EMPLOYEES' RETIREMENT PLANS (Weighted-average Asset Allocations (Details)	Aug. 31, 2021	Aug. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Pension assets, actual allocation (percent)	100.00%	100.00%
Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Pension assets, actual allocation (percent)	64.10%	48.10%
Fixed income securities | Minimum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	60.00%
Fixed income securities | Maximum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	65.00%
Domestic
Defined Benefit Plan Disclosure [Line Items]
Pension assets, actual allocation (percent)	18.50%	26.90%
Domestic | Minimum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	15.00%
Domestic | Maximum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	20.00%
International
Defined Benefit Plan Disclosure [Line Items]
Pension assets, actual allocation (percent)	9.10%	13.10%
International | Minimum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	5.00%
International | Maximum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	10.00%
Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Pension assets, actual allocation (percent)	6.50%	10.10%
Mutual funds | Minimum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	5.00%
Mutual funds | Maximum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	10.00%
Cash and other
Defined Benefit Plan Disclosure [Line Items]
Pension assets, actual allocation (percent)	1.80%	1.80%
Cash and other | Minimum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	0.00%
Cash and other | Maximum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	5.00%