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Leases (Tables)
12 Months Ended
Sep. 30, 2011
Leases [Abstract] 
Future minimum capital and operating lease payments and related present value of capital lease payments
                 
    Capital     Operating  
    Leases     Leases  
2012
  $ 13     $ 289  
2013
    11       231  
2014
    11       170  
2015
    9       122  
2016
    6       80  
After 2016
    36       100  
 
           
Total minimum lease payments
    86     $ 992  
 
             
Interest
    (16 )        
 
             
Present value of net minimum lease payments
  $ 70