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Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Income Taxes [Line Items]    
Effective tax rate 42.00% 21.10%
Adjustment of valuation allowance (reverse) $ 571  
U.S. Federal Income Tax [Member] | Minimum [Member]
   
Income Taxes [Line Items]    
Tax years subject to examination 2010  
U.S. Federal Income Tax [Member] | Maximum [Member]
   
Income Taxes [Line Items]    
Tax years subject to examination 2013  
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  
Japan Tax Authority [Member]
   
Income Taxes [Line Items]    
Tax years subject to examination 2007  
Italy Tax Authority [Member]
   
Income Taxes [Line Items]    
Tax years subject to examination 2009  
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  
Netherlands Tax Authority [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  
Korea Tax Authority [Member]
   
Income Taxes [Line Items]    
Tax years subject to examination 2008  
India Tax Authority [Member]
   
Income Taxes [Line Items]    
Tax years subject to examination 2012  
China Tax Authority [Member]
   
Income Taxes [Line Items]    
Tax years subject to examination 2013