Represents the fair value per unit of all foreign currency derivatives not designated as hedging instruments.

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Represents the fair value per unit of all price risk derivatives not designated as hedging instruments.

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Represents the fair value per unit of all price risk derivatives designated as fair value hedging instruments.

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Fair value as of the balance sheet date of the assets less the liabilities of a derivative or group of derivatives.

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Net gain (loss) from the increase (decrease) in fair value of derivative instrument not designated as hedging instrument.

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-Name Statement of Financial Accounting Standard (FAS)

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Fair value as of the balance sheet date of all foreign currency derivatives not designated as hedging instruments.

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Gain recognized in earnings during the reporting period representing the amount of the fair value hedges' ineffectiveness.

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Loss recognized in earnings during the reporting period representing the amount of the fair value hedges' ineffectiveness.

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Aggregate notional amount of price risk derivatives not designated as a hedging instrument with notional amounts expressed in nonmonetary units. For example the number of barrels specified in a fuel oil forward purchase contract.

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Aggregate notional amount of price risk derivatives designated as a fair value hedge with notional amounts expressed in nonmonetary units. For example the number of barrels specified in a fuel oil forward purchase contract.

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Aggregate notional amount of all foreign currency derivatives not designated as hedging instruments. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.

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Derivatives (Details)	12 Months Ended
Derivatives (Details)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2011 Derivatives designated as hedging instruments USD ($)	Dec. 31, 2011 Derivatives not designated as hedging instruments USD ($)	Dec. 31, 2011 Commodity contract (long) 2012 GAL USD ($) USDPerGAL	Dec. 31, 2011 Commodity contract (long) 2012 MT USD ($) USDPerMetricTon	Dec. 31, 2011 Commodity contract (long) 2013 GAL USD ($) USDPerGAL	Dec. 31, 2011 Commodity contract (long) 2013 MT USD ($) USDPerMetricTon	Dec. 31, 2011 Commodity contract (long) 2014 MT USD ($) USDPerMetricTon	Dec. 31, 2011 Commodity contract (short) 2012 GAL USD ($) USDPerGAL	Dec. 31, 2011 Commodity contract (short) 2012 MT USD ($) USDPerMetricTon	Dec. 31, 2011 Commodity contract (short) 2013 GAL USD ($) USDPerGAL	Dec. 31, 2011 Commodity contract (short) 2013 MT USD ($) USDPerMetricTon	Dec. 31, 2011 Commodity contract (short) 2014 MT USD ($) USDPerMetricTon	Dec. 31, 2011 Commodity contract inventory (short) 2012 GAL USD ($) USDPerGAL	Dec. 31, 2011 Commodity contract inventory (short) 2012 MT USD ($) USDPerMetricTon	Dec. 31, 2011 Foreign currency contracts (long) 2011 EUR USD ($) USDPerEUR	Dec. 31, 2011 Foreign currency contracts (long) 2011 EUR EUR (€)	Dec. 31, 2011 Foreign currency contracts (long) 2012 CAD USD ($) USDPerCAD	Dec. 31, 2011 Foreign currency contracts (long) 2012 CAD	Dec. 31, 2011 Foreign currency contracts (long) 2012 