Reconciliation of the Total Amounts of Unrecognized Tax Liabilities (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Unrecognized Tax Liabilities, Beginning Balance	$ 314	$ 355	$ 852
Change in prior year tax positions	9	(22)	(420)
Current tax positions	23	142	63
Settlements with taxing authorities	0	(47)	(145)
Lapse of statute of limitations	(45)	(114)	5
Unrecognized Tax Liabilities, Ending Balance	$ 301	$ 314	$ 355