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EMPLOYEES' RETIREMENT PLANS (Future Pension Benefit Payments) (Details) $ in Thousands	Aug. 31, 2019 USD ($)
Retirement Benefits [Abstract]
2020	$ 1,265
2021	1,343
2022	1,408
2023	1,464
2024	1,515
Next five years	$ 8,146

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Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.

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