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
Mar. 31, 2014
Mar. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items]    
Gains (Losses) on Derivative Instruments Not Designated in a Hedging Relationship $ 17,087 $ (652)
Gain (Loss) Due to Ineffectiveness of Cash Flow Hedges 514 (31)
Gains (losses) on cash flow hedges (84,573) (11,212)
Fair value hedge effect of change in inventory value 3,146 301
Effect of fair value hedge (2,778) (301)
Revenue [Member]
   
Derivative Instruments, Gain (Loss) [Line Items]    
Gains (Losses) on Derivative Instruments Not Designated in a Hedging Relationship 18,250 (11,669)
Gain (Loss) Due to Ineffectiveness of Cash Flow Hedges (346) (6)
Gains (losses) on cash flow hedges (88,146) (10,379)
Cost Of Goods Sold [Member]
   
Derivative Instruments, Gain (Loss) [Line Items]    
Gains (Losses) on Derivative Instruments Not Designated in a Hedging Relationship (1,163) 11,017
Gain (Loss) Due to Ineffectiveness of Cash Flow Hedges 860 (25)
Gains (losses) on cash flow hedges $ 3,573 $ (833)