XML 180 R99.htm IDEA: XBRL DOCUMENT v3.20.2
EMPLOYEES' RETIREMENT PLANS (Weighted-average Assumptions) (Details) - USD ($)
12 Months Ended
Aug. 31, 2020
Aug. 31, 2019
Defined Benefit Plan Obligations    
Effective discount rate for benefit obligations 2.80% 3.20%
Net Periodic Benefit Cost    
Effective rate for interest on benefit obligations 2.80% 4.30%
Effective rate for service cost 3.30% 4.70%
Expected long-term rate of return 6.00% 6.00%
Effective rate for interest on benefit obligations, remeasured 2.90%  
Effective rate for service cost, remeasured 3.50%  
Expected long-term rate of return on plan assets for 2020 5.00%  
Expected future employer contributions in fiscal 2021 $ 0