Inventories (Tables)

9 Months Ended

Jun. 30, 2019

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories comprise the following:

	June 30, 2019		September 30, 2018		June 30, 2018
Gas Utility natural gas	$	15,465	$	37,287	$	18,608
Materials, supplies and other	16,798		15,126		16,055
Total inventories	$	32,263	$	52,413	$	34,663