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Derivatives (Details) In Thousands, unless otherwise specified	Jun. 30, 2012 Derivatives designated as hedging instruments USD ($)	Jun. 30, 2012 Derivatives designated as hedging instruments Commodity contract inventory (short) 2012 GAL USD ($) USDPerGAL	Jun. 30, 2012 Derivatives designated as hedging instruments Commodity contract inventory (short) 2012 MT USD ($) USDPerMetricTon	Jun. 30, 2012 Derivatives not designated as hedging instruments USD ($)	Jun. 30, 2012 Derivatives not designated as hedging instruments Commodity contract (long) 2012 GAL USD ($) USDPerGAL	Jun. 30, 2012 Derivatives not designated as hedging instruments Commodity contract (long) 2012 MT USD ($) USDPerMetricTon	Jun. 30, 2012 Derivatives not designated as hedging instruments Commodity contract (long) 2013 GAL USD ($) USDPerGAL	Jun. 30, 2012 Derivatives not designated as hedging instruments Commodity contract (long) 2013 MT USD ($) USDPerMetricTon	Jun. 30, 2012 Derivatives not designated as hedging instruments Commodity contract (long) 2014 MT USD ($) USDPerMetricTon	Jun. 30, 2012 Derivatives not designated as hedging instruments Commodity contract (short) 2012 GAL USD ($) USDPerGAL	Jun. 30, 2012 Derivatives not designated as hedging instruments Commodity contract (short) 2012 MT USD ($) USDPerMetricTon	Jun. 30, 2012 Derivatives not designated as hedging instruments Commodity contract (short) 2013 GAL USD ($) USDPerGAL	Jun. 30, 2012 Derivatives not designated as hedging instruments Commodity contract (short) 2013 MT USD ($) USDPerMetricTon	Jun. 30, 2012 Derivatives not designated as hedging instruments Commodity contract (short) 2014 MT USD ($) USDPerMetricTon	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2012 CAD USD ($) USDPerCAD	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2012 CAD	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2012 CLP USD ($) USDPerCLP	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2012 CLP	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2012 EUR USD ($) USDPerEUR	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2012 EUR EUR (€)	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2012 GBP USD ($) USDPerGBP	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2012 GBP GBP (£)	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2012 MXN USD ($) USDPerMXN	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2012 MXN	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2012 AUD USD ($) USDPerAUD	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2012 AUD	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2012 BRL USD ($) USDPerBRL	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2012 BRL	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2012 SGD USD ($) USDPerSGD	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2012 SGD	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 GBP USD ($) USDPerGBP	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 GBP GBP (£)	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 CAD USD ($) USDPerCAD	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 CAD	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 CLP USD ($) USDPerCLP	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 CLP	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 EUR USD ($) USDPerEUR	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 EUR EUR (€)	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 GBP USD ($) USDPerGBP	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 GBP GBP (£)	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 MXN USD ($) USDPerMXN	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 MXN	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 AUD USD ($) USDPerAUD	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 AUD	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 RON USD ($) USDPerSGD	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 RON	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 DKK USD ($) USDPerDKK	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 DKK	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 COP USD ($) USDPerCOP	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 COP	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 SGD USD ($) USDPerSGD	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2012 SGD	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 GBP USD ($) USDPerGBP	Jun. 30, 2012 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 GBP GBP (£)
Derivative instruments, at their respective fair value positions
Fair Value Hedge, Notional value of commodity contracts		63,331,000	48,000
Mark-to-Market Prices of fair value hedge commodity contracts		(0.09)	(34.90)
Mark-to-Market value of fair value hedge commodity contracts		$ (5,551)	$ (1,675)
Non-Designated, Notional value of commodity contracts					222,725,000	4,792,000	16,298,000	1,702,000	3,000	321,090,000	3,366,000	66,505,000	600,000	6,000
Mark-to-Market Prices of non-designated commodity contracts					(0.03)	(19.26)	(0.02)	(28.62)	(42.00)	0.08	21.30	0.20	60.64	50.17
Mark-to-Market value of non-designated commodity contracts					(6,486)	(92,284)	(263)	(48,704)	(126)	28,814	71,698	13,500	36,384	301
Non-Designated, Notional amount of foreign currency contracts																13,442		1,758,457		2,069		19,812		182,641		491		2,336		7,000		27,715		13,300		73,000		15,834		73,601		44,855		497		5,100		17,000		14,200,000		11,400		43,115
Mark-to-Market Prices of non-designated foreign currency contracts															0.01	0.01	0.00	0.00	0.01	0.01	0.00	0.00	0.00	0.00	0.02	0.02	0.01	0.01	0.00	0.00	(0.02)	(0.02)	(0.01)	(0.01)	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	(0.02)	(0.02)	0.00	0.00	0.00	0.00	0.00	0.00	(0.01)	(0.01)	0.02	0.02
Mark-to-Market value of non-designated foreign currency contracts															110		(5)		11		6		119		8		12		23		(439)		(111)		2		(74)		(168)		(17)		(8)		(17)		(44)		23		(109)		795
Mark-to-Market, Total	$ (7,226)			$ 2,946

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