Annual report pursuant to Section 13 and 15(d)

Employee Retirement Benefits (Summary Of The Balance Sheet Impact, Including Benefit Obligations, Assets And Funded Status Of The Pension Plan) (Details)

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Employee Retirement Benefits (Summary Of The Balance Sheet Impact, Including Benefit Obligations, Assets And Funded Status Of The Pension Plan) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Employee Retirement Benefits [Abstract]      
Benefit obligation at the beginning of the year $ 3,340us-gaap_DefinedBenefitPlanBenefitObligation $ 5,675us-gaap_DefinedBenefitPlanBenefitObligation  
Service cost 8us-gaap_DefinedBenefitPlanServiceCost 5us-gaap_DefinedBenefitPlanServiceCost 275us-gaap_DefinedBenefitPlanServiceCost
Interest cost 143us-gaap_DefinedBenefitPlanInterestCost 186us-gaap_DefinedBenefitPlanInterestCost 244us-gaap_DefinedBenefitPlanInterestCost
Augmentations   211us-gaap_DefinedBenefitPlanPlanAmendments  
Actuarial losses/(gains) 363us-gaap_DefinedBenefitPlanActuarialGainLoss (198)us-gaap_DefinedBenefitPlanActuarialGainLoss  
Benefits paid (78)us-gaap_DefinedBenefitPlanBenefitsPaid (293)us-gaap_DefinedBenefitPlanBenefitsPaid  
Changes due to plan settlement   (2,363)us-gaap_DefinedBenefitPlanSettlementsBenefitObligation  
Foreign currency (losses)/gains (192)us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation 117us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation  
Benefit obligation at the end of the year 3,584us-gaap_DefinedBenefitPlanBenefitObligation 3,340us-gaap_DefinedBenefitPlanBenefitObligation 5,675us-gaap_DefinedBenefitPlanBenefitObligation
Fair value of plan assets at beginning of year 3,645us-gaap_DefinedBenefitPlanFairValueOfPlanAssets 5,547us-gaap_DefinedBenefitPlanFairValueOfPlanAssets  
Actual return on plan assets 340us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets 343us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets  
Employer contributions 59us-gaap_DefinedBenefitPlanContributionsByEmployer 297us-gaap_DefinedBenefitPlanContributionsByEmployer  
Benefits paid (78)us-gaap_DefinedBenefitPlanBenefitsPaid (293)us-gaap_DefinedBenefitPlanBenefitsPaid  
Changes due to plan settlements   (2,363)us-gaap_DefinedBenefitPlanSettlementsPlanAssets  
Foreign currency (gains)/losses (210)us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets 114us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets  
Fair value of plan assets at end of year 3,756us-gaap_DefinedBenefitPlanFairValueOfPlanAssets 3,645us-gaap_DefinedBenefitPlanFairValueOfPlanAssets 5,547us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Funded status at end of year - net asset $ 172us-gaap_DefinedBenefitPlanFundedStatusOfPlan $ 305us-gaap_DefinedBenefitPlanFundedStatusOfPlan