to new participants and pay for active plan participants for benefit calculations was frozen as of December 31, 2007. As of January 31, 2018, the plan no longer accrued benefits associated with crediting employees for service, thereby freezing all future benefits under the plan.

The components of net periodic benefit cost for the pension and other post-retirement benefit programs reflected in the consolidated statements of income are shown below:



	Pension Benefits						Other Post-Retirement Benefits
	Three Months Ended September 30,						Three Months Ended September 30,
(In thousands)	2018			2017			2018			2017
Service cost	$	7		$	29		$	7		$	7
Interest cost	2,818			3,103			65			73
Expected return on plan assets	(3,736		)	(3,743		)	—			—
Amortization of prior service costs, (gains) losses and net transition asset	3,565			2,996			(75		)	(84		)
Net periodic benefit cost	$	2,654		$	2,385		$	(3	)	$	(4	)
	Pension Benefits						Other Post-Retirement Benefits
	Nine Months Ended September 30,						Nine Months Ended September 30,
	2018			2017			2018			2017
Service cost	$	17		$	145		$	27		$	25
Interest cost	8,582			9,431			203			226
Expected return on plan assets	(11,258		)	(11,216		)	—			—
Amortization of prior service costs, (gains) losses and net transition asset	10,421			9,241			(183		)	(207		)
Net periodic benefit cost	$	7,762		$	7,601		$	47		$	44

Pension and other post-retirement liabilities were $89.8 million and $99.5 million at September 30, 2018 and December 31, 2017, respectively ($0.6 million included in “Accrued expenses” at September 30, 2018 and December 31, 2017, with the remainder included in “Pension and other postretirement benefit obligations, net” in the consolidated balance sheets). The Company’s required contributions are expected to be $8.4 million in 2018. Contributions to the pension plan during the first nine months of 2018 were $7.0 million. Tredegar funds its other post-retirement benefits (life insurance and health benefits) on a claims-made basis; for 2018, the Company anticipates the amount will be consistent with amounts paid for the year ended December 31, 2017, or $0.3 million.

Other Income (Expense), Net (Notes)

9 Months Ended

Sep. 30, 2018

Other Income and Expenses [Abstract]

Other Income and Other Expense Disclosure [Text Block]

Other income (expense), net consists of the following:



	Three Months Ended September 30,					Nine Months Ended September 30,
(In thousands)	2018			2017		2018			2017
Gain (loss) on investment in kaléo accounted for under fair value method	$	(2,100	)	$	—	$	11,900		$	24,800
Gain associated with the settlement of an escrow agreement	—			—		—			11,856
Other	(457		)	34		(368		)	1,399
Total	$	(2,557	)	$	34	$	11,532		$	38,055

See Note 7 for more details on the gain (loss) on the investment in kaléo.

Segment Reporting

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Segment Reporting

The Company’s business segments are PE Films, Flexible Packaging Films and Aluminum Extrusions. Information by business segment is reported below. There are no accounting transactions between segments and no allocations to segments. Net sales (sales less freight) and operating profit from ongoing operations are the measures of sales and operating profit used by the chief operating decision maker for purposes of assessing performance.

The following table presents net sales and operating profit by segment for the three and nine months ended September 30, 2018 and 2017:



	Three Months Ended September 30,						Nine Months Ended September 30,
(In thousands)	2018			2017			2018			2017
Net Sales
PE Films	$	76,470		$	89,723		$	252,177		$	265,773
Flexible Packaging Films	33,725			26,628			90,466			79,925
Aluminum Extrusions	147,661			122,149			420,455			344,956
Total net sales	257,856			238,500			763,098			690,654
Add back freight	9,438			8,621			26,667			24,840
Sales as shown in the Consolidated Statements of Income	$	267,294		$	247,121		$	789,765		$	715,494
Operating Profit (Loss)
PE Films:
Ongoing operations	$	4,145		$	11,251		$	26,857		$	30,965
Plant shutdowns, asset impairments, restructurings and other	(2,355		)	(919		)	(4,542		)	(3,890		)
Goodwill impairment charge	(46,792		)	—			(46,792		)	—
Flexible Packaging Films:
Ongoing operations	3,609			(1,074		)	6,617			(3,392		)
Plant shutdowns, asset impairments, restructurings and other	—			—			—			11,856
Aluminum Extrusions:
Ongoing operations	11,730			12,601			35,086			34,201
Plant shutdowns, asset impairments, restructurings and other	(297		)	(377		)	(396		)	(3,147		)
Total	(29,960		)	21,482			16,830			66,593
Interest income	6			42			290			171
Interest expense	1,318			1,757			4,539			4,579
Gain (loss) on investment in kaléo accounted for under fair value method	(2,100		)	—			11,900			24,800
Unrealized loss on investment property	(186		)	—			(186		)	—
Stock option-based compensation costs	415			111			806			153
Corporate expenses, net	6,926			6,960			21,668			20,985
Income (loss) before income taxes	(40,899		)	12,696			1,821			65,847
Income taxes (benefit)	(6,699		)	4,422			3,135			9,667
Net income (loss)	$	(34,200	)	$	8,274		$	(1,314	)	$	56,180

The following table presents identifiable assets by segment at September 30, 2018 and December 31, 2017:



(In thousands)	September 30, 2018		December 31, 2017
PE Films	$	231,106	$	289,514
Flexible Packaging Films	53,661		49,915
Aluminum Extrusions	277,810		268,127
Subtotal	562,577		607,556
General corporate	91,583		111,696
Cash and cash equivalents	36,776		36,491
Total	$	690,936	$	755,743

The following tables disaggregate the Company’s revenue by geographic area and product group for the three and nine months ended September 30, 2018 and 2017:



Net Sales by Geographic Area (b)
	Three Months Ended September 30,				Nine Months Ended September 30,
(In thousands)	2018		2017		2018		2017^(c)
United States	$	176,022	$	150,154	$	506,769	$	434,766
Exports from the United States to:
Asia	14,893		21,507		57,370		61,394
Canada	13,451		11,253		40,988		35,855
Europe	1,608		2,193		5,127		6,826
Latin America	3,104		3,841		9,810		11,562
Operations outside the United States:
Brazil	26,591		22,030		73,402		64,682
The Netherlands	11,428		15,691		34,750		41,378
Hungary	7,987		6,331		25,324		17,660
China	2,376		3,061		6,342		9,176
India	396		2,439		3,216		7,355
Total (a)	$	257,856	$	238,500	$	763,098	$	690,654



Net Sales by Product Group
	Three Months Ended September 30,		Nine Months Ended September 30,
(In thousands)	2018	2017	2018	2017^(c)
PE Films:
Personal care materials	57,356	63,574	174,985	187,661
Surface protection films	17,193	24,368	71,926	72,805
LED lighting products & other films	1,921	1,781	5,266	5,307
Subtotal	76,470	89,723	252,177	265,773
Flexible Packaging Films	33,725	26,628	90,466	79,925
Aluminum Extrusions:
Nonresidential building & construction	75,870	63,187	213,500	177,534
Consumer durables	14,991	14,105	47,300	39,871
Distribution	9,148	7,182	32,109	23,024
Automotive	13,205	9,682	33,992	29,947
Residential building & construction	11,163	10,327	32,976	29,855
Machinery & equipment	11,191	8,430	30,335	23,975
Electrical	12,093	9,236	30,243	20,750
Subtotal	147,661	122,149	420,455	344,956
Total (a)	257,856	238,500	763,098	690,654

See a reconciliation of net sales to sales as shown in the Condensed Consolidated Statements of Income on the previous page.


(a)	The difference between total consolidated sales as reported in the consolidated statements of income and segment, geographic and product group net sales reported in this note is freight of $9.4 million and $26.7 million in the three months and nine months ended September 30, 2018 and $8.6 million and $24.8 million in the three months and nine months ended September 30, 2017, respectively.

(b)

Export sales relate primarily to PE Films. Operations outside the U.S. in The Netherlands, Hungary, China and India also relate to PE Films. Operations in Brazil are primarily related to Flexible Packaging Films, but also include PE Films operations. Sales from locations in The Netherlands and Hungary are primarily to customers located in Europe. Sales from locations in China (Guangzhou and Shanghai) are primarily to customers located in China, but also include other customers in Asia.


(c)	As disclosed in Note 1, prior period amounts have not been adjusted under the modified retrospective method.

Income Taxes

9 Months Ended

Sep. 30, 2018

Income Tax Disclosure [Abstract]

Income Taxes

The Tax Cuts and Jobs Act (the “TCJA”) makes broad and complex changes to the U.S. tax code, including but not limited to: (i) reducing the U.S. federal corporate tax rate from 35 percent to 21 percent; (ii) requiring companies to pay a one-time transition tax on certain unrepatriated earnings of foreign subsidiaries; (iii) generally eliminating U.S. federal income taxes on dividends from foreign subsidiaries; (iv) creating new taxes on certain foreign earnings; (v) eliminating certain deductions; and (vi) providing the option to full expensing of qualified property.

The SEC staff issued Staff Accounting Bulletin No. 118 (“SAB 118”), which provides guidance on accounting for the tax effects of the TCJA. SAB 118 provides a measurement period that should not extend beyond one year from the TCJA enactment date for companies to complete the accounting under Accounting Standards Codification No. 740 (“ASC 740”). In accordance with SAB 118, a company must reflect the income tax effects of a company’s accounting for those tax effects of the TCJA for which the accounting under ASC 740 is complete. To the extent that a company’s accounting for certain tax effects of the TCJA is incomplete but it is able to determine a reasonable estimate, it must record a provisional estimate in the financial statements. If a company cannot determine a reasonable estimate to be included in the financial statements, it should continue to apply ASC 740 on the basis of the provisions of the tax law that were in effect immediately before the enactment of the TCJA.

The TCJA is complex and its impact may materially differ from the Company’s estimates due to, among other things, changes in the Company’s assumptions, implementation guidance that may be issued from the IRS and related interpretations and clarifications of the tax law relevant for the completion of the Company’s 2017 tax return filings. The Company expects to complete its assessment of these items during 2018, and any adjustments to the provisional amounts initially recorded will be included as an adjustment to income tax expense or benefit in the period the amounts are determined in accordance with SAB 118.

While item (ii) above has not been completed, the Company has not accrued any deemed repatriation taxes on unrepatriated earnings of its foreign subsidiaries, since its preliminary assessments indicates that such foreign subsidiaries have no net cumulative unremitted earnings due to historical repatriation. There has been no change to this estimate in the first nine months of 2018. The remaining TCJA summary items (i and iii through vi above) have been reflected in the Company’s 2018 effective tax rate based on the Company’s best estimates as indicated in the rate reconciliation table.

The application of the new Global Intangible Low Taxed Income (“GILTI”) tax rules to the Company, which is part of item (iv) above is not complete. The rules are complex, and under GAAP, the Company is allowed to make a policy choice of either (a) treating taxes due on future U.S. inclusions in taxable income related to GILTI as current period expense when incurred (the “period cost method”) or (b) factoring such amounts into a company’s measurement of its deferred income taxes (“deferred method”). The selection of an accounting policy with respect to the new GILTI tax rules will depend, in part, on the Company’s analysis of its global income to determine whether it expects to have future U.S. inclusions in taxable income related to GILTI and, if so, what the impact is expected to be. Accordingly, the Company has not made a policy decision regarding whether to record deferred income taxes on GILTI.

Tredegar recorded tax expense of $3.1 million on pretax net income of $1.8 million in the first nine months of 2018. Therefore, the effective tax rate in the first nine months of 2018 was 172.1%, compared to 14.7% in the first nine months of 2017. The quarterly effective tax rate is an estimate based on a proration of the components of the Company’s estimated annual effective tax rate. The significant differences between the U.S. federal statutory rate and the effective income tax rate for the nine months ended September 30, 2018 and 2017 are as follows:



(In thousands, except percentages)	2018					2017
Nine Months Ended September 30,	Amount			%		Amount			%
Income tax expense at federal statutory rate	$	383		21.0		$	23,047		35.0
Goodwill impairment charge	1,788			98.2		—			—
Foreign rate differences	1,159			63.6		1,022			1.5
U.S. Tax on Foreign Branch Income	953			52.3		—			—
Tax contingency accruals and tax settlements	480			26.4		(284		)	(0.4	)
Valuation allowance for capital loss carry-forwards	245			13.4		(25		)	—
Non-deductible expenses	230			12.6		368			0.5
Valuation allowance due to foreign losses and impairments	185			10.1		272			0.4
Stock-based compensation	173			9.5		192			0.3
State taxes, net of federal income tax benefit	87			4.8		866			1.3
Unremitted earnings from foreign operations	—			—		117			0.2
Domestic production activities deduction	—			—		(610		)	(0.9	)
Remitted earnings from foreign operations	—			—		(413		)	(0.6	)
Increase in value of kaléo investment held abroad	—			—		(2,326		)	(3.5	)
Settlement of Terphane acquisition escrow	—			—		(4,200		)	(6.4	)
Worthless stock deduction	—			—		(8,057		)	(12.2	)
Research and development tax credit	(318		)	(17.4	)	(458		)	(0.7	)
Changes in estimates related to prior year tax provision	(414		)	(22.7	)	156			0.2
Foreign Derived Intangible Income (FDII)	(472		)	(25.9	)	—			—
Foreign tax incentives	(1,344		)	(73.8	)	—			—
Effective income tax rate	$	3,135		172.1		$	9,667		14.7

Tredegar accrues U.S. federal income taxes on unremitted earnings of all foreign subsidiaries where required. However, due to changes in the taxation of dividends under TCJA, Tredegar will only record U.S. federal income taxes on unremitted earnings of its foreign subsidiaries where Tredegar cannot take steps to eliminate any potential tax on future distributions from its foreign subsidiaries.

The Brazilian federal statutory income tax rate is a composite of 34.0% (25.0% of income tax and 9.0% of social contribution on income). Terphane Ltda.’s manufacturing facility in Brazil is the beneficiary of certain income tax incentives that allow for a reduction in the statutory Brazilian federal income tax rate to 15.25% levied on the operating profit on certain of its products. The incentives have been granted for a 10-year period, which has a commencement date of January 1, 2015. The benefit from the tax incentives was $1.3 million in the first nine months of 2018 (none in 2017).

Tredegar and its subsidiaries file income tax returns in the U.S., various states and jurisdictions outside the U.S. With exceptions for some U.S. states and non-U.S. jurisdictions, Tredegar and its subsidiaries are no longer subject to U.S. federal, state or non-U.S. income tax examinations by tax authorities for years before 2014.

The Company includes tax-related interest and penalties in income tax expense. During the first nine months of 2018, $0.1 million of interest and penalties were accrued. As of September 30, 2018, $0.2 million of interest and penalties are accrued as a tax liability.

Contingencies

9 Months Ended

Sep. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Contingencies

In 2011, Tredegar was notified by U.S. Customs and Border Protection (“U.S. Customs”) that certain film products exported by Terphane Ltda. to the U.S. since November 6, 2008 could be subject to duties associated with an anti-dumping duty order on imported PET films from Brazil. The Company contested the applicability of these anti-dumping duties to the films exported by Terphane Ltda., and it filed a request with the U.S. Department of Commerce (“Commerce”) for clarification about whether the film products at issue are within the scope of the anti-dumping duty order. In December 2014, the U.S. International Trade Commission separately voted to revoke the anti-dumping duty order on imported PET films from Brazil. On February 20, 2015, certain U.S. producers of PET films filed a summons with the U.S. Court of International Trade to appeal the determination by the U.S. International Trade Commission. After lengthy litigation, on June 19, 2018, the U.S. Court of International Trade ruled in favor of Terphane Ltda. by upholding the determination by Commerce that Terphane Ltda.’s films are outside the scope of the anti-dumping duty order. The plaintiffs chose not to appeal the U.S. Court of International Trade’s opinion affirming Commerce’s scope ruling. On September 4, 2018, the plaintiffs filed to dismiss their appeal of the December 2014 decision that revoked the anti-dumping duty order on PET films from Brazil. The U.S. Court of International Trade issued an Order of Dismissal on September 5, 2018. The litigation has now ended.

New Accounting Pronouncements

9 Months Ended

Sep. 30, 2018

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

New Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board (“FASB”) and International Accounting Standards Board (“IASB”) issued their converged standard on revenue recognition. The revised revenue standard contains principles that an entity will apply to direct the measurement of revenue and timing of when it is recognized. The core principle of the guidance is that the recognition of revenue should depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which an entity expects to be entitled in exchange for those goods and services. To achieve that core principle, an entity will utilize a principle-based five-step approach model. The converged standard also includes more robust disclosure requirements which will require entities to provide sufficient information to enable users of financial statements to understand the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. In March 2016, amended guidance was issued regarding clarifying the implementation guidance on principal versus agent considerations and in April 2016, clarifying guidance was issued relating to identifying performance obligations and licensing implementation. The Company adopted the new standard effective January 1, 2018, using the modified retrospective approach applied to all contracts as of the date of adoption. Comparative periods have not been adjusted and continue to be reported under the accounting standards in effect for those periods. The adoption of ASU 2014-09, as amended, had no material impact on the Company’s consolidated financial position, results of operations, equity or cash flows upon adoption. The Company has included the disclosures required by ASU 2014-09.

In January 2016, the FASB issued amended guidance associated with accounting for equity investments measured at fair value. The amended guidance requires all equity investments to be measured at fair value with changes in the fair value recognized through net income (other than those accounted for under equity method of accounting or those that result in consolidation of the investee or those without a readily determinable fair value). The amended guidance also requires an entity to present separately in other comprehensive income the portion of the total change in the fair value of a liability resulting from a change in the instrument-specific credit risk when the entity has elected to measure the liability at fair value in accordance with the fair value option for financial instruments. In addition, the amendments in this update eliminate the requirement to disclose the fair value of financial instruments measured at amortized cost for entities that are not public business entities and the requirement to disclose the method(s) and significant assumptions used to estimate the fair value that is required to be disclosed for financial instruments measured at amortized cost on the balance sheet for public business entities. The Company adopted this amended guidance in the first quarter of 2018 and the adoption did not have a material impact on the Company’s consolidated financial statements.

In February 2016, the FASB issued a revised standard on lease accounting. Lessees will need to recognize virtually all of their leases with a term longer than 12 months on the balance sheet, by recording a right-of-use (“ROU”) asset and lease liability. The revised standard requires additional analysis of the components of a transaction to determine if a right-of-use asset is embedded in the transaction that needs to be treated as a lease. Substantial additional disclosures are also required by the revised standard. The revised standard is effective for the Company for fiscal years beginning after December 31, 2018, including the interim periods within those fiscal years. A modified retrospective transition approach which requires a cumulative-effect adjustment to the opening balance of retained earnings on the effective date is required for leases existing at, or entered into after, the effective date, with certain practical expedients available. The Company expects to use certain practical expedients that will allow it to elect to not reassess: i) whether expired or existing contracts contain leases under the new definition of a lease; ii) lease classification for expired or existing leases; and iii) whether previously capitalized initial direct costs would qualify for capitalization under Topic 842. The Company does not expect that this standard will have a material effect on its consolidated financial statements. The Company has a process in place to analyze the impact of the standard, and the related guidance issued, on all leases throughout the Company. This process includes reviewing all active leases with terms greater than 12 months, which have been identified. The most significant impact of the new standard will be the recognition of new ROU assets and lease liabilities for real estate, office equipment and vehicle operating leases. Upon adoption, the Company will recognize operating lease liabilities with corresponding ROU assets calculated based on the present value of the remaining minimum rental payments for existing operating leases. The Company expects to complete its evaluations of the impacts of the accounting and disclosure requirements on its business processes, controls and systems by the end of 2018.

In October 2016, the FASB issued guidance that requires an entity to recognize the income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs. The amendments are effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2017, and should be applied on a modified retrospective basis through a cumulative-effect adjustment directly to retained earnings at the beginning of the period of adoption. The Company adopted this guidance in the first quarter of 2018 and the adoption did not have a material impact on the Company’s consolidated financial statements.

In January 2017, the FASB issued amended guidance that eliminates the requirement to determine the fair value of individual assets and liabilities of a reporting unit to measure goodwill impairment. Under the amendments in the new guidance, goodwill impairment testing will be performed by comparing the fair value of the reporting unit with its carrying amount and recognizing an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value. The new standard is effective for annual and interim goodwill impairment tests in fiscal years beginning after December 15, 2019, and should be applied on a prospective basis. Early adoption is permitted for annual or interim goodwill impairment testing performed after January 1, 2017. The Company elected to early adopt for goodwill impairment testing starting in the third quarter of 2018.

In March 2017, the FASB issued final guidance on the presentation of net periodic pension and postretirement benefit cost (net benefit cost). Previously, net benefit cost was reported as an employee cost within operating income. This new guidance requires the bifurcation of net periodic pension and postretirement benefit costs. Service cost will be part of operating income (and is the only piece eligible to be capitalized). All other components will be shown outside of operations. The new standard is effective for annual and interim periods in fiscal years beginning after December 15, 2017, and should be applied on a retrospective basis, except for the amendments related to capitalization of benefit cost, which should be applied on a prospective basis. The Company adopted this amended guidance in the first quarter of 2018 by separately presenting “Pension and postretirement benefits” expense in its consolidated statements of income.

In August 2017, the FASB issued amended guidance on the accounting for hedging activities. The amended guidance makes more hedging strategies qualify for hedge accounting. After initial qualification, the amended guidance permits a qualitative effectiveness assessment for certain hedges instead of a quantitative test, if the company can reasonably support an expectation of effectiveness throughout the term of the hedge. The amended guidance is effective for annual and interim periods beginning after January 1, 2019, but may be adopted immediately. The adoption should be on a cumulative effect basis and applied prospectively. The Company is currently evaluating the amended guidance but does not expect there to be an impact of adopting this guidance on the Company’s consolidated financial statements.

Impairment (Notes)

9 Months Ended

Sep. 30, 2018

Impairment [Abstract]

Impairment

15.

The Company assesses goodwill for impairment on an annual basis at a minimum (December 1st of each year) or when events or circumstances indicate that the carrying value may not be recoverable. Goodwill is assessed for impairment at the reporting unit level. Tredegar’s reporting units with goodwill are the Personal Care and Surface Protection operating divisions of PE Films and the AACOA and Futura operating divisions of Aluminum Extrusions. The Company estimates the fair value of its reporting units using discounted cash flow analysis and comparative enterprise value-to-EBITDA multiples.

The operations of PE Films have been adversely impacted by a customer transition to alternative suppliers and materials, resulting in the expected loss of business of approximately $70 million annually when the transitions are implemented, which may occur by the end of 2019. Based on an evaluation of projections under various business planning scenarios, the Company concluded that the value of the Personal Care component of PE Films was less than the carrying value of underlying working capital and long-lived net assets. Accordingly, a goodwill impairment charge of $46.8 million ($38.2 million after taxes) was recognized in PE Films in the third quarter of 2018. This impairment charge represents the entire amount of goodwill associated with the Personal Care component. The goodwill of Surface Protection, AACOA and Futura will be tested for impairment at the annual testing date unless there is an indicator of impairment identified at an earlier date.

Acquisitions (Tables)

9 Months Ended

Sep. 30, 2018

Business Acquisition [Line Items]

Schedule Of Purchase Price Allocation

Based upon management’s valuation of the fair value of tangible and intangible assets acquired (net of cash acquired) and liabilities assumed, the allocation of the purchase price was as follows:



(In Thousands)
Accounts receivable	$	6,680
Inventories	10,342
Prepaid expenses and other current assets	240
Property, plant & equipment	32,662
Identifiable intangible assets:
Customer relationships	24,000
Trade names	6,700
Trade payables & accrued expenses	(8,135		)
Total identifiable net assets	72,489
Adjusted Net Purchase Price	82,860
Goodwill	$	10,371

Plants Shutdowns, Asset Impairments, Restructurings And Other (Tables)

9 Months Ended

Sep. 30, 2018

Restructuring Charges [Abstract]

Schedule Of Accrued Expenses Associated With Asset Impairments And Exit And Disposal Activities



(In thousands)	Severance ^(a)			Asset Impairments			Other ^(b)			Total
Balance at January 1, 2018	$	627		$	—		$	476		$	1,103
Changes in 2018:
Charges	1,871			—			20			1,891
Cash spent	(933		)	—			(310		)	(1,243		)
Charges against assets	—			92			—			92
Reversed to income				(92		)				(92		)
Balance at September 30, 2018	$	1,565		$	—		$	186		$	1,751
(a) Severance cash spent includes severance payments associated with the consolidation of North American PE Films manufacturing facilities. (b) Other primarily includes other restructuring costs associated with Aluminum Extrusions.

Inventories (Tables)

9 Months Ended

Sep. 30, 2018

Inventory, Net [Abstract]

Schedule of Inventory, Current

The components of inventories are as follows:



	September 30,		December 31,
(In thousands)	2018		2017
Finished goods	$	24,632	$	20,281
Work-in-process	12,046		11,958
Raw materials	36,607		35,909
Stores, supplies and other	19,515		18,759
Total	$	92,800	$	86,907

Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

Diluted earnings (loss) per share is computed by dividing net income (loss) by the weighted average common and potentially dilutive common equivalent shares outstanding, determined as follows:



	Three Months Ended		Nine Months Ended
	September 30,		September 30,
(In thousands)	2018	2017	2018	2017
Weighted average shares outstanding used to compute basic (loss) earnings per share	33,110	32,954	33,056	32,945
Incremental dilutive shares attributable to stock options and restricted stock	—	—	—	7
Shares used to compute diluted earnings (loss) per share	33,110	32,954	33,056	32,952

Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2018

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 nine months ended September 30, 2018:



(In thousands)	Foreign currency translation adjustment			Gain (loss) on derivative financial instruments			Pension and other post-retirement benefit adjustments			Total
Beginning balance, January 1, 2018	$	(86,178	)	$	459		$	(90,950	)	$	(176,669	)
Other comprehensive income (loss) before reclassifications	(11,571		)	(3,045		)	—			(14,616		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			154			7,926			8,080
Net other comprehensive income (loss) - current period	(11,571		)	(2,891		)	7,926			(6,536		)
Ending balance, September 30, 2018	$	(97,749	)	$	(2,432	)	$	(83,024	)	$	(183,205	)

The following table summarizes the after-tax changes in accumulated other comprehensive income (loss) for the nine months ended September 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	9,817			817			—			10,634
Amounts reclassified from accumulated other comprehensive income (loss)	—			(529		)	5,754			5,225
Net other comprehensive income (loss) - current period	9,817			288			5,754			15,859
Ending balance, September 30, 2017	$	(84,153	)	$	1,151		$	(84,373	)	$	(167,375	)

Schedule Of Reclassifications Of Balances Out Of Accumulated Other Comprehensive Income (Loss) Into Net Income



(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	$	300		Cost of sales
Foreign currency forward contracts, before taxes	(807		)	Selling, general & administrative
Foreign currency forward contracts, before taxes	15			Cost of sales
Total, before taxes	(492		)
Income tax expense (benefit)	23			Income taxes
Total, net of tax	$	(515	)
Amortization of pension and other post-retirement benefits:
Actuarial gain (loss) and prior service costs, before taxes	$	(3,492	)	(a)
Income tax expense (benefit)	(789		)	Income taxes
Total, net of tax	$	(2,703	)


(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, 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 (loss)
Gain (loss) on derivative financial instruments:
Aluminum future contracts, before taxes	$	1,244		Cost of sales
Foreign currency forward contracts, before taxes	(1,226		)	Selling, general & administrative
Foreign currency forward contracts, before taxes	46			Cost of sales
Total, before taxes	64
Income tax expense (benefit)	218			Income taxes
Total, net of tax	$	(154	)
Amortization of pension and other post-retirement benefits:
Actuarial gain (loss) and prior service costs, before taxes	$	(10,238	)	(a)
Income tax expense (benefit)	(2,312		)	Income taxes
Total, net of tax	$	(7,926	)


(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, 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	$	231		Cost of sales
Foreign currency forward contracts, before taxes	15			Cost of sales
Total, before taxes	246
Income tax expense (benefit)	90			Income taxes
Total, net of tax	$	156
Amortization of pension and other post-retirement benefits:
Actuarial gain (loss) and prior service costs, before taxes	$	(2,911	)	(a)
Income tax expense (benefit)	(1,057		)	Income taxes
Total, net of tax	$	(1,854	)


(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, 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	$	785		Cost of sales
Foreign currency forward contracts, before taxes	46			Cost of sales
Total, before taxes	831
Income tax expense (benefit)	302			Income taxes
Total, net of tax	$	529
Amortization of pension and other post-retirement benefits:
Actuarial gain (loss) and prior service costs, before taxes	$	(9,033	)	(a)
Income tax expense (benefit)	(3,279		)	Income taxes
Total, net of tax	$	(5,754	)


(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).

Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2018

Derivatives, Fair Value [Line Items]

Schedule Of Pretax Effect On Net Income (Loss) And Other Comprehensive Income (Loss) Of Derivative Instruments Classified As Cash Flow Hedges



(In thousands)	Cash Flow Derivative Hedges
	Three Months Ended September 30,
	Aluminum Futures Contracts					Foreign Currency Forwards
	2018			2017		2018		2018			2017
Amount of pretax gain (loss) recognized in other comprehensive income (loss)	$	(1,176	)	$	757	$	—	$	(1,353	)	$	—
Location of gain (loss) reclassified from accumulated other comprehensive income (loss) into net income (effective portion)	Cost of sales			Cost of sales		Cost of sales		Selling, general & admin			Cost of sales
Amount of pretax gain (loss) reclassified from accumulated other comprehensive income (loss) to net income effective portion)	$	300		$	231	$	15	$	(807	)	$	15
	Nine Months Ended September 30,
	Aluminum Futures Contracts					Foreign Currency Forwards
	2018			2017		2018		2018			2017
Amount of pre-tax gain (loss) recognized in other comprehensive income (loss)	$	(111	)	$	1,281	$	—	$	(3,032	)	$	—
Location of gain (loss) reclassified from accumulated other comprehensive income (loss) into net income (effective portion)	Cost of sales			Cost of sales		Cost of sales		Selling, general & admin			Cost of sales
Amount of pre-tax gain (loss) reclassified from accumulated other comprehensive income (loss) to net income (effective portion)	$	1,244		$	785	$	46	$	(1,226	)	$	46

Aluminum Futures Contracts

Derivatives, Fair Value [Line Items]

Summary Of Location And Fair Value Of Derivative Financial Instruments

The table below summarizes the location and gross amounts of aluminum futures contract fair values (Level 2) in the consolidated balance sheets as of September 30, 2018 and December 31, 2017:



	September 30, 2018				December 31, 2017
(In thousands)	Balance Sheet Account	Fair Value			Balance Sheet Account	Fair Value
Derivatives Designated as Hedging Instruments
Asset derivatives: Aluminum futures contracts	Accrued Expenses	$	201		Prepaid expenses and other	$	578
Liability derivatives: Aluminum futures contracts	Accrued Expenses	(994		)	Prepaid expenses and other	$	(16	)
Net asset (liability)		$	(793	)		$	562

Derivative Financial Instruments Foreign Currency Forward Contracts Table (Tables)

9 Months Ended

Sep. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments and Hedging Activities Disclosure [Text Block]

The table below summarizes the location and gross amounts of foreign currency forward contract fair values (Level 2) in the consolidated balance sheets as of September 30, 2018 and December 31, 2017:



	September 30, 2018				December 31, 2017
(In Thousands)	Balance Sheet Account	Fair Value			Balance Sheet Account	Fair Value
Derivatives Designated as Hedging Instruments
Asset derivatives: Foreign currency forward contracts	Accrued Expenses	$	—		Accrued Expenses	$	—
Liability derivatives: Foreign currency forward contracts	Accrued Expenses	(2,687		)	Accrued Expenses	(558		)
Net asset (liability)		$	(2,687	)		$	(558	)

The table below summarizes the location and gross amounts of aluminum futures contract fair values (Level 2) in the consolidated balance sheets as of September 30, 2018 and December 31, 2017:



	September 30, 2018				December 31, 2017
(In thousands)	Balance Sheet Account	Fair Value			Balance Sheet Account	Fair Value
Derivatives Designated as Hedging Instruments
Asset derivatives: Aluminum futures contracts	Accrued Expenses	$	201		Prepaid expenses and other	$	578
Liability derivatives: Aluminum futures contracts	Accrued Expenses	(994		)	Prepaid expenses and other	$	(16	)
Net asset (liability)		$	(793	)		$	562

The table below summarizes the location and gross amounts of foreign currency forward contract fair values (Level 2) in the consolidated balance sheets as of September 30, 2018 and December 31, 2017:



