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Commitments and Contingencies (Tables)
12 Months Ended
Sep. 30, 2011
Future Minimum Lease Commitments on Non-cancelable Operating Leases, Lease Income and Sublease Income
Future minimum lease commitments on non-cancelable operating leases, lease income and sublease income are as follows (in thousands):
 
                 
    Operating
    Sublease
 
    Leases     Income  
 
Year ended September 30, 2012
  $ 6,575     $ 60  
2013
    6,348        
2014
    4,695        
2015
    2,861        
2016
    1,286        
Thereafter
    2,863        
                 
    $ 24,628     $ 60