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EMPLOYEES' RETIREMENT PLANS (Weighted-average Asset Allocations (Details)	Aug. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Pension assets, actual allocation (percent)	100.00%
Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Pension assets, actual allocation (percent)	50.10%
Fixed income securities | Minimum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	50.00%
Fixed income securities | Maximum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	55.00%
Domestic
Defined Benefit Plan Disclosure [Line Items]
Pension assets, actual allocation (percent)	26.00%
Domestic | Minimum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	25.00%
Domestic | Maximum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	30.00%
International
Defined Benefit Plan Disclosure [Line Items]
Pension assets, actual allocation (percent)	12.70%
International | Minimum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	10.00%
International | Maximum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	15.00%
Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Pension assets, actual allocation (percent)	9.50%
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
Defined Benefit Plan Disclosure [Line Items]
Pension assets, actual allocation (percent)	1.70%
Cash | Minimum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	0.00%
Cash | Maximum
Defined Benefit Plan Disclosure [Line Items]
Pension assets, target allocation (percent)	5.00%

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- Definition

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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