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COMMITMENTS AND CONTINGENCIES (Narrative) (Details) - USD ($)
$ in Millions
Nov. 30, 2018
Aug. 31, 2018
Loss Contingencies [Line Items]    
Accrual for environmental loss contingencies   $ 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