Annual report pursuant to Section 13 and 15(d)

NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Details 2)

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NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Details 2) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment    
Investment in information systems $ 125,274 $ 117,982
Buildings | Minimum    
Property, Plant and Equipment    
Estimated useful lives 20 years  
Buildings | Maximum    
Property, Plant and Equipment    
Estimated useful lives 50 years  
Building improvements | Minimum    
Property, Plant and Equipment    
Estimated useful lives 7 years  
Building improvements | Maximum    
Property, Plant and Equipment    
Estimated useful lives 10 years  
Machinery and equipment    
Property, Plant and Equipment    
Investment in information systems $ 23,699 22,293
Machinery and equipment | Minimum    
Property, Plant and Equipment    
Estimated useful lives 2 years  
Machinery and equipment | Maximum    
Property, Plant and Equipment    
Estimated useful lives 10 years  
Computer software and hardware    
Property, Plant and Equipment    
Investment in information systems $ 49,340 44,194
Computer software and hardware | Minimum    
Property, Plant and Equipment    
Estimated useful lives 3 years  
Computer software and hardware | Maximum    
Property, Plant and Equipment    
Estimated useful lives 10 years  
Furniture and fixtures    
Property, Plant and Equipment    
Investment in information systems $ 19,962 $ 18,964
Furniture and fixtures | Minimum    
Property, Plant and Equipment    
Estimated useful lives 2 years  
Furniture and fixtures | Maximum    
Property, Plant and Equipment    
Estimated useful lives 5 years  
Technology Equipment    
Property, Plant and Equipment    
Estimated useful lives 10 years  
Investment in information systems $ 46,800