COMMITMENTS AND CONTINGENCIES OTHER CONTINGENCIES (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Product Liability Contingency [Line Items]
Retention for Environmental Impairment	$ 1,000,000
Self-Insurance Liabilities	33,100,000	35,100,000
Weighted average risk free discount rate for self insurance liabilities	0.90%	0.50%
2014	12,581,000
2015	7,549,000
2016	5,820,000
2017	2,618,000
2018	2,183,000
Thereafter	2,862,000
Undiscounted self-insurance liabilities	33,613,000
Less: Discount	469,000
Total self-insurance liabilities (included in accrued expenses)	33,144,000
Minimum
Product Liability Contingency [Line Items]
Deductible Health Insurance Policy	250,000
Maximum
Product Liability Contingency [Line Items]
Deductible Health Insurance Policy	275,000
Safety-Kleen
Product Liability Contingency [Line Items]
Deductible per Occurrence for Workers Compensation	1,000,000
Deductible per Occurrence for General Liability	2,000,000
Deductible per Occurrence for Vehicle Liability	$ 2,000,000