	September 30, 2018				December 31, 2017
(In Thousands)	Balance Sheet Account	Fair Value			Balance Sheet Account	Fair Value
Derivatives Designated as Hedging Instruments
Asset derivatives: Foreign currency forward contracts	Accrued Expenses	$	—		Accrued Expenses	$	—
Liability derivatives: Foreign currency forward contracts	Accrued Expenses	(2,687		)	Accrued Expenses	(558		)
Net asset (liability)		$	(2,687	)		$	(558	)



USD Notional Amount (000s)	Average Forward Rate Contracted on USD/BRL	R$ Equivalent Amount (000s)	Applicable Month	Estimated % of Terphane Ltda. R$ Operating Cost Exposure Hedged
$2,250	3.4801	R$7,830	Oct-18	78%
$2,250	3.4887	R$7,850	Nov-18	81%
$2,250	3.4969	R$7,868	Dec-18	83%
$2,025	3.6442	R$7,380	Jan-19	73%
$2,025	3.6527	R$7,397	Feb-19	75%
$2,025	3.6593	R$7,410	Mar-19	70%
$2,025	3.6690	R$7,430	Apr-19	72%
$2,025	3.6795	R$7,451	May-19	73%
$2,025	3.6904	R$7,473	Jun-19	72%
$1,800	3.8826	R$6,989	Jul-19	65%
$1,800	3.8950	R$7,011	Aug-19	68%
$1,800	3.9070	R$7,033	Sep-19	66%
$1,800	3.9203	R$7,056	Oct-19	67%
$1,800	3.9331	R$7,080	Nov-19	67%
$1,800	3.9455	R$7,102	Dec-19	73%
$29,700	3.7158	R$110,358		72%



(In thousands)	Cash Flow Derivative Hedges
	Three Months Ended September 30,
	Aluminum Futures Contracts					Foreign Currency Forwards
	2018			2017		2018		2018			2017
Amount of pretax gain (loss) recognized in other comprehensive income (loss)	$	(1,176	)	$	757	$	—	$	(1,353	)	$	—
Location of gain (loss) reclassified from accumulated other comprehensive income (loss) into net income (effective portion)	Cost of sales			Cost of sales		Cost of sales		Selling, general & admin			Cost of sales
Amount of pretax gain (loss) reclassified from accumulated other comprehensive income (loss) to net income effective portion)	$	300		$	231	$	15	$	(807	)	$	15
	Nine Months Ended September 30,
	Aluminum Futures Contracts					Foreign Currency Forwards
	2018			2017		2018		2018			2017
Amount of pre-tax gain (loss) recognized in other comprehensive income (loss)	$	(111	)	$	1,281	$	—	$	(3,032	)	$	—
Location of gain (loss) reclassified from accumulated other comprehensive income (loss) into net income (effective portion)	Cost of sales			Cost of sales		Cost of sales		Selling, general & admin			Cost of sales
Amount of pre-tax gain (loss) reclassified from accumulated other comprehensive income (loss) to net income (effective portion)	$	1,244		$	785	$	46	$	(1,226	)	$	46

Pension And Other Post-Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2018

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule Of Components Of Net Periodic Benefit Cost For Pension And Other Post-Retirement Benefit Programs

The components of net periodic benefit cost for the pension and other post-retirement benefit programs reflected in the consolidated statements of income are shown below:



	Pension Benefits						Other Post-Retirement Benefits
	Three Months Ended September 30,						Three Months Ended September 30,
(In thousands)	2018			2017			2018			2017
Service cost	$	7		$	29		$	7		$	7
Interest cost	2,818			3,103			65			73
Expected return on plan assets	(3,736		)	(3,743		)	—			—
Amortization of prior service costs, (gains) losses and net transition asset	3,565			2,996			(75		)	(84		)
Net periodic benefit cost	$	2,654		$	2,385		$	(3	)	$	(4	)
	Pension Benefits						Other Post-Retirement Benefits
	Nine Months Ended September 30,						Nine Months Ended September 30,
	2018			2017			2018			2017
Service cost	$	17		$	145		$	27		$	25
Interest cost	8,582			9,431			203			226
Expected return on plan assets	(11,258		)	(11,216		)	—			—
Amortization of prior service costs, (gains) losses and net transition asset	10,421			9,241			(183		)	(207		)
Net periodic benefit cost	$	7,762		$	7,601		$	47		$	44

Other Income (Expense), Net Other Income (Expense), Net Summary Table (Tables)

9 Months Ended

Sep. 30, 2018

Other Income and Expenses [Abstract]

Schedule of Other Nonoperating Income (Expense) [Table Text Block]



	Three Months Ended September 30,					Nine Months Ended September 30,
(In thousands)	2018			2017		2018			2017
Gain (loss) on investment in kaléo accounted for under fair value method	$	(2,100	)	$	—	$	11,900		$	24,800
Gain associated with the settlement of an escrow agreement	—			—		—			11,856
Other	(457		)	34		(368		)	1,399
Total	$	(2,557	)	$	34	$	11,532		$	38,055

Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Schedule Of Segment Reporting Information By Segment

The following table presents net sales and operating profit by segment for the three and nine months ended September 30, 2018 and 2017:



	Three Months Ended September 30,						Nine Months Ended September 30,
(In thousands)	2018			2017			2018			2017
Net Sales
PE Films	$	76,470		$	89,723		$	252,177		$	265,773
Flexible Packaging Films	33,725			26,628			90,466			79,925
Aluminum Extrusions	147,661			122,149			420,455			344,956
Total net sales	257,856			238,500			763,098			690,654
Add back freight	9,438			8,621			26,667			24,840
Sales as shown in the Consolidated Statements of Income	$	267,294		$	247,121		$	789,765		$	715,494
Operating Profit (Loss)
PE Films:
Ongoing operations	$	4,145		$	11,251		$	26,857		$	30,965
Plant shutdowns, asset impairments, restructurings and other	(2,355		)	(919		)	(4,542		)	(3,890		)
Goodwill impairment charge	(46,792		)	—			(46,792		)	—
Flexible Packaging Films:
Ongoing operations	3,609			(1,074		)	6,617			(3,392		)
Plant shutdowns, asset impairments, restructurings and other	—			—			—			11,856
Aluminum Extrusions:
Ongoing operations	11,730			12,601			35,086			34,201
Plant shutdowns, asset impairments, restructurings and other	(297		)	(377		)	(396		)	(3,147		)
Total	(29,960		)	21,482			16,830			66,593
Interest income	6			42			290			171
Interest expense	1,318			1,757			4,539			4,579
Gain (loss) on investment in kaléo accounted for under fair value method	(2,100		)	—			11,900			24,800
Unrealized loss on investment property	(186		)	—			(186		)	—
Stock option-based compensation costs	415			111			806			153
Corporate expenses, net	6,926			6,960			21,668			20,985
Income (loss) before income taxes	(40,899		)	12,696			1,821			65,847
Income taxes (benefit)	(6,699		)	4,422			3,135			9,667
Net income (loss)	$	(34,200	)	$	8,274		$	(1,314	)	$	56,180

Schedule Of Identifiable Assets By Segment

The following table presents identifiable assets by segment at September 30, 2018 and December 31, 2017:



(In thousands)	September 30, 2018		December 31, 2017
PE Films	$	231,106	$	289,514
Flexible Packaging Films	53,661		49,915
Aluminum Extrusions	277,810		268,127
Subtotal	562,577		607,556
General corporate	91,583		111,696
Cash and cash equivalents	36,776		36,491
Total	$	690,936	$	755,743

Segment Reporting Net Sales by Geographic Area Table (Tables) 1

9 Months Ended

Sep. 30, 2018

Disaggregation of Revenue [Line Items]

Revenue from Contract with Customer [Text Block]

The following tables disaggregate the Company’s revenue by geographic area and product group for the three and nine months ended September 30, 2018 and 2017:



Net Sales by Geographic Area (b)
	Three Months Ended September 30,				Nine Months Ended September 30,
(In thousands)	2018		2017		2018		2017^(c)
United States	$	176,022	$	150,154	$	506,769	$	434,766
Exports from the United States to:
Asia	14,893		21,507		57,370		61,394
Canada	13,451		11,253		40,988		35,855
Europe	1,608		2,193		5,127		6,826
Latin America	3,104		3,841		9,810		11,562
Operations outside the United States:
Brazil	26,591		22,030		73,402		64,682
The Netherlands	11,428		15,691		34,750		41,378
Hungary	7,987		6,331		25,324		17,660
China	2,376		3,061		6,342		9,176
India	396		2,439		3,216		7,355
Total (a)	$	257,856	$	238,500	$	763,098	$	690,654

Disaggregation of Revenue [Table Text Block]



Net Sales by Product Group
	Three Months Ended September 30,		Nine Months Ended September 30,
(In thousands)	2018	2017	2018	2017^(c)
PE Films:
Personal care materials	57,356	63,574	174,985	187,661
Surface protection films	17,193	24,368	71,926	72,805
LED lighting products & other films	1,921	1,781	5,266	5,307
Subtotal	76,470	89,723	252,177	265,773
Flexible Packaging Films	33,725	26,628	90,466	79,925
Aluminum Extrusions:
Nonresidential building & construction	75,870	63,187	213,500	177,534
Consumer durables	14,991	14,105	47,300	39,871
Distribution	9,148	7,182	32,109	23,024
Automotive	13,205	9,682	33,992	29,947
Residential building & construction	11,163	10,327	32,976	29,855
Machinery & equipment	11,191	8,430	30,335	23,975
Electrical	12,093	9,236	30,243	20,750
Subtotal	147,661	122,149	420,455	344,956
Total (a)	257,856	238,500	763,098	690,654

Segment Reporting Net Sales by Product Group Table (Tables)

9 Months Ended

Sep. 30, 2018

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue [Table Text Block]



Net Sales by Product Group
	Three Months Ended September 30,		Nine Months Ended September 30,
(In thousands)	2018	2017	2018	2017^(c)
PE Films:
Personal care materials	57,356	63,574	174,985	187,661
Surface protection films	17,193	24,368	71,926	72,805
LED lighting products & other films	1,921	1,781	5,266	5,307
Subtotal	76,470	89,723	252,177	265,773
Flexible Packaging Films	33,725	26,628	90,466	79,925
Aluminum Extrusions:
Nonresidential building & construction	75,870	63,187	213,500	177,534
Consumer durables	14,991	14,105	47,300	39,871
Distribution	9,148	7,182	32,109	23,024
Automotive	13,205	9,682	33,992	29,947
Residential building & construction	11,163	10,327	32,976	29,855
Machinery & equipment	11,191	8,430	30,335	23,975
Electrical	12,093	9,236	30,243	20,750
Subtotal	147,661	122,149	420,455	344,956
Total (a)	257,856	238,500	763,098	690,654

Income Taxes (Tables)

9 Months Ended

Sep. 30, 2018

Income Tax Disclosure [Abstract]

Schedule Of Effective Income Tax Rate For Continuing Operations

he significant differences between the U.S. federal statutory rate and the effective income tax rate for the nine months ended September 30, 2018 and 2017 are as follows:



