Commitments and Contingencies (Tables)

12 Months Ended

Sep. 30, 2011

Commitments and Contingencies [Abstract]

Minimum future payments under operating leases

											After
	2012		2013		2014		2015		2016		2016
AmeriGas Propane	$	53.8	$	45.3	$	37.2	$	29.3	$	21.1	$	40.4
UGI Utilities		4.8		4.3		3.1		2.3		2.1		2.2
International Propane		7.1		5.5		4.0		2.4		2.3		1.3
Other		2.6		2.7		1.9		1.2		0.6		0.4
Total	$	68.3	$	57.8	$	46.2	$	35.2	$	26.1	$	44.3

Contractual obligations under supply storage and service contracts

											After
	2012		2013		2014		2015		2016		2016
Gas Utility and Electric Utility supply, storage and transportation contracts	$	213.0	$	103.3	$	76.2	$	47.8	$	25.0	$	64.0
Midstream & Marketing supply contracts		222.5		54.1		3.6		—		—		—
AmeriGas Propane supply contracts		65.8		—		—		—		—		—
International Propane supply contracts		23.3		—		—		—		—		—
Total	$	524.6	$	157.4	$	79.8	$	47.8	$	25.0	$	64.0