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Physical Commodities Inventory
3 Months Ended
Dec. 31, 2012
Physical Commodities Inventory [Abstract]  
Inventory Disclosure [Text Block]
Physical Commodities Inventory
Physical commodities inventories are stated at the lower of cost or market ("LCM") using the weighted-average price and first-in first-out cost method. Cost includes finished commodity or raw material and processing costs related to the purchase and processing of inventories. Commodities in process include commodities in the process of being recycled. As of December 31, 2012 and September 30, 2012, $131.6 million and $129.1 million, respectively, of physical commodities inventory served as collateral under one of the Company’s credit facilities, as detailed further in Note 9. The carrying values of the Company’s inventory as of December 31, 2012 and September 30, 2012 are shown below.
(in millions)
December 31,
2012
 
September 30,
2012
Commodities in process
$
0.1

 
$
13.6

Finished commodities
133.8

 
118.0

Physical commodities inventory
$
133.9

 
$
131.6


As a result of declining market prices for some commodities, the Company has recorded LCM adjustments for physical commodities inventory of $1.0 million and $0.4 million as of December 31, 2012 and September 30, 2012, respectively. The adjustments are included within 'cost of sales of physical commodities' in the condensed consolidated income statements.