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
Dec. 31, 2012
Dec. 31, 2011
Share-Based Compensation    
Share-based compensation $ 4.5 $ 5.3
Less income tax benefit 1.6 2.0
Share-based compensation costs, net-of-tax $ 2.9 $ 3.3
Stock options
   
Stock based compensation    
Weighted average exercise price (in dollars per share) $ 20.68  
Granted (in shares) 497,818  
Weighted average fair value of options granted (in dollars per share) $ 4.89  
Time-Based stock awards
   
Stock based compensation    
Granted (in shares) 37,346  
Weighted average fair value of equity instruments other than options (in dollars per share) $ 20.75  
Performance-based stock awards (maximum that can be earned)
   
Stock based compensation    
Granted (in shares) 759,519  
Weighted average fair value of equity instruments other than options (in dollars per share) $ 20.68