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Consolidated Statements Of Comprehensive Income (Loss) (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Statement of Comprehensive Income [Abstract]    
Foreign currency translation adjustment, (benefit) tax $ (1,609)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax $ 125us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
Derivative financial instruments adjustment, tax (benefit) (399)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax 117us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax
Amortization of prior service costs and net gains or losses, tax $ 1,462us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax $ 997us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax