Annual report pursuant to Section 13 and 15(d)

NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Details 1)

v3.8.0.1
NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Details 1) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Property, Plant and Equipment    
Investment in information systems $ 128,778 $ 125,274
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 $ 25,160 23,699
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 $ 51,632 49,340
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 $ 20,385 $ 19,962
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 $ 48,500