POST EMPLOYMENT PLANS (Schedule of Assumptions Used) (Details) - Post-Employment Benefit Plans [Member]	Aug. 31, 2018	Aug. 31, 2017
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.50%	3.50%
Future salary escalation	3.00%	3.00%
Percentage of employees assumed to withdraw from Company without a benefit (“turnover”)	9.60%	3.90%
Percentage of employees assumed to withdraw from Company with a benefit (“disability”)	0.50%	0.50%
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	10.80%	10.50%
Future salary escalation	5.00%	5.00%
Percentage of employees assumed to withdraw from Company without a benefit (“turnover”)	19.50%	19.50%
Percentage of employees assumed to withdraw from Company with a benefit (“disability”)	4.50%	6.00%