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Long-term Debt - Non-U.S. Bank Debt (Details) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Foreign Debt [Member]
    
Short-term Debt [Line Items]    
Foreign Debt, Amount Outstanding $ 5.2 $ 0.7
Foreign Debt, Percentage Average Interest Rate 4.60% 4.60%
Uncommitted Working Capital Facility [Domain]
    
Short-term Debt [Line Items]    
Foreign Debt, Amount Outstanding 12.5  
Foreign Debt, Percentage Average Interest Rate 2.75%  
Overdraft Facility [Member]
    
Short-term Debt [Line Items]    
Foreign Debt, Amount Outstanding $ 1.0  
Foreign Debt, Percentage Average Interest Rate 0.75%