Supporting Financial Information - Other Income (Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Document Fiscal Year Focus	2017
Interest income (expense), net	$ (225)	$ 0
Amortization of deferred financing costs	(60)	0
Increase (Decrease) in Derivative Assets and Liabilities	(79)	0
Other income (expense), net	0	(575)
Other income (expense) net	$ (364)	$ (575)