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NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Aug. 31, 2023 USD ($)	Aug. 31, 2025 USD ($) numberOfRerollingMills	Aug. 31, 2024 USD ($)	Aug. 31, 2023 USD ($)	Aug. 31, 2025 mill	Aug. 31, 2025
Property, Plant and Equipment [Line Items]
Number Of Electric Arc Furnace Mini Mills \| mill					6
Number Of Electric Arc Furnace Micro Mills \| mill					3
Number of rerolling mills		1			1
Asset impairments	$ 3,500	$ 4,607	$ 6,708	$ 3,780
Realized and unrealized gain (loss) on investment and foreign currency		9,800	7,700	12,100
North America Steel Group
Property, Plant and Equipment [Line Items]
Asset impairments			6,600
West Virginia Economic Development Authority
Property, Plant and Equipment [Line Items]
Agreement For Performance Based Principal Reduction Loan				75,000
Proceeds From Performance Based Principal Reduction Loan		50,000		5,000
Poland Compensation Scheme Act
Property, Plant and Equipment [Line Items]
Proceeds From Government Grants Related To Income		74,700	29,200	9,500
Energy Aid Program, 2022
Property, Plant and Equipment [Line Items]
Proceeds From Government Grants Related To Income		$ 4,000	$ 40,200	$ 4,300
Receivables secured by credit insurance or letters of credit
Property, Plant and Equipment [Line Items]
Percentage of accounts receivable secured by credit insurance or letters of credit			13.00%			15.00%