v2.4.0.8
Derivative Financial Instruments (Schedule Of Gain Or Loss Recognized In Income And Other Comprehensive Income) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]        
Gains (Losses) on Derivative Instruments Not Designated in a Hedging Relationship $ (1,324) $ (2,625) $ 15,764 $ (3,275)
Gain (Loss) Due to Ineffectiveness of Cash Flow Hedges (1,346) (19) (832) (51)
Gains (losses) on cash flow hedges (94,491) (29,875) (179,064) (41,087)
Ineffectiveness recognized in earnings before tax 36   404  
Revenue [Member]
       
Derivative Instruments, Gain (Loss) [Line Items]        
Gains (Losses) on Derivative Instruments Not Designated in a Hedging Relationship (4,884) (2,815) 13,366 (14,482)
Gain (Loss) Due to Ineffectiveness of Cash Flow Hedges 264 (20) (82) (27)
Gains (losses) on cash flow hedges (125,177) (23,841) (213,323) (34,220)
Fair value hedge effect of change in inventory value   (301)    
Effect of fair value hedge   301    
Cost Of Goods Sold [Member]
       
Derivative Instruments, Gain (Loss) [Line Items]        
Gains (Losses) on Derivative Instruments Not Designated in a Hedging Relationship 3,560 190 2,398 11,207
Gain (Loss) Due to Ineffectiveness of Cash Flow Hedges (1,610) 1 (750) (24)
Gains (losses) on cash flow hedges 30,686 (6,034) 34,259 (6,867)
Fair value hedge effect of change in inventory value (693)   2,453  
Effect of fair value hedge $ 729   $ (2,049)