Inventories (Tables)

9 Months Ended

Jun. 30, 2020

Inventory Disclosure [Abstract]

Components of Inventories

Inventories comprise the following: 

	June 30, 2020		September 30, 2019		June 30, 2019
Non-utility LPG and natural gas	$	134.7	$	150.2	$	141.6
Gas Utility natural gas	10.7		26.6		15.5
Materials, supplies and other	55.4		53.1		58.0
Total inventories	$	200.8	$	229.9	$	215.1