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Business Segments (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Segment Reporting Information [Line Items] |  |  |  |
Net Sales | [1],[2] | $ 936,295 | $ 1,029,444 | $ 927,647
PE Films [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net Sales |  | 272,758 | 332,488 | 352,459
PE Films [Member] | The Procter And Gamble Company |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net Sales |  | 58,800 | 106,500 | 122,400
Shipping and Handling [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Cost of Goods and Services Sold |  | $ 36,063 | $ 36,027 | $ 33,683
[1] | Information on exports and foreign operations are provided on the previous page. Cash and cash equivalents includes funds held in locations outside the U.S. of $23.0 million and $31.1 million at December 31, 2019 and 2018, respectively. Export sales relate almost entirely 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.
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