Inventories (Tables)

6 Months Ended

Mar. 31, 2012

Inventories [Abstract]

Inventories

	March 31,		September 30,		March 31,
	2012		2011		2011
Non-utility LPG and natural gas	$	261.5	$	222.2	$	160.9
Gas Utility natural gas		12.8		95.6		7.9
Materials, supplies and other		73.5		45.2		53.3
Total inventories	$	347.8	$	363.0	$	222.1