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

Related Party Seller Notes - Additional Information (Details)

Related Party Seller Notes - Additional Information (Details) - USD ($)				12 Months Ended
	Aug. 15, 2025	Feb. 25, 2025	Dec. 24, 2024	Sep. 30, 2025	Sep. 30, 2024	Feb. 24, 2025	May 15, 2024	Jul. 20, 2023	Jun. 28, 2023	Jan. 31, 2023	Jan. 18, 2023
Debt Instrument [Line Items]
Gain on extinguishment of debt				$ 713,000	$ 0
Gain on settlement of earnout liability				2,840,000	0
Gain on modification of seller note				22,784,000	0
Related Party
Debt Instrument [Line Items]
Repayments on notes payable				1,932,000	0
Notes payable \| Related Party
Debt Instrument [Line Items]
Total notes payable - related parties				36,300,000
Initial term (in years)										5 years
Extended initial term (in days)										90 days
Seller of PMW, 8.0% interest rate, matures July 2028 \| Notes payable \| Related Party
Debt Instrument [Line Items]
Earnout payments								$ 3,000,000.0
Debt face amount								$ 2,500,000
Debt stated interest rate (in percent)								8.00%
Interest Payable			$ 100,000
Repayments on notes payable			1,900,000
Gain on extinguishment of debt			$ 700,000
Gain on settlement of earnout liability				2,800,000
Total notes payable - related parties				0	2,500,000
Seller of Kinetic, 7.0% interest rate, matures September 2027 \| Notes payable \| Related Party
Debt Instrument [Line Items]
Debt face amount									$ 3,000,000.0
Debt stated interest rate (in percent)									7.00%
Total notes payable - related parties				3,000,000.0	3,000,000.0
Initial term (in years)									5 years
Related Party Transaction, Employment Agreement, Extension, Incremental Period									90 days
Seller of Central Steel, 8.0% interest rate, matures May 2029 \| Notes payable \| Related Party
Debt Instrument [Line Items]
Debt face amount							$ 1,100,000
Debt stated interest rate (in percent)							8.00%
Total notes payable - related parties				$ 1,000,000.0	1,100,000
Initial term (in years)							2 years
Related Party Transaction, Employment Agreement, Extension, Incremental Period							90 days
Debt periodic payment	$ 68,751
Seller of Flooring Liquidators, 8.24% interest rate, matures January 2028 \| Notes payable \| Related Party
Debt Instrument [Line Items]
Debt face amount		$ 15,000,000.0				$ 34,000,000.0					$ 34,000,000.0
Debt stated interest rate (in percent)											8.24%
Total notes payable - related parties					$ 15,000,000.0
Calculated amount by third party firm		14,000,000.0									$ 31,700,000
Calculated discount amount by third party firm		1,000,000.0									2,300,000
Debt instrument, covenant aggregate outstanding in event of default		19,000,000.0
Increase in existing holdback principal amount		500,000
Debt instrument, covenant, holdback principal amount		1,500,000
Gain on modification of seller note		$ 22,800,000
Seller of Flooring Liquidators, 8.24% interest rate, matures January 2028 \| Notes payable \| Related Party \| If revoked
Debt Instrument [Line Items]
Debt face amount											$ 34,000,000.0