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CONSOLIDATED COMPREHENSIVE LOSS (Parenthetical) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
CONSOLIDATED COMPREHENSIVE LOSS [Abstract]      
Change in employees plan assets and benefit obligations, tax $ 1,774us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax $ 1,268us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax $ 1,591us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax