Inventories (Tables)

9 Months Ended

Jun. 30, 2012

Inventory Disclosure [Abstract]

Inventories

Inventories comprise the following:

	June 30, 2012		September 30, 2011		June 30, 2011
Non-utility LPG and natural gas	$	220.1	$	222.2	$	170.5
Gas Utility natural gas	27.8		95.6		50.1
Materials, supplies and other	69.4		45.2		51.0
Total inventories	$	317.3	$	363.0	$	271.6