Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation (Details)

v2.4.0.6
Share-Based Compensation (Details) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Share-Based Compensation        
Share-based compensation $ 0.2 $ 2.3 $ 7.1 $ 8.5
Less income tax benefit 0.1 0.8 2.6 3.2
Share-based compensation costs, net-of-tax $ 0.1 $ 1.5 $ 4.5 $ 5.3
Stock options
       
Restricted stock units (RSUs) and Performance-based stock units (PBUs)        
Granted (in shares)     546,642  
Weighted average exercise price (in dollars per share) $ 22.37   $ 22.37  
Weighted average grant date fair value (in dollars per share)     $ 5.88  
Time-Based stock awards
       
Restricted stock units (RSUs) and Performance-based stock units (PBUs)        
Granted (in shares)     65,162  
Weighted average grant date fair value (in dollars per share)     $ 23.04  
Performance-based stock awards (maximum that can be earned)
       
Restricted stock units (RSUs) and Performance-based stock units (PBUs)        
Granted (in shares)     700,560  
Weighted average grant date fair value (in dollars per share)     $ 22.34