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COMMITMENTS AND CONTINGENCIES (Narrative) (Details) - USD ($) $ in Millions | Feb. 28, 2019 | Aug. 31, 2018
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Loss Contingencies [Line Items] |  |
Accrual for environmental loss contingencies | $ 4.0 | $ 4.0
Accrued environmental loss contingencies, noncurrent | 1.9 | 1.9
CERCLA sites |  |
Loss Contingencies [Line Items] |  |
Accrual for environmental loss contingencies | $ 0.7 | $ 0.7

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