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Share-Based Compensation (Tables)
9 Months Ended
Jun. 30, 2011
Share-Based Compensation [Abstract]  
Share-Based Compensation
                                 
    Nine Months Ended June 30,  
    2011     2010  
            Wtd. Avg.             Wtd. Avg.  
            Share             Share  
    Grants     Fair Value     Grants     Fair Value  
Stock options
    1,727     $ 21.39       2,169     $ 13.59  
Performance shares
    77       87.00       146       54.81  
Restricted stock and restricted stock units
    68       74.52       146       43.66  
Unrestricted stock
    11       69.79       11       44.20