(In thousands, except percentages)	2018					2017
Nine Months Ended September 30,	Amount			%		Amount			%
Income tax expense at federal statutory rate	$	383		21.0		$	23,047		35.0
Goodwill impairment charge	1,788			98.2		—			—
Foreign rate differences	1,159			63.6		1,022			1.5
U.S. Tax on Foreign Branch Income	953			52.3		—			—
Tax contingency accruals and tax settlements	480			26.4		(284		)	(0.4	)
Valuation allowance for capital loss carry-forwards	245			13.4		(25		)	—
Non-deductible expenses	230			12.6		368			0.5
Valuation allowance due to foreign losses and impairments	185			10.1		272			0.4
Stock-based compensation	173			9.5		192			0.3
State taxes, net of federal income tax benefit	87			4.8		866			1.3
Unremitted earnings from foreign operations	—			—		117			0.2
Domestic production activities deduction	—			—		(610		)	(0.9	)
Remitted earnings from foreign operations	—			—		(413		)	(0.6	)
Increase in value of kaléo investment held abroad	—			—		(2,326		)	(3.5	)
Settlement of Terphane acquisition escrow	—			—		(4,200		)	(6.4	)
Worthless stock deduction	—			—		(8,057		)	(12.2	)
Research and development tax credit	(318		)	(17.4	)	(458		)	(0.7	)
Changes in estimates related to prior year tax provision	(414		)	(22.7	)	156			0.2
Foreign Derived Intangible Income (FDII)	(472		)	(25.9	)	—			—
Foreign tax incentives	(1,344		)	(73.8	)	—			—
Effective income tax rate	$	3,135		172.1		$	9,667		14.7

Basis Of Presentation Revenue Recognition Disclosures (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Gross, Current	$ 125,985	$ 113,556
Other Receivables	5,147	9,883
Accounts Receivable, Gross	131,132	123,439
Allowance for Doubtful Accounts, Premiums and Other Receivables	(5,764)	(3,304)
Receivables, Net, Current	$ 125,368	$ 120,135

Basis Of Presentation Accounts Receivables Table (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts and other receivables, net of allowance for doubtful accounts and sales returns of $5,764 in 2018 and $3,304 in 2017	$ 125,368	$ 120,135

Acquisitions (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
Acquisitions (Narrative) (Details) - USD ($) $ in Thousands	Feb. 15, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Business Acquisition [Line Items]
Payment for Contingent Consideration Liability, Investing Activities				$ (4,250)
Sales		$ 257,856	$ 238,500	763,098	$ 690,654
Payments to Acquire Property, Plant, and Equipment				$ 25,078	$ 37,245
Effective Income Tax Rate Reconciliation, Percent				172.10%	14.70%
Futura Industries [Member]
Business Acquisition [Line Items]
Business Combination Contract Price	$ 92,000
Business Combination, Consideration Transferred	87,000
Business Combination, Contingent Consideration, Asset, Current				$ 5,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset					$ 700
Business Combinations Purchase Price Allocated Net of Contingent Consideration	$ 82,860
Payment for Contingent Consideration Liability, Investing Activities				4,300
Tax Recovery Life of Goodwill for Amortization	15 years
Percentage of outstanding equity interests acquired	100.00%
Goodwill, Purchase Accounting Adjustments			100
Aluminum Extrusions
Business Acquisition [Line Items]
Sales		147,661	122,149	420,455	344,956
Income Loss From Ongoing Operations		$ 11,730	$ 12,601	$ 35,086	$ 34,201
Customer Relationships [Member] \| Futura Industries [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	12 years
Trade Names [Member] \| Futura Industries [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	13 years

Acquisitions (Schedule Of Purchase Price Allocation) (Details) - USD ($) $ in Thousands	Feb. 15, 2017	Sep. 30, 2018	Dec. 31, 2017
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]
Goodwill		$ 81,404	$ 128,208
Futura Industries [Member]
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]
Accounts receivable	$ 6,680
Inventories	10,342
Property, plant & equipment	32,662
Total identifiable net assets	72,489
Prepaid Expense and Other Assets	240
Current Liabilities	(8,135)
Business Combination, Consideration Transferred	82,860
Futura Industries [Member] \| Goodwill [Member]
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]
Goodwill	10,371
Futura Industries [Member] \| Customer relationships
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]
Identifiable finite-lived intangible assets	24,000
Futura Industries [Member] \| Trade Names [Member]
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]
Identifiable finite-lived intangible assets	$ 6,700

Plants Shutdowns, Asset Impairments, Restructurings And Other (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		19 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2019	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	178,676	479,651	236,138	386,729
Payments to Acquire Property, Plant, and Equipment			$ 25,078	$ 37,245
Production LIne Start-up and Ramp-up Costs	$ 200	$ 700	1,700	3,500
Asset impairments and costs associated with exit and disposal activities, net of adjustments	1,209	361	1,799	653
Income (loss) before income taxes	(40,899)	12,696	1,821	65,847
(Gain)/loss on asset impairments and divestitures			185	50
Other Non-Operating and Non-Recurring Charges [Abstract]
Unrealized gain (loss) on investment under fair value method			11,900	24,800
Cost-method investment, OTTI	186	0	186
Gain (Loss) on Disposition of Assets			(86)	412
Payments for Restructuring			1,243
Goodwill, Impairment Loss	46,792	0	46,792	0
Restructuring Reserve	1,751		1,751			$ 1,103
kaleo
Other Non-Operating and Non-Recurring Charges [Abstract]
Unrealized gain (loss) on investment under fair value method	(2,100)	0	11,900	24,800
Unrealized gain (loss) on investment under fair value method, after taxes	(1,600)		9,300	18,200
Futura Industries [Member]
Restructuring Cost and Reserve [Line Items]
Net Business Combination Acquisition, Integration Costs and Other Related Costs				3,300
Business Combination, Inventory FV Adj				1,700
Business Combination, Acquisition Related Costs				1,500
Business Combination, Integration Related Costs				100
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset				(700)
Terphane Ltda [Member]
Restructuring Cost and Reserve [Line Items]
Professional Fees	400		700
Aluminum Extrusions Manufacturing Facility In Carthage Tennessee [Member] [Member]
Restructuring Cost and Reserve [Line Items]
Environmental Remediation Expense	200		200
Elkhart Plant Roof Damage - SGA	100		100
Harbinger Capital Partners Special Situations Fund L P [Member]
Other Non-Operating and Non-Recurring Charges [Abstract]
Cost-method investment, OTTI	200		300
Flexible Packaging Films [Member]
Restructuring Cost and Reserve [Line Items]
Businesss Combination Settlement of Escrow Account	0	0	0	(11,900)
Loss Contingency, Estimate of Possible Loss	1,000		1,000
Corporate [Member] [Domain]
Restructuring Cost and Reserve [Line Items]
Pretax charges for severance and other employee-related costs				300
PE Films
Restructuring Cost and Reserve [Line Items]
Production LIne Start-up and Ramp-up Costs		600		3,000
Pretax charges for severance and other employee-related costs	200	100	300	100
Other Non-Operating and Non-Recurring Charges [Abstract]
Plant shutdowns, asset impairments, restructurings and other	(2,355)	(919)	(4,542)	(3,890)
Flexible Packaging Films [Member] [Domain]
Other Non-Operating and Non-Recurring Charges [Abstract]
Plant shutdowns, asset impairments, restructurings and other	0	0	0	11,856
Aluminum Extrusions
Restructuring Cost and Reserve [Line Items]
Production LIne Start-up and Ramp-up Costs		100		500
Cast House Explosion pretax income				500
Cast House Explosion Excess Production Costs				600
Loss from Catastrophes				100
Other Non-Operating and Non-Recurring Charges [Abstract]
Plant shutdowns, asset impairments, restructurings and other	(297)	(377)	(396)	(3,147)
Corporate Segment [Member]
Restructuring Cost and Reserve [Line Items]
Pretax charges for severance and other employee-related costs				400
Severance (a)
Other Non-Operating and Non-Recurring Charges [Abstract]
Payments for Restructuring			933
Restructuring Reserve	1,565		1,565			$ 627
Personal Care Materials [Member] \| PE Films
Other Non-Operating and Non-Recurring Charges [Abstract]
Goodwill, Impairment Loss	46,800
Aluminum Extrusions Manufacturing Facility In Kentland Indiana [Member] \| Facility Closing \| Aluminum Extrusions
Restructuring Cost and Reserve [Line Items]
Plant shutdown related expenditures		200		200
Film Products Manufacturing Facility In Shanghai, China [Member] \| Other Restructuring [Member] \| PE Films
Restructuring Cost and Reserve [Line Items]
Asset Impairment And Costs Associated With Exit And Disposal Activities	1,700		2,400
Asset impairments and costs associated with exit and disposal activities, net of adjustments	1,000		1,500
Asset Impairment And Costs Associated With Exit And Disposal Activities - Cost of Goods Sold	700		900
Plant Shutdown Related Expenditures Gross			200
Pretax charges for severance and other employee-related costs	1,300		1,700		$ 3,600
Accelerated Depreciation Expense	400		500		900
Restructuring and Disposal Activities - Anticipated Cash Cost Savings					1,700
Other Restructuring Costs					2,400
Other Plant Consolidation Expenses - Cost of Goods Sold					1,100
Other Non-Operating and Non-Recurring Charges [Abstract]
Restructuring, Settlement and Impairment Provisions					$ 7,100
Payments for Restructuring	100
Restructuring and Related Cost, Accelerated Depreciation			400
Aluminum Extrusions Manufacturing Facility In Carthage Tennessee [Member] [Member] \| Aluminum Extrusions
Restructuring Cost and Reserve [Line Items]
Business Development Expenses		200		1,100
Other Non-Operating and Non-Recurring Charges [Abstract]
Environmental Exit Costs, Anticipated Cost				400
Alleghany and Bath County, Virginia [Member]
Other Non-Operating and Non-Recurring Charges [Abstract]
Cost-method investment, OTTI				0
Impairment of Real Estate	$ 200
FilmProductsManufacturingFacilityInLakeZurichIllinois [Member] \| Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Tangible Asset Impairment Charges				100
Restructuring Costs and Asset Impairment Charges		$ 200		800
Pretax charges for severance and other employee-related costs				100
Accelerated Depreciation Expense				200
Other Restructuring Costs				$ 500
Pension Plan [Member]
Restructuring Cost and Reserve [Line Items]
Defined Benefit Plan Estimated Required Future Employer Contributions In Current Fiscal Year			$ 8,400

