Other Income, Net (Tables)

12 Months Ended

Sep. 30, 2014

Component of Operating Income [Abstract]

Schedule of Other Income, Net

Other income, net, comprises the following:

	2014		2013		2012
Non-tariff service income	$	2,670	$	2,706	$	2,653
Interest income	1,388		500		572
Other, net	301		1,622		1,764
Total other income, net	$	4,359	$	4,828	$	4,989