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Segment Reporting (Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas) (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2015
Net Sales: |  |  |
Total net sales | $ 162,616 | $ 162,825 |
Long-term Assets: |  |  |
Total long-term assets | 138,419 |  | $ 132,343
Continuing Operations [Member] |  |  |
Net Sales: |  |  |
Total net sales | 162,616 | 162,825 |
Long-term Assets: |  |  |
Total long-term assets | 138,419 |  | 132,343
Continuing Operations [Member] | North America [Member] |  |  |
Net Sales: |  |  |
Total net sales | 99,119 | 89,753 |
Long-term Assets: |  |  |
Total long-term assets | 60,547 |  | 60,099
Continuing Operations [Member] | South America [Member] |  |  |
Net Sales: |  |  |
Total net sales | 17,612 | 26,523 |
Long-term Assets: |  |  |
Total long-term assets | 60,799 |  | 56,943
Continuing Operations [Member] | Europe and Other [Member] |  |  |
Net Sales: |  |  |
Total net sales | 45,885 | $ 46,549 |
Long-term Assets: |  |  |
Total long-term assets | $ 17,073 |  | $ 15,301

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