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Inventories, Net and Significant Suppliers - Inventories, Net (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Inventory Disclosure [Abstract]        
Raw materials $ 29,290 $ 24,763    
Components 12,228 16,170    
Work in process 5,671 2,622    
Finished goods 78,222 56,458    
Reserve for excess and obsolete inventory (3,045) (2,539) $ (2,714) $ (2,024)
Inventories, net $ 122,366 $ 97,474