Disclosures About Derivative Instruments and Hedging Activities (Tables)

6 Months Ended

Mar. 31, 2012

Disclosures About Derivative Instruments and Hedging Activities [Abstract]

Outstanding derivative commodity instruments volumes

	Volumes
	March 31,
Commodity	2012		2011
LPG (millions of gallons)		146.8		47.3
Natural gas (millions of dekatherms)		22.8		21.9
Electricity calls (millions of kilowatt-hours)		1,793.9		1,516.2
Electricity puts (millions of kilowatt-hours)		153.6		—

Balance sheet location and fair value of derivative assets and liabilities

	Derivative Assets						Derivative (Liabilities)
			Fair Value					Fair Value
	Balance Sheet		March 31,				Balance Sheet	March 31,
	Location		2012		2011		Location	2012			2011
Derivatives Designated as Hedging Instruments:
Commodity contracts		Derivative financial instruments and Other assets	$	4.4	$	12.3	Derivative financial instruments and Other noncurrent liabilities	$	(65.4	)	$	(9.7	)
Foreign currency contracts		Derivative financial instruments and Other assets		3.1		0.3	Derivative financial instruments and Other noncurrent liabilities		—			(4.0	)
Interest rate contracts		Other assets		—		13.0	Derivative financial instruments and Other noncurrent liabilities		(53.2	)		(0.2	)
Total Derivatives Designated as Hedging Instruments			$	7.5	$	25.6		$	(118.6	)	$	(13.9	)
Derivatives Accounted for under ASC 980:
Commodity contracts		Derivative financial instruments	$	—	$	1.6	Derivative financial instruments and Other noncurrent liabilities	$	(17.9	)	$	(10.7	)
Derivatives Not Designated as Hedging Instruments:
Commodity contracts		Derivative financial instruments	$	6.6	$	0.8
Total Derivatives			$	14.1	$	28.0		$	(136.5	)	$	(24.6	)

Effects of derivative instruments on the Condensed Consolidated Statements of Income and changes in AOCI and noncontrolling interest

Three Months Ended March 31,:

	Gain (Loss)						Gain (Loss)						Location of
	Recognized in						Reclassified from						Gain (Loss)
	AOCI and						AOCI and Noncontrolling						Reclassified from
	Noncontrolling Interests						Interests into Income						AOCI and Noncontrolling
	2012			2011			2012			2011			Interests into Income
Cash Flow Hedges:
Commodity contracts	$	(49.6	)	$	6.8		$	(43.9	)	$	(3.0	)	Cost of sales
Foreign currency contracts		(2.3	)		(4.4	)		1.1			0.2		Cost of sales
Interest rate contracts		(2.8	)		10.4			(3.2	)		(3.5	)	Interest expense / other income, net
Total	$	(54.7	)	$	12.8		$	(46.0	)	$	(6.3	)
Net Investment Hedges:
Foreign currency contracts	$	(0.5	)	$	(1.0	)
	Gain (Loss)												Location of Gain (Loss)
	Recognized in Income												Recognized in Income
Derivatives Not Designated as Hedging Instruments:	2012			2011
Commodity contracts	$	0.3		$	0.2								Cost of sales
Commodity contracts		0.3			(0.5	)							Operating expenses / other income, net
Total	$	0.6		$	(0.3	)

Six Months Ended March 31,:

	Gain (Loss)						Gain (Loss)						Location of
	Recognized in						Reclassified from						Gain (Loss)
	AOCI and						AOCI and Noncontrolling						Reclassified from
	Noncontrolling Interests						Interests into Income						AOCI and Noncontrolling
	2012			2011			2012			2011			Interests into Income
Cash Flow Hedges:
Commodity contracts	$	(106.8	)	$	26.7		$	(63.4	)	$	(23.0	)	Cost of sales
Foreign currency contracts		(0.3	)		(1.5	)		2.0			(0.8	)	Cost of sales
Interest rate contracts		(12.5	)		24.9			(5.1	)		(7.2	)	Interest expense / other income, net
Total	$	(119.6	)	$	50.1		$	(66.5	)	$	(31.0	)
Net Investment Hedges:
Foreign currency contracts	$	—		$	(0.6	)

	Gain (Loss)					Location of Gain (Loss)
	Recognized in Income					Recognized in Income
Derivatives Not Designated as Hedging Instruments:	2012		2011
Commodity contracts	$	3.3	$	0.4		Cost of sales
Commodity contracts		0.2		(0.6	)	Operating expenses / other income, net
Foreign currency contracts		0.5		—		Other income, net
Total	$	4.0	$	(0.2	)