SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Property Plant and Equipment) (Details)	12 Months Ended
	Dec. 31, 2011 years
Building [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life, Maximum (in years)	30
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life, Minimum (in years)	3
Property, Plant and Equipment, Useful Life, Maximum (in years)	20
Mobile equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life, Minimum (in years)	3
Property, Plant and Equipment, Useful Life, Maximum (in years)	20