Investment In And Loans To Dynamic Fuels (Schedule Of Equity Method Investments, Statement Of Operations) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Investment In And Loans To Dynamic Fuels [Abstract]
Revenue	$ 46,340	$ 166,986	$ 127,069
Cost of Goods Sold and Operating Expenses and General and Administrative	47,454	179,550	151,341
General and Administrative Expenses	956	1,595	2,516
Loss from Operations	(2,070)	(14,159)	(26,788)
Other Income (Expense)	(1,170)	(2,086)	(2,548)
Net Loss	$ (3,240)	$ (16,245)	$ (29,336)