Supporting Financial Information - Other Income (Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest expense, net	$ 0	$ (36)
Other expense, net	(575)	0
Other income (expense) net	(575)	$ (36)
Potential business acquisition expense	$ (600)