Investment In And Loans To Dynamic Fuels (Schedule Of Equity Method Investments) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Sep. 30, 2012
Investment In And Loans To Dynamic Fuels [Abstract]
Cash and Current Assets	$ 9,615	$ 9,337
Inventory	3,233	17,509
Property, Plant and Equipment and Other Assets	154,965	150,258
Total Assets	167,813	177,104
Accounts Payable	1,404	10,241
Notes and Accounts Payable to Related Parties	18,982	29,976
Long-Term Liabilities	100,058	100,051
Total Liabilities	120,444	140,268
Total Members' Equity	47,369	36,836
Total Liabilities and Members' Equity	$ 167,813	$ 177,104