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Inventories, Net (Details) - Components of Inventories - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Inventory Disclosure [Abstract]    
Finished goods $ 78,789 $ 76,512
Work in process 12,800 8,905
Raw materials and supplies 96,377 99,899
Inventories, net $ 187,966 $ 185,316