XML 107 R91.htm IDEA: XBRL DOCUMENT v3.10.0.1
STOCK-BASED COMPENSATION PLANS (Information Related To Stock Appreciation Rights And Stock Options) (Details) - Stock appreciation rights and stock options - $11.60 - 14.12
12 Months Ended
Aug. 31, 2018
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of exercise prices, lower range limit $ 11.60
Range of exercise prices, upper range limit $ 14.12
Outstanding, number | shares 48,239
Outstanding, weighted average remaining contractual life (in years) 6 months
Outstanding, weighted average exercise price $ 12.42