Income Taxes (Tables)

12 Months Ended

Sep. 30, 2015

Income Tax Disclosure [Abstract]

Income Before Income Taxes

Income before income taxes comprises the following:

	2015		2014		2013
Domestic	$	552.3	$	699.2	$	494.1
Foreign	39.5		68.6		96.3
Total income before income taxes	$	591.8	$	767.8	$	590.4

Provisions for Income Taxes

The provisions for income taxes consist of the following:

	2015			2014			2013
Current expense (benefit):
Federal	$	97.1		$	102.4		$	53.3
State	32.2			30.7			25.1
Foreign	36.0			37.0			37.3
Investment tax credit	(1.2		)	(1.6		)	(1.6		)
Total current expense	164.1			168.5			114.1
Deferred expense (benefit):
Federal	28.1			61.9			54.6
State	2.9			7.8			(0.7		)
Foreign	(17.0		)	(2.7		)	(4.9		)
Investment tax credit amortization	(0.3		)	(0.3		)	(0.3		)
Total deferred expense	13.7			66.7			48.7
Total income tax expense	$	177.8		$	235.2		$	162.8

Reconciliation of U.S. Federal Statutory Tax Rate to Effective Tax Rate

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

	2015		2014		2013
U.S. federal statutory tax rate	35.0	%	35.0	%	35.0	%
Difference in tax rate due to:
Noncontrolling interests not subject to tax	(7.9	)	(9.0	)	(8.7	)
State income taxes, net of federal benefit	3.3		3.4		3.4
Valuation allowance adjustments	0.8		—		(0.5	)
Effects of foreign operations	0.2		1.0		(1.8	)
Other, net	(1.4	)	0.2		0.2
Effective tax rate	30.0	%	30.6	%	27.6	%

Deferred Tax Liabilities (Assets)

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

	2015			2014
Excess book basis over tax basis of property, plant and equipment	$	798.4		$	675.7
Investment in AmeriGas Partners	321.4			325.1
Intangible assets and goodwill	87.1			53.0
Utility regulatory assets	117.4			110.0
Foreign currency translation adjustment	0.1			—
Other	8.8			3.5
Gross deferred tax liabilities	1,333.2			1,167.3
Pension plan liabilities	(59.1		)	(40.6		)
Employee-related benefits	(57.6		)	(48.8		)
Operating loss carryforwards	(32.5		)	(27.9		)
Foreign tax credit carryforwards	(113.8		)	(47.8		)
Utility regulatory liabilities	(24.0		)	(14.8		)
Foreign currency translation adjustment	—			(14.1		)
Derivative instruments	(11.4		)	(11.0		)
Other	(23.4		)	(13.0		)
Gross deferred tax assets	(321.8		)	(218.0		)
Deferred tax assets valuation allowance	131.3			59.2
Net deferred tax liabilities	$	1,142.7		$	1,008.5

Reconciliation of Unrecognized Tax Benefits

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

	2015			2014			2013
Unrecognized tax benefits - beginning of year	$	2.4		$	3.4		$	2.9
Additions for tax positions of the current year	0.9			0.7			0.7
Additions for tax positions taken in prior years	0.5			—			—
Settlements with tax authorities	(0.6		)	(1.7		)	(0.2		)
Unrecognized tax benefits - end of year	$	3.2		$	2.4		$	3.4