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Business Segment and Foreign Operations (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2016 | Mar. 31, 2015
Schedule of Revenues from Geographical Segments [Line Items] |  |
Total net sales | $ 150,658 | $ 132,705
United States [Member] |  |
Schedule of Revenues from Geographical Segments [Line Items] |  |
Total net sales | 83,938 | 54,759
Asia (excluding PRC) [Member] |  |
Schedule of Revenues from Geographical Segments [Line Items] |  |
Total net sales | 21,573 | 31,020
People's Republic of China [Member] |  |
Schedule of Revenues from Geographical Segments [Line Items] |  |
Total net sales | 16,926 | 15,836
Europe [Member] |  |
Schedule of Revenues from Geographical Segments [Line Items] |  |
Total net sales | 15,783 | 15,022
Latin America [Member] |  |
Schedule of Revenues from Geographical Segments [Line Items] |  |
Total net sales | 7,555 | 10,522
All Other Countries [Member] |  |
Schedule of Revenues from Geographical Segments [Line Items] |  |
Total net sales | $ 4,883 | $ 5,546

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