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LEASE COMMITMENTS (Details) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
LEASE COMMITMENTS [Abstract]      
Operating Leases, Rent Expense $ 2,200,000 $ 1,500,000 $ 2,100,000
Operating Leases, Future Minimum Payments Due [Abstract]      
2013 6,659,000    
2014 5,015,000    
2015 3,833,000    
2016 3,848,000    
2017 2,354,000    
Thereafter 3,876,000    
Total future minimum lease payments 25,585,000    
Capital Leased Assets, Gross 9,400,000    
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
2013 1,443,000    
2014 845,000    
2015 613,000    
2016 165,000    
2017 42,000    
Thereafter 2,000    
Capital Leases, Future Minimum Payments Due 3,110,000    
Capital Leases, Future Minimum Payments, Interest Included in Payments (127,000)    
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments $ 2,983,000