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Pension Liabilities (Schedule Of Pension Benefit Obligation Recognized In Balance Sheets) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Pension Liabilities [Abstract]    
Current liabilities $ 855us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities $ 15us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities
Noncurrent liabilities $ 6,740us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent $ 7,383us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent