Income Taxes (Tables)

12 Months Ended

Sep. 30, 2012

Income Tax Expense (Benefit) [Abstract]

Income before income taxes

Income before income taxes comprises the following:

	2012		2011		2010
Domestic	$	227.3	$	388.8	$	448.8
Foreign	58.9		50.2		74.5
Total income before income taxes	$	286.2	$	439.0	$	523.3

Provisions for income taxes

The provisions for income taxes consist of the following:

	2012			2011			2010
Current expense (benefit):
Federal	$	(10.4	)	$	24.4		$	60.5
State	11.2			14.5			20.4
Foreign	18.8			15.0			25.8
Investment tax credit	(2.9		)	(5.8		)	(1.7		)
Total current expense	16.7			48.1			105.0
Deferred expense (benefit):
Federal	76.2			79.3			54.5
State	5.2			2.4			6.4
Foreign	1.8			1.4			2.1
Investment tax credit amortization	(0.3		)	(0.4		)	(0.4		)
Total deferred expense	82.9			82.7			62.6
Total income tax expense	$	99.6		$	130.8		$	167.6

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

A reconciliation from the U.S. federal statutory tax rate to our effective tax rate is as follows:

	2012		2011		2010
U.S. federal statutory tax rate	35.0	%	35.0	%	35.0	%
Difference in tax rate due to:
Noncontrolling interests not subject to tax	1.3		(6.0	)	(6.4	)
State income taxes, net of federal benefit	3.8		2.2		3.5
Valuation allowance adjustments	(1.6	)	—		(0.2	)
Effects of foreign operations	(3.6	)	(0.6	)	(0.6	)
Other, net	(0.1	)	(0.8	)	0.7
Effective tax rate	34.8	%	29.8	%	32.0	%

Deferred tax liabilities (assets)

Deferred tax liabilities (assets) comprise the following at September 30:

	2012			2011
Excess book basis over tax basis of property, plant and equipment	$	582.0		$	490.4
Investment in AmeriGas Partners	293.2			172.7
Intangible assets and goodwill	61.2			52.1
Utility regulatory assets	140.4			124.7
Foreign currency translation adjustment	3.6			8.5
Other	6.8			7.2
Gross deferred tax liabilities	1,087.2			855.6
Pension plan liabilities	(72.7		)	(62.8		)
Employee-related benefits	(43.0		)	(42.7		)
Operating loss carryforwards	(38.0		)	(31.8		)
Foreign tax credit carryforwards	(55.5		)	(60.1		)
Utility regulatory liabilities	(11.8		)	(12.4		)
Derivative financial instruments	(37.7		)	(30.5		)
Other	(31.9		)	(32.9		)
Gross deferred tax assets	(290.6		)	(273.2		)
Deferred tax assets valuation allowance	81.6			81.9
Net deferred tax liabilities	$	878.2		$	664.3

Reconciliation of beginning and ending amount of unrecognized tax benefit

A reconciliation of the beginning and ending amounts of unrecognized tax benefits is as follows:

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
Additions for tax positions of the current year	0.5
Additions for tax positions of prior years	0.6
Settlements with tax authorities	(4.5		)
Balance at September 30, 2012	$	2.9