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Physical Commodities Inventory
12 Months Ended
Sep. 30, 2011
Physical Commodities Inventory [Abstract]  
Inventory Disclosure [Text Block]
Physical Commodities Inventory
Commodities in process include commodities in the process of being recycled. As of September 30, 2011 and 2010, $159.4 million and $124.8 million, respectively, of physical commodities inventory served as collateral under one of the Company’s credit facilities, as detailed further in Note 12. The carrying values of the Company’s inventory as of September 30, 2011 and 2010 are shown below. 
(in millions)
September 30,
2011
 
September 30, 2010
Commodities in process
$
2.4

 
$
3.6

Finished commodities
158.2

 
121.4

Physical commodities inventory
$
160.6

 
$
125.0

As a result of declining market prices for some commodities, the Company recorded LCM adjustments for physical commodities inventory of $21.9 million and $0.7 million as of September 30, 2011 and 2010, respectively. The adjustments are included within 'cost of sales of physical commodities' in the consolidated income statements.