Derivatives (Summary Of Derivative Contracts) (Details) - USD ($)		Jun. 30, 2016	Sep. 30, 2015
Derivatives [Abstract]
Gross amounts recognized - Current Assets	[1]		$ 4,210,764
Offsetting adjustments - Current Assets	[1]
Net presentation on Condensed Balance - Current Assets	[1]		$ 4,210,764
Gross amounts recognized - Current Liabilities	[1]	$ 1,690,516
Offsetting adjustments - Current Liabilities	[1]
Net presentation on Condensed Balance - Current Liabilities	[1]	$ 1,690,516

[1] See Fair Value Measurements section for further disclosures regarding fair value of financial instruments.