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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, 2017
Mar. 31, 2016
Dec. 31, 2016
Net Sales:      
Total net sales $ 204,311 $ 162,616  
Long-term Assets:      
Total long-term assets 236,433   $ 153,636
Continuing Operations [Member]      
Net Sales:      
Total net sales 204,311 162,616  
Long-term Assets:      
Total long-term assets 236,433   153,636
Continuing Operations [Member] | North America [Member]      
Net Sales:      
Total net sales 123,386 99,119  
Long-term Assets:      
Total long-term assets 76,354   73,835
Continuing Operations [Member] | South America [Member]      
Net Sales:      
Total net sales 21,633 17,612  
Long-term Assets:      
Total long-term assets 65,256   63,497
Continuing Operations [Member] | Europe and Other [Member]      
Net Sales:      
Total net sales 59,292 $ 45,885  
Long-term Assets:      
Total long-term assets $ 94,823   $ 16,304