Inventories (Tables)

9 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories comprise the following:

	June 30, 2015		September 30, 2014		June 30, 2014
Gas Utility natural gas	$	19,205	$	82,664	$	45,701
Materials, supplies and other	14,171		12,555		13,049
Total inventories	$	33,376	$	95,219	$	58,750