Annual report [Section 13 and 15(d), not S-K Item 405]

Leases - Additional Information (Details)

v3.25.3
Leases - Additional Information (Details)
$ in Thousands
12 Months Ended
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
May 15, 2024
executive
Operating Leased Assets [Line Items]      
Weighted average remaining lease term 9 years 8 months 12 days    
Weighted average discount rate (in percent) 9.71%    
Total cash payments $ 18,500    
Finance lease weighted average remaining lease term 26 years 2 months 12 days    
Finance lease weighted average discount rate (in percent) 11.33%    
Finance Lease cash payments $ 4,221 $ 3,590  
Central Steel      
Operating Leased Assets [Line Items]      
Term of contract     20 years
Lessee, renewal option | executive     2
Lessee, renewal term     5 years