Goodwill - Additional Information (Details) $ in Millions	6 Months Ended
	Feb. 29, 2024 USD ($) Reporting_unit	Aug. 31, 2023
Goodwill [Line Items]
Number of reporting units | Reporting_unit	3
Goodwill impairment charges | $	$ 39
Metals Recycling
Goodwill [Line Items]
Estimated fair value of reporting unit exceeded carrying amount		24.00%
Autos Reporting Units
Goodwill [Line Items]
Estimated fair value of reporting unit exceeded carrying amount		33.00%