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EMPLOYEE BENEFIT PLANS (Details 3) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Amounts recognized in the statement of financial position    
Noncurrent liabilities $ 6,422 $ (43,271)
Amounts recognized in accumulated other comprehensive income    
Net actuarial loss $ 56,742 $ 102,419