XML 23 R30.htm IDEA: XBRL DOCUMENT v2.4.0.6
Derivatives (Details 3) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Derivatives instruments designated as hedging instruments | Fair value hedges
       
Gain (loss) on derivative        
Realized and Unrealized Gain (Loss) on Hedge $ (38,337) $ 8,406 $ (29,296) $ (16,813)
Derivatives instruments designated as hedging instruments | Fair value hedges | Hedged items
       
Gain (loss) on derivative        
Realized and Unrealized Gain (Loss) on Hedged Item 44,615 (2,707) 41,734 33,111
Derivatives instruments designated as hedging instruments | Fair value hedges | Revenue | Hedged item commitments
       
Gain (loss) on derivative        
Realized and Unrealized Gain (Loss) on Hedged Item   7,284 (201) (9,505)
Derivatives instruments designated as hedging instruments | Fair value hedges | Cost of revenue | Hedged item commitments
       
Gain (loss) on derivative        
Realized and Unrealized Gain (Loss) on Hedged Item   (855) 739 7,456
Derivatives instruments designated as hedging instruments | Fair value hedges | Cost of revenue | Hedged item inventories
       
Gain (loss) on derivative        
Realized and Unrealized Gain (Loss) on Hedged Item 44,615 (9,136) 41,196 35,160
Derivatives instruments not designated as hedging instruments
       
Gain (loss) on derivative        
Realized and Unrealized Gain (Loss) (521) 6,739 10,865 10,138
Commodity contracts | Derivatives instruments designated as hedging instruments | Fair value hedges | Revenue
       
Gain (loss) on derivative        
Realized and Unrealized Gain (Loss) on Hedge   (7,081) 265 9,124
Commodity contracts | Derivatives instruments designated as hedging instruments | Fair value hedges | Cost of revenue
       
Gain (loss) on derivative        
Realized and Unrealized Gain (Loss) on Hedge   1,112 (1,417) (6,718)
Commodity contracts | Derivatives instruments not designated as hedging instruments | Revenue
       
Gain (loss) on derivative        
Realized and Unrealized Gain (Loss) 30,928 3,703 14,156 6,751
Commodity contracts | Derivatives instruments not designated as hedging instruments | Cost of revenue
       
Gain (loss) on derivative        
Realized and Unrealized Gain (Loss) (29,272) (379) 298 2,844
Foreign currency contracts | Derivatives instruments designated as hedging instruments | Cash flow hedges
       
Gain (loss) on derivative        
Amount of Gain Recognized in Accumulated Other Comprehensive Income (Effective Portion) 127   127  
Foreign currency contracts | Derivatives instruments designated as hedging instruments | Cash flow hedges | Other income (expense), net
       
Gain (loss) on derivative        
Amount of Gain Recognized in Accumulated Other Comprehensive Income (Effective Portion) 13   13  
Foreign currency contracts | Derivatives instruments not designated as hedging instruments | Revenue
       
Gain (loss) on derivative        
Realized and Unrealized Gain (Loss) (1,392) 1,361 (2,120) 1,361
Foreign currency contracts | Derivatives instruments not designated as hedging instruments | Other income (expense), net
       
Gain (loss) on derivative        
Realized and Unrealized Gain (Loss) (785) 2,054 (1,469) (818)
Commodity contracts. | Derivatives instruments designated as hedging instruments | Fair value hedges | Cost of revenue
       
Gain (loss) on derivative        
Realized and Unrealized Gain (Loss) on Hedge $ (38,337) $ 14,375 $ (28,144) $ (19,219)