v2.4.0.8
Awards Granted to Company Employees and Non-employee Directors Under the 2007 Equity Incentive Compensation Plan (Detail) (USD $)
9 Months Ended
Jun. 30, 2013
Non-qualified stock options
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Granted 579,318
Weighted-Average Grant Date Fair Value $ 39.03
Weighted-Average Exercise Price $ 147.37
Restricted stock awards (RSAs)
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Granted 891,360
Weighted-Average Grant Date Fair Value $ 146.96
Restricted stock units (RSUs)
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Granted 326,746
Weighted-Average Grant Date Fair Value $ 145.83
Performance-based shares
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Granted 230,518 [1]
Weighted-Average Grant Date Fair Value $ 164.14 [1]
[1] Represents the maximum number of performance-based shares which could be earned.