COMMITMENTS AND CONTINGENCIES OTHER CONTINGENCIES (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Product Liability Contingency [Line Items]
Deductible Health Insurance Policy	$ 275,000
Deductible per Occurrence for Workers Compensation, General Liability and Vehicle Liability	500,000
Rentention for Enviromental Impairment	1,000,000
Self-Insurance Liabilities	12,900,000	12,100,000
Weighted average risk free discount rate for self insurance liabilities	0.69%	1.24%
2012	4,588,000
2013	2,806,000
2014	2,041,000
2015	1,252,000
2016	759,000
Thereafter	1,563,000
Undiscounted self-insurance liabilities	13,009,000
Less: Discount	142,000
Total self-Insurance liabilities (included in accrued expenses)	12,867,000
Other Contingencies [Member]
Product Liability Contingency [Line Items]
Payment to acquire minority interest in a privately-held company	$ 10,500,000	$ 10,500,000