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Leases
12 Months Ended
Sep. 30, 2012
Leases [Abstract]  
Leases of Lessee Disclosure [Text Block]
Leases

The Company has certain noncancelable operating leases, mainly for railcars and equipment, the majority of which expire at various times over the next three years.
 
Future minimum lease payments under noncancelable operating leases for the next five years ending September 30 and thereafter consist of the following (in millions):
Year Ending
September 30,
 
2013
$
0.5

2014
0.4

2015
0.1

2016
—

2017
—

Thereafter
—

Total minimum lease payments
$
1.0



Rent expense for operating leases for the years ended September 30, 2012, 2011 and 2010, totaled $0.4 million, $0.6 million and $0.3 million, respectively