REVENUE RECOGNITION - Revenue Recognition Method (Details) - North America Steel Group - Recognized over Time	3 Months Ended		9 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2024	May 31, 2023
Fabricated Product and Installation Services
Disaggregation of Revenue [Line Items]
Contract as percent of total segment revenue (percent)	7.00%	7.00%	8.00%	8.00%
Fabricated Product without Installation Services
Disaggregation of Revenue [Line Items]
Contract as percent of total segment revenue (percent)	10.00%	11.00%	10.00%	12.00%