COMMITMENTS AND CONTINGENCIES (Narrative) (Details) - USD ($) $ in Millions	Feb. 28, 2019	Aug. 31, 2018
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

Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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