Income Taxes (Tables)

12 Months Ended

Sep. 30, 2011

Income Taxes [Abstract]

Income before income taxes

	2011		2010		2009
Domestic	$	388.8	$	448.8	$	431.7
Foreign		50.2		74.5		109.4
Total income before income taxes	$	439.0	$	523.3	$	541.1

Provisions for income taxes

	2011			2010			2009
Current expense:
Federal	$	24.4		$	60.5		$	69.6
State		14.5			20.4			21.6
Foreign		15.0			25.8			41.1
Investment tax credit		(5.8	)		(1.7	)		—
Total current expense		48.1			105.0			132.3
Deferred expense (benefit):
Federal		79.3			54.5			27.6
State		2.4			6.4			(1.1	)
Foreign		1.4			2.1			0.7
Investment tax credit amortization		(0.4	)		(0.4	)		(0.4	)
Total deferred expense		82.7			62.6			26.8
Total income tax expense	$	130.8		$	167.6		$	159.1

A reconciliation from the U.S. federal statutory tax rate to our effective tax rate

	2011			2010			2009
U.S. federal statutory tax rate		35.0	%		35.0	%		35.0	%
Difference in tax rate due to:
Noncontrolling interests not subject to tax		(6.0	)		(6.4	)		(8.0	)
State income taxes, net of federal benefit		2.2			3.5			2.5
Effects of international operations		(0.6	)		(0.6	)		(0.3	)
Other, net		(0.8	)		0.5			0.2
Effective tax rate		29.8	%		32.0	%		29.4	%

Deferred tax liabilities (assets)

	2011			2010
Excess book basis over tax basis of property, plant and equipment	$	490.4		$	414.9
Investment in AmeriGas Partners		172.7			170.9
Intangible assets and goodwill		52.1			51.0
Utility regulatory assets		124.7			127.4
Foreign currency translation adjustment		8.5			12.9
Other		7.2			8.6
Gross deferred tax liabilities		855.6			785.7
Pension plan liabilities		(62.8	)		(76.1	)
Employee-related benefits		(42.7	)		(42.4	)
Operating loss carryforwards		(31.8	)		(25.5	)
Foreign tax credit carryforwards		(60.1	)		(61.3	)
Utility regulatory liabilities		(12.4	)		(13.5	)
Derivative financial instruments		(30.5	)		(34.8	)
Other		(32.9	)		(41.7	)
Gross deferred tax assets		(273.2	)		(295.3	)
Deferred tax assets valuation allowance		81.9			78.4
Net deferred tax liabilities	$	664.3		$	568.8

Reconciliation of beginning and ending amount of unrecognized tax benefit

Balance at September 30, 2008	$	4.9
Additions for tax positions of the current year		0.5
Additions for tax positions of prior years		0.3
Reductions as a result of tax positions taken in prior years		(1.2	)
Settlements with tax authorities		(2.2	)
Balance at September 30, 2009		2.3
Additions for tax positions of the current year		4.3
Reductions as a result of tax positions taken in prior years		(0.2	)
Settlements with tax authorities		(1.0	)
Balance at September 30, 2010		5.4
Additions for tax positions of the current year		0.4
Additions for tax positions of prior years		1.0
Settlements with tax authorities		(0.5	)
Balance at September 30, 2011	$	6.3