Income Taxes (Schedule of Components of Deferred Income Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Gross assets, current	$ 5,297	$ 5,335
Gross liabilities, current		(845)
Net current deferred income tax asset	5,297	4,490
Gross assets, noncurrent	11,532	9,016
Gross liabilities, noncurrent	(110)
Net noncurrent deferred income tax asset	11,422	9,016
Net deferred income tax asset	$ 16,719	$ 13,506