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Stock-Based Compensation (Schedule Of Equity Based Awards (Including Stock Options And Restricted Stock Units)) (Details) (Equity Based Awards [Member])
12 Months Ended
Sep. 30, 2014
Equity Based Awards [Member]
 
Awards Available for Grant  
Awards Available for Grant, Beginning balance 2,198,736
Awards Available for Grant, Granted (1,795,420)
Awards Available for Grant, Cancelled 178,554
Additional shares reserved (terminated), net 3,037,425
Awards Available for Grant, Ending balance 3,619,295