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Income Taxes (Narrative) (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Income Taxes [Line Items]        
Effective tax rate 42.20% 24.00% 38.70% 37.50%
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