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EMPLOYEE RETIREMENT PLANS (Details 6)
 12 Months Ended 120 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Equities
Dec. 31, 2013
Fixed-income
Dec. 31, 2013
Global assets
Dec. 31, 2013
Alternative investments
Dec. 31, 2013
Minimum
Dec. 31, 2012
Minimum
Dec. 31, 2013
Defined-benefit pension plans
Dec. 31, 2012
Defined-benefit pension plans
Dec. 31, 2011
Defined-benefit pension plans
Dec. 31, 2013
Defined-benefit pension plans
Minimum
Dec. 31, 2012
Defined-benefit pension plans
Minimum
Dec. 31, 2013
Defined-benefit pension plans
Maximum
Dec. 31, 2012
Defined-benefit pension plans
Maximum
Employee Retirement Plans                                  
Discount rate for obligations (as a percent)                     4.40% 3.80% 4.40% 1.75% 1.75% 4.80% 4.50%
Expected return on plan assets (as a percent) 7.25% 7.25%                 7.25% 7.25% 7.25%        
Discount rate for net periodic pension cost (as a percent)                     3.80% 4.40% 5.30%        
Liabilities having a discount rate for obligations (as a percent)                 4.20% 3.40%              
Actual annual rate of return on pension plan assets (as a percent) 13.60%   5.90% 6.90%                          
Period for actual annual rate of return on the Company's pension plan   10 years                              
Asset allocation (as a percent)         38.00% 22.00% 20.00% 20.00%