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Property, Plant And Equipment (Tables)
12 Months Ended
Sep. 30, 2011
Property, Plant And Equipment [Abstract] 
Schedule Of Future Aggregate Minimum Lease Payments Under Operating Leases
2012 $ 7,592
2013   5,939
2014   5,689
2015   3,065
2016 and thereafter   4,888
 
Total $ 27,173