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Acquisition And Reorganization Costs (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Acquisition and reorganization costs $ 4,299 $ 1,489 $ 2,028
Severance costs 760    
Payments for postemployment benefits 168    
Employee Severance [Member]
     
Postemployment benefits current liability $ 592