Plants Shutdowns, Asset Impairments, Restructurings And Other (Schedule Of Accrued Expenses Associated With Asset Impairments And Exit And Disposal Activities) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		19 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2019
Restructuring Reserve [Roll Forward]
January 1, 2018			$ 1,103
Charges			1,891
Cash spent			(1,243)
Charges against assets			92
September 30, 2018	$ 1,751		1,751
Restructuring Reserve, Accrual Adjustment			(92)
Severance (a)
Restructuring Reserve [Roll Forward]
January 1, 2018			627
Charges			1,871
Cash spent			(933)
September 30, 2018	1,565		1,565
Long Lived Asset Impairment [Member]
Restructuring Reserve [Roll Forward]
January 1, 2018			0
Charges			0
Cash spent			0
Charges against assets			92
September 30, 2018	0		0
Restructuring Reserve, Accrual Adjustment			(92)
Other
Restructuring Reserve [Roll Forward]
January 1, 2018			476
Charges			20
Cash spent			(310)
Charges against assets			0
September 30, 2018	186		186
PE Films
Restructuring Cost and Reserve [Line Items]
Severance Costs	200	$ 100	300	$ 100
PE Films \| Film Products Manufacturing Facility In Shanghai, China [Member] \| Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Severance Costs	1,300		$ 1,700		$ 3,600
Restructuring Reserve [Roll Forward]
Cash spent	(100)
Severance Costs - Cost of Goods Sold	$ 200

Inventories (Schedule Of Components Of Inventories) (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Inventory, Net [Abstract]
Finished goods	$ 24,632	$ 20,281
Work-in-process	12,046	11,958
Raw materials	36,607	35,909
Stores, supplies and other	19,515	18,759
Total	$ 92,800	$ 86,907

Earnings Per Share (Narrative) (Details) - shares	3 Months Ended		9 Months Ended
Earnings Per Share (Narrative) (Details) - shares	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Earnings Per Share [Abstract]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	178,676	479,651	236,138	386,729

Earnings Per Share (Schedule Of Calculation Of Numerator And Denominator In Earnings Per Share) (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Earnings Per Share [Abstract]
Weighted average shares outstanding used to compute basic (loss) earnings per share	33,110	32,954	33,056	32,945
Incremental dilutive shares attributable to stock options and restricted stock	0	0	0	7
Shares used to compute diluted earnings (loss) per share	33,110	32,954	33,056	32,952

Accumulated Other Comprehensive Income (Loss) (Schedule Of After-Tax Changes In Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]
Selling, general and administrative	$ 20,676	$ 20,718	$ 63,452	$ 61,852
Beginning of Period			(176,669)	(183,234)
Other comprehensive income (loss) before reclassifications			(14,616)	10,634
Amounts reclassified from accumulated other comprehensive income (loss)			8,080	5,225
Net other comprehensive income (loss) - current period	(1,664)	9,323	(6,536)	15,859
End of Period	(183,205)	(167,375)	(183,205)	(167,375)
Income (loss) before income taxes	(40,899)	12,696	1,821	65,847
Income Tax Expense (Benefit)	(6,699)	4,422	3,135	9,667
Net income	(34,200)	8,274	(1,314)	56,180
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning of Period			(86,178)	(93,970)
Other comprehensive income (loss) before reclassifications			(11,571)	9,817
Amounts reclassified from accumulated other comprehensive income (loss)			0	0
Net other comprehensive income (loss) - current period			(11,571)	9,817
End of Period	(97,749)	(84,153)	(97,749)	(84,153)
Gain (Loss) on Derivative Financial Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning of Period			459	863
Other comprehensive income (loss) before reclassifications			(3,045)	817
Amounts reclassified from accumulated other comprehensive income (loss)			154	(529)
Net other comprehensive income (loss) - current period			(2,891)	288
End of Period	(2,432)	1,151	(2,432)	1,151
Pension & Other Post-retirement Benefit Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning of Period			(90,950)	(90,127)
Other comprehensive income (loss) before reclassifications			0	0
Amounts reclassified from accumulated other comprehensive income (loss)			7,926	5,754
Net other comprehensive income (loss) - current period			7,926	5,754
End of Period	(83,024)	(84,373)	(83,024)	(84,373)
Reclassification out of Accumulated Other Comprehensive Income [Member] \| Gain (Loss) on Derivative Financial Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income (loss) before income taxes	(492)	246	64	831
Income Tax Expense (Benefit)	23	90	218	302
Net income	(515)	156	(154)	529
Reclassification out of Accumulated Other Comprehensive Income [Member] \| Pension & Other Post-retirement Benefit Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income Tax Expense (Benefit)	(789)	(1,057)	(2,312)	(3,279)
Net income	(2,703)	(1,854)	(7,926)	(5,754)
Amortization Of Prior Service Costs And Net Gains Loss	(3,492)	(2,911)	(10,238)	(9,033)
Aluminum Futures Contracts [Member] \| Reclassification out of Accumulated Other Comprehensive Income [Member] \| Gain (Loss) on Derivative Financial Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Freight	300	231	(1,244)	(785)
Selling, General and Administrative Expenses [Member] \| Foreign Currency Forward Contracts [Member] \| Reclassification out of Accumulated Other Comprehensive Income [Member] \| Gain (Loss) on Derivative Financial Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Selling, general and administrative	(807)		(1,226)
Cost of Sales [Member] \| Foreign Currency Forward Contracts [Member] \| Reclassification out of Accumulated Other Comprehensive Income [Member] \| Gain (Loss) on Derivative Financial Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Freight	$ 15	$ 15	$ 46	$ 46

Accumulated Other Comprehensive Income (Loss) (Schedule Of Reclassifications Of Balances Out Of Accumulated Other Comprehensive Income (Loss) Into Net Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (183,205)	$ (167,375)	$ (183,205)	$ (167,375)	$ (176,669)	$ (183,234)
Selling, general and administrative	20,676	20,718	63,452	61,852
Income before income taxes	40,899	(12,696)	(1,821)	(65,847)
Income taxes from continuing operations	6,699	(4,422)	(3,135)	(9,667)
Net income (loss)	(34,200)	8,274	(1,314)	56,180
Foreign Currency Translation
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(97,749)	(84,153)	(97,749)	(84,153)	(86,178)	(93,970)
Gain (Loss) on Derivative Financial Instruments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(2,432)	1,151	(2,432)	1,151	459	863
Pension & Other Post-retirement Benefit Adjustment
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(83,024)	(84,373)	(83,024)	(84,373)	$ (90,950)	$ (90,127)
Reclassification Out Of Accumulated Other Comprehensive Income \| Gain (Loss) on Derivative Financial Instruments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income before income taxes	492	(246)	(64)	(831)
Income taxes from continuing operations	(23)	(90)	(218)	(302)
Net income (loss)	(515)	156	(154)	529
Reclassification Out Of Accumulated Other Comprehensive Income \| Gain (Loss) on Derivative Financial Instruments \| Aluminum Futures Contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Freight	300	231	(1,244)	(785)
Reclassification Out Of Accumulated Other Comprehensive Income \| Pension & Other Post-retirement Benefit Adjustment
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Actuarial gain (loss) and prior service costs, before taxes	(3,492)	(2,911)	(10,238)	(9,033)
Income taxes from continuing operations	789	1,057	2,312	3,279
Net income (loss)	(2,703)	(1,854)	(7,926)	(5,754)
Selling, General and Administrative Expenses [Member] \| Reclassification Out Of Accumulated Other Comprehensive Income \| Gain (Loss) on Derivative Financial Instruments \| Foreign Currency Forward Contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative	(807)		(1,226)
Cost of Sales [Member] \| Reclassification Out Of Accumulated Other Comprehensive Income \| Gain (Loss) on Derivative Financial Instruments \| Foreign Currency Forward Contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Freight	$ 15	$ 15	$ 46	$ 46

Investments (Narrative) (Details) 1 - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Mar. 31, 2018	Dec. 31, 2017	Dec. 31, 2008	Aug. 31, 2007
Unrealized gain (loss) on investment under fair value method			$ 11,900	$ 24,800
Cost-method investment, OTTI	$ 186	$ 0	186
Gain (Loss) on Disposition of Assets			$ (86)	412
kaleo
Total cash invested in private company							$ 7,500
Ownership interest percentage			20.00%
Carrying value	65,900		$ 65,900		$ 68,000	$ 54,000
Unrealized gain (loss) on investment under fair value method	(2,100)	$ 0	11,900	24,800
Unrealized Gain Loss On Investment Under Fair Value Method After Taxes	$ (1,600)		$ 9,300	18,200
Basis point decrease of weighted average cost of capital assumption
Basis point increase of weighted average cost of capital assumption
Alleghany and Bath County, Virginia [Member]
Cost-method investment, OTTI				$ 0
Cost Method Investments	$ 1,400		$ 1,400			1,600
Harbinger Capital Partners Special Situations Fund L P [Member]
Cost-method investment, OTTI	200		300
Cost Method Investments	$ 1,400		$ 1,400			$ 1,700

Derivative Financial Instruments (Narrative) (Details) $ in Thousands, lb in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2018 USD ($) lb	Dec. 31, 2017 USD ($) lb
Derivative [Line Items]
Amounts of unrealized after tax gains (losses) to be Reclassified within Twelve Months	$ 700
Aluminum Futures Contracts
Derivative [Line Items]
Notional Amount	$ 18,200	$ 8,200
Weight of aluminum that hedged future purchase of aluminum to meet fixed - price forward sales contract obligations, lbs \| lb	16.4	8.0
Net asset (liability), Fair Value	$ (793)	$ 562
Accrued Expenses [Member] \| Derivatives Designated As Hedging Instruments [Member] \| Aluminum Futures Contracts
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	201	578
Derivative Liability, Fair Value, Gross Liability	994	$ 16
Cash Flow Hedging [Member] \| Foreign Currency Forwwards And Options [Member]
Derivative [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	$ 2,300

Derivative Financial Instruments (Summary Of Location And Fair Value Of Derivative Financial Instruments) (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Flexible Packaging Films [Member] [Domain] \| Accrued Expenses [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ (2,687)	$ (558)
Aluminum Futures Contracts
Derivatives, Fair Value [Line Items]
Net asset (liability), Fair Value	(793)	562
Derivatives Designated As Hedging Instruments [Member] \| Flexible Packaging Films [Member] [Domain] \| Accrued Expenses [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	0
Liability derivatives: Fair Value	2,687	558
Derivatives Designated As Hedging Instruments [Member] \| Aluminum Futures Contracts \| Accrued Expenses [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	201	578
Liability derivatives: Fair Value	$ (994)	$ (16)

Derivative Financial Instruments (Schedule Of Pretax Effect On Net Income (Loss) And Other Comprehensive Income (Loss) Of Derivative Instruments Classified As Cash Flow Hedges) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Foreign Currency Forwards And Options [Member] \| Cost Of Sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pretax gain (loss) reclassified from accumulated other comprehensive income (loss) to net income effective portion)	$ 15	$ 15	$ 46	$ 46
Foreign Currency Forwards And Options [Member] \| Selling, General and Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pretax gain (loss) reclassified from accumulated other comprehensive income (loss) to net income effective portion)	(807)		(1,226)
Cash Flow Derivative Hedges \| Aluminum Futures Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pretax gain (loss) recognized in other comprehensive income (loss)	(1,176)	757	(111)	1,281
Cash Flow Derivative Hedges \| Aluminum Futures Contracts \| Cost Of Sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pretax gain (loss) reclassified from accumulated other comprehensive income (loss) to net income effective portion)	300	231	1,244	785
Cash Flow Derivative Hedges \| Foreign Currency Forwards And Options
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pretax gain (loss) recognized in other comprehensive income (loss)	0	$ 0		$ 0
Cash Flow Derivative Hedges \| Foreign Currency Forwards And Options \| Cost Of Sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pretax gain (loss) recognized in other comprehensive income (loss)			0
Cash Flow Derivative Hedges \| Foreign Currency Forwards And Options \| Selling, General and Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pretax gain (loss) recognized in other comprehensive income (loss)	$ (1,353)		$ (3,032)

