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Financial Instruments Income Statement Location (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) $ (212) $ 1,518
Designated as Hedging Instrument | Foreign Exchange Contract | Net investment (losses) gains
   
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) (160) [1] 1,625 [1]
Designated as Hedging Instrument | Commodity Contract | Cost of goods sold
   
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) (147) [1] 0 [1]
Not Designated as Hedging Instrument | Commodity Contract | Realized and unrealized (gain) loss on derivatives
   
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) 140 354
Not Designated as Hedging Instrument | Interest Rate Swap | Interest expense, net
   
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) (45) (277)
Not Designated as Hedging Instrument | Derivative features of subordinated notes | Realized and unrealized (gain) loss on derivatives
   
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) $ 0 $ (184)
[1] $126 Designated as hedging instruments as of March 31, 2014.