Quarterly report [Sections 13 or 15(d)]

Related Party Seller Notes - Schedule of Seller Notes (Details)

v3.25.1
Related Party Seller Notes - Schedule of Seller Notes (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Mar. 31, 2025
Sep. 30, 2024
Related Party    
Debt Instrument [Line Items]    
Loan outstanding $ 17,715 $ 11,400
Seller Notes | Loan    
Debt Instrument [Line Items]    
Net amount 18,143  
Seller Notes | Loan | Related Party    
Debt Instrument [Line Items]    
Loan outstanding 19,100 40,600
Unamortized debt premium (discount) (957) 2,261
Net amount 18,143 42,861
Less current portion 0 (2,500)
Long-term portion of seller notes payable $ 18,143 $ 40,361
Seller of PMW, 8.0% interest rate, matures July 2028 | Loan | Related Party    
Debt Instrument [Line Items]    
Interest rate (as percent) 8.00% 8.00%
Loan outstanding $ 0 $ 2,500
Net amount $ 0 $ 2,500
Seller of Kinetic, 7.0% interest rate, matures September 2027 | Loan | Related Party    
Debt Instrument [Line Items]    
Interest rate (as percent) 7.00% 7.00%
Loan outstanding $ 3,000 $ 3,000
Net amount $ 3,000 $ 3,000
Seller of Central Steel, 7.0% interest rate, matures May 2029 | Related Party    
Debt Instrument [Line Items]    
Interest rate (as percent) 7.00% 7.00%
Seller of Central Steel, 7.0% interest rate, matures May 2029 | Loan | Related Party    
Debt Instrument [Line Items]    
Loan outstanding $ 1,100 $ 1,100
Net amount $ 1,100 $ 1,100
Seller of Flooring Liquidators, 8.24% interest rate, matures January 2028 | Loan | Related Party    
Debt Instrument [Line Items]    
Interest rate (as percent) 8.24% 8.24%
Loan outstanding $ 0 $ 34,000
Net amount $ 14,000 $ 36,300
Seller of Flooring Liquidators, 8.24% interest rate, matures February 2028 | Loan | Related Party    
Debt Instrument [Line Items]    
Interest rate (as percent) 8.24% 8.24%
Loan outstanding $ 15,000 $ 0