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SHARE-BASED COMPENSATION (Summary Of Restricted Stock Activity) (Details) (Restricted Stock [Member], USD $)
12 Months Ended
Sep. 30, 2012
Restricted Stock [Member]
 
Number of Shares:  
Unvested at October 1, 2011 560,000
Granted 392,000
Vested (207,000)
Forfeited (44,000)
Unvested at September 30, 2012 701,000
Weighted Average Fair Value:  
Unvested at October 1, 2011 $ 34.54
Granted $ 41.36
Vested $ 33.07
Forfeited $ 38.49
Unvested at September 30, 2012 $ 38.54