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Business Segments (Schedule Of Identifiable Assets By Geographic Area, Property, Plant & Equipment, Net By Geographic Area) (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | --- | --- | ---
Segment Reporting Information [Line Items] |  |  |  |  |  |
Identifiable Assets by Geographic Area, Total | $ 793,008 | [1] | $ 783,165 | [1] |  |
Cash and cash equivalents | 52,617 | [1] | 48,822 | [1] | 68,939 | 73,191
Property, Plant & Equipment, Net by Geographic Area, Total | 282,560 |  | 253,417 |  |  |
Property, Plant & Equipment, Net of Discontinued operations by Geographic Area, Total | 282,560 | [1] | 253,417 | [1] |  |
United States |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Identifiable Assets by Geographic Area, Total | 419,234 | [1],[2] | 412,822 | [1],[2] |  |
Property, Plant & Equipment, Net by Geographic Area, Total | 141,444 | [1],[2] | 126,072 | [1],[2] |  |
General Corporate |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Identifiable Assets by Geographic Area, Total | 48,590 | [1],[2] | 53,222 | [1],[2] |  |
Property, Plant & Equipment, Net by Geographic Area, Total | 1,090 | [1],[2] | 1,160 | [1],[2] |  |
Operations Outside The United States | Brazil |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Identifiable Assets by Geographic Area, Total | 191,415 | [1] | 181,663 | [1] |  |
Property, Plant & Equipment, Net by Geographic Area, Total | 99,956 | [1] | 77,723 | [1] |  |
Operations Outside The United States | The Netherlands |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Identifiable Assets by Geographic Area, Total | 32,156 | [1] | 37,076 | [1] |  |
Property, Plant & Equipment, Net by Geographic Area, Total | 14,172 | [1] | 19,443 | [1] |  |
Operations Outside The United States | China |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Identifiable Assets by Geographic Area, Total | 25,165 | [1] | 25,167 | [1] |  |
Property, Plant & Equipment, Net by Geographic Area, Total | 14,430 | [1] | 16,584 | [1] |  |
Operations Outside The United States | Hungary |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Identifiable Assets by Geographic Area, Total | 17,681 | [1] | 17,887 | [1] |  |
Property, Plant & Equipment, Net by Geographic Area, Total | 7,461 | [1] | 7,782 | [1] |  |
Operations Outside The United States | India |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Identifiable Assets by Geographic Area, Total | 6,150 | [1] | 6,506 | [1] |  |
Property, Plant & Equipment, Net by Geographic Area, Total | $ 4,007 | [1] | $ 4,653 | [1] |  |
[1] | Information on exports and foreign operations are provided on the next page. Cash and cash equivalents includes funds held in locations outside the U.S. of $38.6 million and $28.6 million at December 31, 2013 and 2012, respectively. Export sales relate almost entirely to Film Products. Operations outside the U.S. in The Netherlands, Hungary, China, Italy (sold in 2011), Brazil and India also relate to Film Products. Sales from our locations in The Netherlands, Hungary and Italy are primarily to customers located in Europe. Sales from our locations in China (Guangzhou and Shanghai) are primarily to customers located in China, but also include other customers in Asia. Sales activity at the new film products manufacturing facility in India was not significant in 2011.
[2] | We recognize in the balance sheets the funded status of each of our defined benefit pension and other postretirement plans. The funded status of our defined benefit pension plan was a net liability of $42.5 million, $83.3 million and $57.8 million in “Other noncurrent liabilities” as of December 31, 2013, 2012 and 2011, respectively. See Note 14 for more information on our pension and other postretirement plans.

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- Definition Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Includes PP&E reclassified to long-term assets for discontinued operations. + References No definition available. + Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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