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Income Taxes (Narrative) (Details)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Income Taxes [Line Items]    
Effective tax rate 34.60%us-gaap_EffectiveIncomeTaxRateContinuingOperations 42.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations
U.S. Internal Revenue Service [Member] | Minimum [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2011  
U.S. Internal Revenue Service [Member] | Maximum [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2014  
U.S. Internal Revenue Service, Loss Carryforward [Member] | Minimum [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 1997  
U.S. Internal Revenue Service, Loss Carryforward [Member] | Maximum [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2007  
Australia Tax Authority [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2009  
Belgium Tax Authority [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2010  
Brazil Tax Authority [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2014  
China Tax Authority [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2010  
France Tax Authority [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2011  
German Tax Authority [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2011  
India Tax Authority [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2012  
Israel Tax Authority [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2010  
Italy Tax Authority [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2009  
Japan Tax Authority [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2008  
Korea Tax Authority [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2009  
Mexican Tax Authority [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2014  
Netherlands Tax Authority [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2007  
Switzerland Tax Authority [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2008  
United Kingdom Tax Authority [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2009  
Uruguay Tax Authority [Member]    
Income Taxes [Line Items]    
Tax years subject to examination 2014