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Property and Equipment, Net (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment [Line Items]    
Property and equipment - gross $ 128,502 $ 168,262
Less accumulated depreciation (99,575) (119,513)
Total property and equipment, net 28,927 48,749
Land    
Property, Plant and Equipment [Line Items]    
Property and equipment - gross 875 3,435
Buildings    
Property, Plant and Equipment [Line Items]    
Property and equipment - gross $ 17,389 21,590
Buildings | Minimum    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life (Years) 39 years  
Buildings | Maximum    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life (Years) 40 years  
Building Improvements    
Property, Plant and Equipment [Line Items]    
Property and equipment - gross $ 34,957 60,584
Building Improvements | Minimum    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life (Years) 5 years  
Building Improvements | Maximum    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life (Years) 40 years  
Machinery and Equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment - gross $ 62,992 68,434
Machinery and Equipment | Minimum    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life (Years) 3 years  
Machinery and Equipment | Maximum    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life (Years) 15 years  
Furniture, fixtures and office equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment - gross $ 3,556 4,114
Furniture, fixtures and office equipment | Minimum    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life (Years) 5 years  
Furniture, fixtures and office equipment | Maximum    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life (Years) 10 years  
Computer Equipment and Software    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life (Years) 3 years  
Property and equipment - gross $ 8,531 9,519
Construction in Progress    
Property, Plant and Equipment [Line Items]    
Property and equipment - gross $ 202 $ 586