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Derivative Financial Instruments (Derivatives In Cash Flow Hedging Relationships) (Details) (Designated As Hedging Instruments [Member], Commodity Contracts [Member], Cost Of Products Sold [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Designated As Hedging Instruments [Member] \| Commodity Contracts [Member] \| Cost Of Products Sold [Member]
Derivative [Line Items]
Amount of Gain or (Loss) Recognized in OCI on Derivatives (Effective Portion)	$ (8,454)	$ (29,957)	$ (48,616)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Earnings (Effective Portion)	(37,093)	(35,141)	(40,543)
Amount of Gain or (Loss) Recognized in Earnings on Derivative (Ineffective Portion)	$ 600	$ 600	$ (1,700)

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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- Definition

The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

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- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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