XML 65 R94.htm IDEA: XBRL DOCUMENT v2.4.0.8
Share Based Compensation (Summary Of Restricted Stock Units Activity) (Details) (Restricted Stock Units [Member], USD $)
12 Months Ended
Aug. 31, 2014
Aug. 31, 2013
Restricted Stock Units [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock units outstanding 57,431 67,535
Granted, number of stock units 35,450 30,551
Vested, number of stock units (31,204) (37,534)
Forfeited, number of stock units (2,524) (3,121)
Stock units outstanding 59,153 57,431
Stock units, weighted-average grant-date fair value $ 68.06 $ 54.35
Granted, weighted-average grant-date fair value $ 76.46 $ 77.46
Vested, weighted-average grant-date fair value $ 67.49 $ 51.82
Forfeited, weighted-average grant-date fair value $ 70.07 $ 65.52
Stock units, weighted-average grant-date fair value $ 73.40 $ 68.06