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Commitments And Contingencies (Changes In Redeemable Noncontrolling Interests) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Commitments And Contingencies [Abstract]    
Balance at January 1 $ 8,872us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount   
Changes in redemption value    8,550ddd_RedeemableNonControllingInterestPeriodIncrease
Currency translation adjustments    322ddd_RedeemableNonControllingInterestCurrencyTranslationAdjustment
Balance at March 31, $ 8,872us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount $ 8,872us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount