Document and Entity Information Document - shares	6 Months Ended
	Feb. 29, 2024	Apr. 02, 2024
Entity Information [Line Items]
Document Type	10-Q
Document Period End Date	Feb. 29, 2024
Entity Registrant Name	RADIUS RECYCLING, INC.
Amendment Flag	false
Document Fiscal Year Focus	2024
Trading Symbol	RDUS
Document Fiscal Period Focus	Q2
Entity Central Index Key	0000912603
Current Fiscal Year End Date	--08-31
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity Current Reporting Status	Yes
Entity File Number	000-22496
Entity Tax Identification Number	93-0341923
Entity Address, Address Line One	299 SW Clay Street
Entity Address, Address Line Two	Suite 400
Entity Address, City or Town	Portland
Entity Address, State or Province	OR
Entity Address, Postal Zip Code	97201
City Area Code	503
Local Phone Number	224-9900
Entity Incorporation, State or Country Code	OR
Title of 12(b) Security	Class A Common Stock, $1.00 par value
Security Exchange Name	NASDAQ
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
Class A Common Stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		27,782,161
Class B Common Stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		200,000