CLP USD ($) USDPerCLP	Dec. 31, 2011 Foreign currency contracts (long) 2012 CLP	Dec. 31, 2011 Foreign currency contracts (long) 2012 GBP USD ($) USDPerGBP	Dec. 31, 2011 Foreign currency contracts (long) 2012 GBP GBP (£)	Dec. 31, 2011 Foreign currency contracts (long) 2012 MXN USD ($) USDPerMXN	Dec. 31, 2011 Foreign currency contracts (long) 2012 MXN	Dec. 31, 2011 Foreign currency contracts (long) 2012 SGD USD ($) USDPerSGD	Dec. 31, 2011 Foreign currency contracts (long) 2012 SGD	Dec. 31, 2011 Foreign currency contracts (long) 2012 AUD USD ($) USDperAUD	Dec. 31, 2011 Foreign currency contracts (long) 2012 AUD	Dec. 31, 2011 Foreign currency contracts (long) 2012 UYU USD ($) USDperUYU	Dec. 31, 2011 Foreign currency contracts (long) 2012 UYU	Dec. 31, 2011 Foreign currency contracts (long) 2013 GBP USD ($) USDPerGBP	Dec. 31, 2011 Foreign currency contracts (long) 2013 GBP GBP (£)	Dec. 31, 2011 Foreign currency contracts (short) 2012 CAD USD ($) USDPerCAD	Dec. 31, 2011 Foreign currency contracts (short) 2012 CAD	Dec. 31, 2011 Foreign currency contracts (short) 2012 EUR USD ($) USDPerEUR	Dec. 31, 2011 Foreign currency contracts (short) 2012 EUR EUR (€)	Dec. 31, 2011 Foreign currency contracts (short) 2012 GBP USD ($) USDPerGBP	Dec. 31, 2011 Foreign currency contracts (short) 2012 GBP GBP (£)	Dec. 31, 2011 Foreign currency contracts (short) 2012 MXN USD ($) USDPerMXN	Dec. 31, 2011 Foreign currency contracts (short) 2012 MXN	Dec. 31, 2011 Foreign currency contracts (short) 2012 AUD USD ($) USDperAUD	Dec. 31, 2011 Foreign currency contracts (short) 2012 AUD	Dec. 31, 2011 Foreign currency contracts (short) 2013 GBP USD ($) USDPerGBP	Dec. 31, 2011 Foreign currency contracts (short) 2013 GBP GBP (£)
Derivatives
Unrealized net gain related to the ineffectiveness between the entity's derivative hedging instruments and hedged items	$ 2,400,000
Unrealized net loss related to the ineffectiveness between the entity's derivative hedging instruments and hedged items		800,000
Unrealized net gain (loss) related to non-designated derivative positions	11,100,000	(100,000)
Derivative instruments, at their respective fair value positions
Fair Value Hedge, Notional value of commodity contracts					778,000	1,000				1,848,000					54,264,000	75,000
Mark-to-Market Prices of fair value hedge commodity contracts					0.01	11.00				(0.12)					(0.01)	(3.19)
Mark-to-Market value of fair value hedge commodity contracts					11,000	11,000				(219,000)					(552,000)	(239,000)
Non-Designated, Notional value of commodity contracts					95,925,000	4,915,000	3,385,000	68,000	3,000	156,443,000	3,598,000	7,157,000	19,000	6,000
Mark-to-Market Prices of non-designated commodity contracts					0.02	4.11	0.11	(13.93)	(45.33)	0.00	(4.10)	0.10	32.16	48.33
Mark-to-Market value of non-designated commodity contracts					2,238,000	20,196,000	380,000	(947,000)	(136,000)	555,000	(14,750,000)	720,000	611,000	290,000
Non-Designated, Notional amount of foreign currency contracts																		389,000		3,096,000		3,551,328,000		11,927,000		163,922,000		2,800,000		724,000		9,500,000		9,230,000		15,300,000		11,500,000		55,834,000		81,028,000		499,000		16,665,000
Mark-to-Market Prices of non-designated foreign currency contracts																	(0.03)	(0.03)	0.00	0.00	0.00	0.00	(0.02)	(0.02)	0.00	0.00	0.00	0.00	0.01	0.01	0.00	0.00	(0.05)	(0.05)	0.00	0.00	0.00	0.00	0.03	0.03	0.00	0.00	(0.06)	(0.06)	0.06	0.06
Mark-to-Market value of non-designated foreign currency contracts																	(12,000)		13,000		(16,000)		(193,000)		(56,000)		8,000		5,000		4,000		(461,000)		(57,000)		27,000		1,676,000		5,000		(29,000)		1,062,000
Mark-to-Market, Total			$ (988,000)	$ 11,133,000