Goodwill and Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2011

Goodwill and Intangible Assets [Abstract]

Component of company's intangible assets

	2011			2010
Goodwill (not subject to amortization)	$	1,562.2		$	1,562.7
Other intangible assets:
Customer relationships, noncompete agreements and other	$	232.1		$	215.4
Trademark (not subject to amortization)		47.9			46.3
Gross carrying amount		280.0			261.7
Accumulated amortization		(132.2	)		(111.6	)
Net carrying amount	$	147.8		$	150.1

Changes in the carrying amount of goodwill

	AmeriGas		Gas		Midstream &			International Propane						Corporate &
	Propane		Utility		Marketing			Antargaz			Other			Other & Elims.		Total
Balance September 30, 2009	$	670.1	$	180.1	$	11.8		$	646.9		$	70.4		$	3.0	$	1,582.3
Goodwill acquired		12.9		—		—			—			20.6			—		33.5
Purchase accounting adjustments		0.1		—		—			—			—			—		0.1
Dispositions		—		—		(9.0	)		—			—			4.0		(5.0	)
Foreign currency translation		—		—		—			(44.2	)		(4.0	)		—		(48.2	)
Balance September 30, 2010		683.1		180.1		2.8			602.7			87.0			7.0		1,562.7
Goodwill acquired		13.1		—		—			—			—			—		13.1
Purchase accounting adjustments		0.1		2.0		—			—			(3.2	)		—		(1.0	)
Foreign currency translation		—		—		—			(10.9	)		(1.6	)		—		(12.6	)
Balance September 30, 2011	$	696.3	$	182.1	$	2.8		$	591.8		$	82.2		$	7.0	$	1,562.2