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COMMITMENTS AND CONTINGENCIES (Narrative) (Details) - USD ($)
$ in Millions
Aug. 31, 2021
Aug. 31, 2020
Loss Contingencies [Line Items]    
Site contingency liabilities $ 0.5 $ 0.7
CERCLA sites    
Loss Contingencies [Line Items]    
Total environmental liabilities 7.1 3.4
Long-term environmental liabilities $ 2.3 $ 2.7