SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2)	12 Months Ended
	Dec. 31, 2011 Y
Buildings and improvements
Long-Lived Assets
Estimated useful lives, Minimum (in years)	15
Estimated useful lives, Maximum (in years)	40
Machinery and equipment
Long-Lived Assets
Estimated useful lives, Minimum (in years)	3
Estimated useful lives, Maximum (in years)	12
Transportation equipment
Long-Lived Assets
Estimated useful lives, Minimum (in years)	3
Estimated useful lives, Maximum (in years)	24
Office furniture and equipment
Long-Lived Assets
Estimated useful lives, Minimum (in years)	3
Estimated useful lives, Maximum (in years)	7