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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Property Plant and Equipment) (Details)
12 Months Ended
Dec. 31, 2014
Minimum [Member] | Machinery and equipment [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 3 years
Minimum [Member] | Mobile equipment [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 3 years
Maximum [Member] | Building [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 39 years
Maximum [Member] | Machinery and equipment [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 25 years
Maximum [Member] | Mobile equipment [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 25 years