v2.4.0.8
Derivative Financial Instruments (Details 2) (Derivatives designated as hedging instruments, USD $)
Jun. 30, 2013
Dec. 31, 2012
Other Current Assets [Member]
   
Derivatives, Fair Value    
Foreign Currency Contract, Asset, Fair Value Disclosure $ 2,000,000 $ 0
Other current liabilities
   
Liabilities    
Fair value $ (3,000,000) $ 0