XML 105 R89.htm IDEA: XBRL DOCUMENT v3.10.0.1
STOCK-BASED COMPENSATION PLANS (Restricted Stock Awards and Performance Stock Units Excluding the Cash Component) (Details) - Restricted stock units and performance stock units excluding the cash component - $ / shares
12 Months Ended
Aug. 31, 2018
Aug. 31, 2017
Aug. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Outstanding number, beginning balance 2,453,580 2,700,230 2,733,334
Granted, number 1,216,461 1,462,442 1,612,772
Vested, number (1,685,898) (1,385,753) (1,471,436)
Forfeited, number (183,425) (323,339) (174,440)
Outstanding number, ending balance 1,800,718 2,453,580 2,700,230
Outstanding, weighted average grant-date fair value, beginning balance $ 15.65 $ 16.49 $ 15.86
Granted, weighted average grant-date fair value 20.69 16.17 15.83
Vested, weighted average grant-date fair value 18.00 17.62 14.47
Forfeited, weighted average grant-date fair value 15.89 16.58 17.60
Outstanding, weighted average grant-date fair value, ending balance $ 16.82 $ 15.65 $ 16.49