XML 100 R91.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary of RSA and RSU Activity (Detail) (USD $)
12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Weighted-Average Remaining Contactual Term      
Outstanding at September 30, 2013 5 years 8 months 12 days    
Restricted Stock Awards
     
Restricted stock      
Beginning balance 1,736,989    
Granted 895,659    
Vested (834,269)    
Forfeited/expired (100,398)    
Ending balance 1,697,981 1,736,989  
Weighted-Average Grant Date Fair Value      
Beginning balance $ 88.77    
Granted $ 147.18 $ 96.39 $ 79.80
Vested $ 87.02    
Forfeited/expired $ 109.62    
Ending balance $ 119.20 $ 88.77  
Weighted-Average Remaining Contactual Term      
Outstanding at September 30, 2013 1 year 6 months    
Aggregate Intrinsic Value      
Outstanding at September 30, 2013 $ 324,000,000    
Restricted Stock Units
     
Restricted stock      
Beginning balance 637,645    
Granted 329,322    
Vested (289,821)    
Forfeited/expired (27,464)    
Ending balance 649,682 637,645  
Weighted-Average Grant Date Fair Value      
Beginning balance $ 91.17    
Granted $ 146.18 $ 96.97 $ 79.97
Vested $ 88.22    
Forfeited/expired $ 112.27    
Ending balance $ 119.49 $ 91.17  
Weighted-Average Remaining Contactual Term      
Outstanding at September 30, 2013 1 year 3 months 18 days    
Aggregate Intrinsic Value      
Outstanding at September 30, 2013 $ 124,000,000