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EMPLOYEES' RETIREMENT PLANS (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Aug. 31, 2019 | Aug. 31, 2018 | Aug. 31, 2017
BRP plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Deferred compensation liability | $ 45.7 | $ 49.3 |
Current value of segregated assets | 56.3 | 56.2 |
Net holding gain on segregated assets | 3.3 | 9.3 | $ 7.5
Other Long-term Liabilities | BRP plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Deferred compensation liability | 39.9 | 42.8 |
Accrued Expenses and Other Payables | BRP plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Deferred compensation liability | 5.8 | 6.5 |
Minimum |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Expected future employer contributions in fiscal 2020 | 1.0 |  |
United States |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Compensation expense under defined contribution profit sharing and savings plan and BRP Plan | $ 32.9 | $ 27.3 | $ 28.3

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