BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 4) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Self-Insurance
Accrued benefits	$ 46,243,000	$ 41,350,000
Self-Insurance
Self-Insurance
Product liability insurance with retention	4,000,000
Aggregate cap on retained losses	10,000,000
General liability insurance with retention	250,000
Aggregate cap on retained losses	1,000,000
Reimbursement of workers compensation liability	250,000
Reimbursement of auto liability	100,000
Annual medical benefit maximum per individual	500,000
Lifetime medical benefit maximum per individual	2,000,000
Accrued benefits	$ 2,000,000	$ 1,900,000