Derivative Financial Instruments Terphane Future Cash Flow Hedges (Details) - Terphane Ltda [Member] R$ in Thousands, $ in Thousands	Sep. 30, 2018 BRL (R$)	Sep. 30, 2018 USD ($)
Derivative [Line Items]
Percentage of Coverage Using Cash Flow Hedges	0.00%	0.00%
Derivative, Notional Amount, Net	R$ 110,358	$ 29,700
Foreign Currency Exchange Rate, Translation	3,715.8	3,715.8
Oct-2018 [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 7,830	$ 2,250
Percentage of Coverage Using Cash Flow Hedges	0.00%	0.00%
Foreign Currency Exchange Rate, Translation	3,480.1	3,480.1
Nov-18 [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 7,850	$ 2,250
Percentage of Coverage Using Cash Flow Hedges	0.00%	0.00%
Foreign Currency Exchange Rate, Translation	3,488.7	3,488.7
Dec-18 [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 7,868	$ 2,250
Percentage of Coverage Using Cash Flow Hedges	0.00%	0.00%
Foreign Currency Exchange Rate, Translation	3,496.9	3,496.9
Jan-19 [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 7,380	$ 2,025
Percentage of Coverage Using Cash Flow Hedges	0.00%	0.00%
Foreign Currency Exchange Rate, Translation	3,644.2	3,644.2
Feb-19 [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 7,397	$ 2,025
Percentage of Coverage Using Cash Flow Hedges	0.00%	0.00%
Foreign Currency Exchange Rate, Translation	3,652.7	3,652.7
Mar-19 [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 7,410	$ 2,025
Percentage of Coverage Using Cash Flow Hedges	0.00%	0.00%
Foreign Currency Exchange Rate, Translation	3,659.3	3,659.3
Apr-19 [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 7,430	$ 2,025
Percentage of Coverage Using Cash Flow Hedges	0.00%	0.00%
Foreign Currency Exchange Rate, Translation	3,669.0	3,669.0
May-19 [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 7,451	$ 2,025
Percentage of Coverage Using Cash Flow Hedges	0.00%	0.00%
Foreign Currency Exchange Rate, Translation	3,679.5	3,679.5
Jun-19 [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 7,473	$ 2,025
Percentage of Coverage Using Cash Flow Hedges	0.00%	0.00%
Foreign Currency Exchange Rate, Translation	3,690.4	3,690.4
Jul-19 [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 6,989	$ 1,800
Percentage of Coverage Using Cash Flow Hedges	0.00%	0.00%
Foreign Currency Exchange Rate, Translation	3,882.6	3,882.6
Aug-19 [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 7,011	$ 1,800
Percentage of Coverage Using Cash Flow Hedges	0.00%	0.00%
Foreign Currency Exchange Rate, Translation	3,895.0	3,895.0
Sep-19 [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 7,033	$ 1,800
Percentage of Coverage Using Cash Flow Hedges	0.00%	0.00%
Foreign Currency Exchange Rate, Translation	3,907.0	3,907.0
Oct-19 [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 7,056	$ 1,800
Percentage of Coverage Using Cash Flow Hedges	0.00%	0.00%
Foreign Currency Exchange Rate, Translation	3,920.3	3,920.3
Nov-19 [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 7,080	$ 1,800
Percentage of Coverage Using Cash Flow Hedges	0.00%	0.00%
Foreign Currency Exchange Rate, Translation	3,933.1	3,933.1
Dec-19 [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 7,102	$ 1,800
Percentage of Coverage Using Cash Flow Hedges	0.00%	0.00%
Foreign Currency Exchange Rate, Translation	3,945.5	3,945.5

Pension And Other Post-Retirement Benefits (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	$ (89.8)	$ (99.5)
Other Post-Retirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Contribution to pension plans for continuing operations		$ 0.3
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Expected required contributions	8.4
Contribution to pension plans for continuing operations	7.0
Accrued Expenses [Member]
Defined Benefit Plan Disclosure [Line Items]
Liability, Defined Benefit Plan, Current	$ 0.6

Pension And Other Post-Retirement Benefits (Schedule Of Components Of Net Periodic Benefit Cost For Pension And Other Post-Retirement Benefit Programs) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 7	$ 29	$ 17	$ 145
Interest cost	2,818	3,103	8,582	9,431
Expected return on plan assets	(3,736)	(3,743)	(11,258)	(11,216)
Amortization of prior service costs, (gains) losses and net transition asset	3,565	2,996	10,421	9,241
Net periodic benefit cost	2,654	2,385	7,762	7,601
Other Post-Retirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	7	7	27	25
Interest cost	65	73	203	226
Expected return on plan assets		0
Amortization of prior service costs, (gains) losses and net transition asset	(75)	(84)	(183)	(207)
Net periodic benefit cost	$ (3)	$ (4)	$ 47	$ 44

Other Income (Expense), Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Other Income and Expenses [Abstract]
Other income (expense), net	$ (2,557)	$ 34	$ 11,532	$ 38,055
Other Nonoperating Income (Expense), Net - Other	$ (457)	$ 34	$ (368)	$ 1,399

Other Income (Expense), Net Other Income (Expense), Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Other Nonoperating Income (Expense), Net - Total	$ (2,557)	$ 34	$ 11,532	$ 38,055
Other Nonoperating Income (Expense), Net - Other	(457)	34	(368)	1,399
kaleo [Member]
Unrealized Gain (Loss) on Investments - kaleo	$ (2,100)	$ 0	$ 11,900	$ 24,800

Segment Reporting (Schedule Of Segment Reporting Information By Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Segment Reporting Information [Line Items]
Assets	$ 690,936		$ 690,936		$ 755,743
Total net sales	257,856	$ 238,500	763,098	$ 690,654
Gross Sales	267,294	247,121	789,765	715,494
Goodwill, Impairment Loss	(46,792)	0	(46,792)	0
Total Segment Income (Loss)	(29,960)	21,482	16,830	66,593
Interest income	6	42	290	171
Interest expense	1,318	1,757	4,539	4,579
Gain (loss) on investment in kaléo accounted for under fair value method			11,900	24,800
Gain (Loss) on Disposition of Assets			(86)	412
Cost-method Investments, Other than Temporary Impairment	(186)	0	(186)
Stock option-based compensation costs	415	111	806	153
Corporate expenses, net	6,926	6,960	21,668	20,985
Income from continuing operations before income taxes	(40,899)	12,696	1,821	65,847
Income taxes from continuing operations	(6,699)	4,422	3,135	9,667
Net income	(34,200)	8,274	(1,314)	56,180
kaleo
Segment Reporting Information [Line Items]
Gain (loss) on investment in kaléo accounted for under fair value method	(2,100)	0	11,900	24,800
PE Films
Segment Reporting Information [Line Items]
Assets	231,106		231,106		289,514
Total net sales	76,470	89,723	252,177	265,773
Operating profit from ongoing operations	4,145	11,251	26,857	30,965
Plant shutdowns, asset impairments, restructurings and other	(2,355)	(919)	(4,542)	(3,890)
Flexible Packaging Films [Member] [Domain]
Segment Reporting Information [Line Items]
Assets	53,661		53,661		49,915
Total net sales	33,725	26,628	90,466	79,925
Operating profit from ongoing operations	3,609	(1,074)	6,617	(3,392)
Plant shutdowns, asset impairments, restructurings and other	0	0	0	11,856
Aluminum Extrusions
Segment Reporting Information [Line Items]
Assets	277,810		277,810		$ 268,127
Total net sales	147,661	122,149	420,455	344,956
Operating profit from ongoing operations	11,730	12,601	35,086	34,201
Plant shutdowns, asset impairments, restructurings and other	(297)	(377)	(396)	(3,147)
Alleghany and Bath County, Virginia [Member]
Segment Reporting Information [Line Items]
Cost-method Investments, Other than Temporary Impairment				0
Shipping and Handling [Member]
Segment Reporting Information [Line Items]
Freight	9,438	8,621	26,667	24,840
Personal Care Materials [Member] \| PE Films
Segment Reporting Information [Line Items]
Total net sales	57,356	63,574	174,985	187,661
Surface Protection Films [Member] \| PE Films
Segment Reporting Information [Line Items]
Total net sales	17,193	24,368	71,926	72,805
Films For Other Markets [Member] \| PE Films
Segment Reporting Information [Line Items]
Total net sales	1,921	1,781	5,266	5,307
Film Products Subtotal [Member] \| PE Films
Segment Reporting Information [Line Items]
Total net sales	76,470	89,723	252,177	265,773
Nonresidential Building And Construction [Member] \| Aluminum Extrusions
Segment Reporting Information [Line Items]
Total net sales	75,870	63,187	213,500	177,534
Consumer Durables [Member] \| Aluminum Extrusions
Segment Reporting Information [Line Items]
Total net sales	14,991	14,105	47,300	39,871
Distribution [Member] \| Aluminum Extrusions
Segment Reporting Information [Line Items]
Total net sales	9,148	7,182	32,109	23,024
Automotive [Member] \| Aluminum Extrusions
Segment Reporting Information [Line Items]
Total net sales	13,205	9,682	33,992	29,947
Residential Building And Construction [Member] \| Aluminum Extrusions
Segment Reporting Information [Line Items]
Total net sales	11,163	10,327	32,976	29,855
Machinery and Equipment BNL [Domain] \| Aluminum Extrusions
Segment Reporting Information [Line Items]
Total net sales	11,191	8,430	30,335	23,975
Electrical [Member] \| Aluminum Extrusions
Segment Reporting Information [Line Items]
Total net sales	12,093	9,236	30,243	20,750
Aluminum Extrusions Subtotal [Member] \| Aluminum Extrusions
Segment Reporting Information [Line Items]
Total net sales	147,661	122,149	420,455	344,956
Product [Member]
Segment Reporting Information [Line Items]
Freight	$ 217,378	$ 194,508	$ 631,235	$ 569,555

Segment Reporting (Schedule Of Identifiable Assets By Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
Stock option-based compensation costs	$ 415	$ 111	$ 806	$ 153
Subtotal	562,577		562,577		$ 607,556
General corporate	91,583		91,583		111,696
Cash and cash equivalents	36,776	$ 31,850	36,776	$ 31,850	36,491	$ 29,511
Total assets	690,936		690,936		755,743
PE Films
Total assets	231,106		231,106		289,514
Flexible Packaging Films [Member] [Domain]
Total assets	53,661		53,661		49,915
Aluminum Extrusions
Total assets	$ 277,810		$ 277,810		$ 268,127

