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EMPLOYEE BENEFIT PLANS (Assumptions Used) (Details)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Assumptions used to determine the benefit obligations      
Discount rate 4.00% 4.75%  
Rate of compensation increase 4.00% 4.00%  
Assumptions used to determine net periodic benefit cost      
Discount rate 4.75% 5.50% 6.00%
Rate of compensation increase 4.00% 4.50% 4.50%
Expected long-term rate of return on plan assets 7.50% 7.75% 8.00%