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DERIVATIVES (Commodity Contract Commitments) (Details)
MWh in Thousands
6 Months Ended
Feb. 29, 2024
MMBTU
MWh
t
Aluminum | Long  
Derivative [Line Items]  
Commodity contract commitments 2,750
Aluminum | Short  
Derivative [Line Items]  
Commodity contract commitments 1,550
Copper | Long  
Derivative [Line Items]  
Commodity contract commitments 442
Copper | Short  
Derivative [Line Items]  
Commodity contract commitments 10,455
Electricity | Long  
Derivative [Line Items]  
Commodity contract commitment, energy | MWh 3,204
Natural Gas | Long  
Derivative [Line Items]  
Commodity contract commitment, energy | MMBTU 4,830,600