Segment Reporting Schedule of Revenue by Geographic Location (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Disaggregation of Revenue [Line Items]
Sales	$ 257,856	$ 238,500	$ 763,098	$ 690,654
UNITED STATES
Disaggregation of Revenue [Line Items]
Sales	176,022	150,154	506,769	434,766
PE Films
Disaggregation of Revenue [Line Items]
Sales	76,470	89,723	252,177	265,773
PE Films \| Personal Care Materials [Member]
Disaggregation of Revenue [Line Items]
Sales	57,356	63,574	174,985	187,661
PE Films \| Surface Protection Films [Member]
Disaggregation of Revenue [Line Items]
Sales	17,193	24,368	71,926	72,805
PE Films \| Films For Other Markets [Member]
Disaggregation of Revenue [Line Items]
Sales	1,921	1,781	5,266	5,307
PE Films \| Film Products Subtotal [Member]
Disaggregation of Revenue [Line Items]
Sales	76,470	89,723	252,177	265,773
Flexible Packaging Films [Member] [Domain]
Disaggregation of Revenue [Line Items]
Sales	33,725	26,628	90,466	79,925
Aluminum Extrusions
Disaggregation of Revenue [Line Items]
Sales	147,661	122,149	420,455	344,956
Aluminum Extrusions \| Nonresidential Building And Construction [Member]
Disaggregation of Revenue [Line Items]
Sales	75,870	63,187	213,500	177,534
Aluminum Extrusions \| Consumer Durables [Member]
Disaggregation of Revenue [Line Items]
Sales	14,991	14,105	47,300	39,871
Aluminum Extrusions \| Distribution [Member]
Disaggregation of Revenue [Line Items]
Sales	9,148	7,182	32,109	23,024
Aluminum Extrusions \| Automotive [Member]
Disaggregation of Revenue [Line Items]
Sales	13,205	9,682	33,992	29,947
Aluminum Extrusions \| Residential Building And Construction [Member]
Disaggregation of Revenue [Line Items]
Sales	11,163	10,327	32,976	29,855
Aluminum Extrusions \| Aluminum Extrusions Subtotal [Member]
Disaggregation of Revenue [Line Items]
Sales	147,661	122,149	420,455	344,956
Aluminum Extrusions \| Machinery and Equipment BNL [Domain]
Disaggregation of Revenue [Line Items]
Sales	11,191	8,430	30,335	23,975
Aluminum Extrusions \| Electrical [Member]
Disaggregation of Revenue [Line Items]
Sales	12,093	9,236	30,243	20,750
Exports From United States [Member] \| Asia [Member]
Disaggregation of Revenue [Line Items]
Sales	14,893	21,507	57,370	61,394
Exports From United States [Member] \| CANADA
Disaggregation of Revenue [Line Items]
Sales	13,451	11,253	40,988	35,855
Exports From United States [Member] \| Europe [Member]
Disaggregation of Revenue [Line Items]
Sales	1,608	2,193	5,127	6,826
Exports From United States [Member] \| Latin America [Member]
Disaggregation of Revenue [Line Items]
Sales	3,104	3,841	9,810	11,562
Operations Outside United States [Member] \| BRAZIL
Disaggregation of Revenue [Line Items]
Sales	26,591	22,030	73,402	64,682
Operations Outside United States [Member] \| NETHERLANDS
Disaggregation of Revenue [Line Items]
Sales	11,428	15,691	34,750	41,378
Operations Outside United States [Member] \| HUNGARY
Disaggregation of Revenue [Line Items]
Sales	7,987	6,331	25,324	17,660
Operations Outside United States [Member] \| CHINA
Disaggregation of Revenue [Line Items]
Sales	2,376	3,061	6,342	9,176
Operations Outside United States [Member] \| INDIA
Disaggregation of Revenue [Line Items]
Sales	$ 396	$ 2,439	$ 3,216	$ 7,355

Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended
Income Taxes (Narrative) (Details) - USD ($)	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income			$ 953,000	$ 0
Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income - Percentage			52.30%	0.00%
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount			$ (318,000)	$ (458,000)
Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Amount			0	(610,000)
Effective Income Tax Rate Reconciliation Unremitted Earnings From Foreign Operations, Amount			0.000	117,000.000
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount			$ 383,000	$ 23,047,000
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent			(73.80%)	0.00%
effective income tax rate reconciliation, valuation allowance due to foreign losses			$ 185,000	$ 272,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%	35.00%
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount			$ 1,159,000	$ 1,022,000
Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Percent			0.00%	(0.90%)
Increase in value of kaléo investment held abroad			$ 0	$ (2,326,000)
Increase In Value Of kaléo Investment Held Abroad, Percentage			0.00%	(3.50%)
Effective Income Tax Rate Reconciliation Amount - FDII			$ (472,000)	$ 0
Effective Income Tax Rate Reconciliation, Tax Credit, Amount			$ (1,344,000)	$ 0
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent			63.60%	1.50%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount			$ 87,000	$ 866,000
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent			4.80%	1.30%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Amount			$ 173,000	$ 192,000
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Percent			9.50%	0.30%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount			$ 230,000.000	$ 368,000.000
Effective Income Tax Rate Reconciliation Percent - FDII			(25.90%)	0.00%
Effective Income Tax Rate Reconciliation, Tax Settlement, Other, Amount			$ 480,000	$ (284,000)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent			12.60%	0.50%
Effective Income Tax Rate Reconciliation Operating Loss Carryforwards Valuation Allowance For Foreign Country			10.10%	0.40%
Effective Income Tax Rate Reconciliation, escrow settlement, amount				$ (4,200,000.000)
Effective Tax Rate Reconciliation, Escrow Settlement				(6.40%)
Effective Income Tax Rate Reconciliation Unremitted Earnings From Foreign Operations			0.00%	0.20%
Effective Income Tax Rate Reconciliation Capital Loss Carryforwards Valuation Allowance, Amount			$ 245,000.000	$ (25,000.000)
Effective Income Tax Rate Reconciliation Capital Loss Carryforwards Valuation Allowance			13.40%	0.00%
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount			$ 0	$ (413,000)
Effective Income Tax Rate Reconciliation, Deduction, Amount			(3,135,000.000)	(9,667,000.000)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount			1,788,000	0
Income Tax Expense (Benefit)	$ (6,699,000)	$ 4,422,000	3,135,000	9,667,000
Goodwill, Impairment Loss	46,792,000	0	$ 46,792,000	$ 0
Effective Income Tax Rate Reconciliation, Percent			172.10%	14.70%
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	(40,899,000)	$ 12,696,000	$ 1,821,000	$ 65,847,000
Effective Tax Rate Reconciliation Worthless Stock				(12.20%)
Effective Tax Rate Reconciliation Worthless Stock Deductions, Amount			$ 0.000	$ 8,057,000.000
Effective Income Tax Rate Reconciliation, Tax Contingency, Percent			26.40%	(0.40%)
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount			$ (414,000)	$ 156,000
Income Tax Examination, Interest Expense				100,000
Income Tax Examination, Interest Accrued	$ 200,000		$ 200,000
Brazilian [Member]
Income Taxes [Line Items]
Effective income tax rate reconciliation social contribution on income			9.00%
Effective Income Tax Rate Reconciliation Federal Statutory Tax Rate Excluding Social Contribution On Income			25.00%
Effective Income Tax Rate Reconciliation Federal Statutory Tax Rate Including Social Contribution On Income			34.00%
Flexible Packaging Films [Member]
Income Taxes [Line Items]
Foreign Tax Credit - Brazil				$ 1,300,000
Terphane Ltda [Member]
Income Taxes [Line Items]
Current Effective Tax Rate Including Social Contribution On Income			15.25%
LengthBrazilianTaxIncentive			10 years

Income Taxes (Schedule Of Effective Income Tax Rate For Continuing Operations) (Details) - USD ($)	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	$ 383,000	$ 23,047,000
Income tax expense at federal statutory rate	21.00%	35.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount	$ 1,788,000	$ 0
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	$ 1,159,000	$ 1,022,000
State taxes, net of federal income tax benefit	4.80%	1.30%
Income tax contingency accruals and tax settlements	26.40%	(0.40%)
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount	$ (414,000)	$ 156,000
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent	98.20%	0.00%
Unremitted earnings from foreign operations	0.00%	0.20%
Effective Income Tax Rate Reconciliation Capital Loss Carryforwards Valuation Allowance, Amount	$ 245,000.000	$ (25,000.000)
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount	0.00%	(0.60%)
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount	$ (318,000)	$ (458,000)
Changes in estimates related to prior year tax provision	(22.70%)	0.20%
Effective Income Tax Rate Reconciliation Unremitted Earnings From Foreign Operations, Amount	$ (0.000)	$ (117,000.000)
Non-deductible expenses	12.60%	0.50%
Valuation allowance for foreign operating loss carry-forwards	10.10%	0.40%
Research and development tax credit	(17.40%)	(0.70%)
Foreign rate differences	63.60%	1.50%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	$ 87,000	$ 866,000
Foreign tax incentives	(73.80%)	0.00%
effective income tax rate reconciliation, valuation allowance due to foreign losses	$ 185,000	$ 272,000
Valuation allowance for capital loss carry-forwards	13.40%	0.00%
Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Amount	$ 0	$ (610,000)
Domestic production activities deduction	0.00%	(0.90%)
Effective Income Tax Rate Reconciliation, Deduction, Amount	$ 3,135,000.000	$ 9,667,000.000
Effective income tax rate for income from continuing operations	172.10%	14.70%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Amount	$ 173,000	$ 192,000
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Percent	9.50%	0.30%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	$ 230,000.000	$ 368,000.000
Effective Income Tax Rate Reconciliation, Tax Settlement, Other, Amount	480,000	(284,000)
Increase in value of kaléo investment held abroad	$ 0	$ 2,326,000
Increase In Value Of kaléo Investment Held Abroad, Percentage	0.00%	(3.50%)
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount	$ 0	$ 413,000
Effective Income Tax Rate Reconciliation Amount - FDII	$ (472,000)	$ 0
Effective Income Tax Rate Reconciliation Percent - FDII	(25.90%)	0.00%
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	$ (1,344,000)	$ 0
Effective Income Tax Rate Reconciliation, escrow settlement, amount		$ 4,200,000.000
Effective Tax Rate Reconciliation, Escrow Settlement		(6.40%)
Effective Tax Rate Reconciliation Worthless Stock Deductions, Amount	(0.000)	$ (8,057,000.000)
Effective Tax Rate Reconciliation Worthless Stock		(12.20%)
Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income	$ 953,000	$ 0
Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income - Percentage	52.30%	0.00%

Impairment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
Impairment (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2020
Impaired Long-Lived Assets Held and Used [Line Items]
Goodwill, Impairment Loss	$ 46,792	$ 0	$ 46,792	$ 0
Loss of Future Sales Projection					$ 70,000
Personal Care Materials [Member] \| PE Films
Impaired Long-Lived Assets Held and Used [Line Items]
Goodwill, Impairment Loss	46,800
Goodwill, Impairment Loss, Net of Tax	$ 38,200