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           Inventories (Details) (USD $) 
        In Thousands, unless otherwise specified  | 
        
           Jun. 30, 2014 
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           Dec. 31, 2013 
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|---|---|---|
| Inventories [Abstract] | ||
| Finished goods | $ 57,697 | $ 42,251 | 
| Work-in-process | 3,316 | 164 | 
| Raw materials | 53,333 | 45,991 | 
| Inventory, Net | $ 114,346 | $ 88,406 | 
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- Details 
          
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- Definition 
          Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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