Commodity and Other Repurchase Agreements	12 Months Ended
Commodity and Other Repurchase Agreements	Sep. 30, 2012
Commodity and Other Repurchase Agreements [Abstract]
Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block]	Commodity and Other Repurchase Agreements The Company's outstanding notes receivable in connection with the sale/repurchase agreements, whereby the customers sell certain commodity inventory and agree to repurchase the commodity inventory at a future date at either a fixed or floating rate, as of September 30, 2012 and 2011 was $92.5 million and $24.3 million, respectively. The obligations outstanding related to commodities sold under repurchase agreements that are recorded within 'broker-dealers, clearing organizations and counterparties' as of September 30, 2012 and 2011 were $37.0 million and $0, respectively. The obligations outstanding related to commodities sold under repurchase agreements that are recorded within 'lenders under loans' as of September 30, 2012 and 2011 were $43.2 million and $17.4 million, respectively.

The entire disclosure for repurchase agreements (also known as repos), resale agreements (also known as reverse repurchase agreements or reverse repos), securities borrowed transactions, and securities loaned transactions.

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