Business Segment and Foreign Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	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