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Accrued Expenses (Schedule Of Reconciliation Of Beginning And Ending Balances Of Accrued Expenses Associated With Asset Impairments And Costs Associated With Exit And Disposal Activities) (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Loss on asset impairments |  |  | $ 101,282 |  | $ 1,436 |  | $ 403 |
Accrued Freight | $ 1,581 |  | 1,581 |  | 1,612 |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance |  |  | 2,408 |  | 1,867 |  | 447 |
Charges |  |  | 102,488 |  | 2,684 |  | 3,850 |
Cash spend |  |  | (2,198) |  | (1,540) |  | (2,027) |
Charges against assets |  |  | (101,595) |  | (603) |  | (403) |
Ending balance | 1,103 |  | 1,103 |  | 2,408 |  | 1,867 |
Severance(a) |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance |  |  | 1,854 |  | 1,462 |  | 246 |
Charges |  |  | 589 |  | 1,535 |  | 2,568 |
Cash spend |  |  | (1,816) |  | (1,143) |  | (1,352) |
Ending balance | 627 |  | 627 |  | 1,854 |  | 1,462 |
Asset Impairments(b) |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance |  |  | 0 |  | 0 |  | 0 |
Charges |  |  | 101,595 |  | 603 |  | 403 |
Charges against assets |  |  | (101,595) |  | (603) |  | (403) |
Ending balance | 0 |  | 0 |  | 0 |  | 0 |
Other |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance |  |  | 554 | [1] | 405 | [1] | 201 | [1]
Charges |  |  | 304 | [1] | 546 | [1] | 879 | [1]
Cash spend |  |  | (382) | [1] | (397) | [1] | (675) | [1]
Ending balance | 476 | [1] | 476 | [1] | $ 554 | [1] | $ 405 | [1]
Flexible Packaging Films [Member] |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Loss on asset impairments | $ 101,000 |  | $ 101,000 |  |  |  |  |
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2420-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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