v3.22.4
Revenue - Summary of Revenues Disaggregated by Major Product and Sales Destination (Details) - USD ($)
$ in Thousands
 3 Months Ended
Nov. 30, 2022
Nov. 30, 2021
Disaggregation of Revenue [Line Items]    
Revenues $ 598,730 $ 798,118
Ferrous Revenues    
Disaggregation of Revenue [Line Items]    
Revenues 261,729 465,856
Nonferrous Revenues    
Disaggregation of Revenue [Line Items]    
Revenues 177,675 194,429
Steel Revenues    
Disaggregation of Revenue [Line Items]    
Revenues 124,515 103,238
Retail and Other Revenues    
Disaggregation of Revenue [Line Items]    
Revenues 34,811 34,595
Foreign    
Disaggregation of Revenue [Line Items]    
Revenues 272,684 471,173
Domestic    
Disaggregation of Revenue [Line Items]    
Revenues $ 326,046 $ 326,945