Inventories (Tables)

3 Months Ended

Dec. 31, 2013

Inventory Disclosure [Abstract]

Inventories

Inventories comprise the following:

	December 31, 2013		September 30, 2013		December 31, 2012
Gas Utility natural gas	$	69,117	$	78,950	$	51,838
Materials, supplies and other	11,558		10,711		10,023
Total inventories	$	80,675	$	89,661	$	61,861