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

Acquisitions and Dispositions - Schedule of Purchase Price Allocation of Purchase of Acquired Identifiable Assets, Liabilities Assumed and Goodwill (Details)

Acquisitions and Dispositions - Schedule of Purchase Price Allocation of Purchase of Acquired Identifiable Assets, Liabilities Assumed and Goodwill (Details) - USD ($) $ in Thousands	Jun. 10, 2024	May 15, 2024	Nov. 30, 2023	Oct. 13, 2023	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Total goodwill					$ 61,152	$ 61,152	$ 75,866
Midwest Grinding Acquisition
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Total purchase price	$ 1,000
Accounts payable	1
Total purchase price plus liabilities assumed	1,001
Accounts receivable	152
Other current assets	71
Property and equipment	738
Intangible assets	40
Total assets acquired	1,001
Total goodwill	0
Midwest Grinding Acquisition \| Customer relationships
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Intangible assets	16
Midwest Grinding Acquisition \| Trade names
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Intangible assets	15
Midwest Grinding Acquisition \| Non-compete agreement
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Intangible assets	$ 9
Central Steel acquisition
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Total purchase price		$ 13,880
Accounts payable		464
Accrued liabilities		969
Total liabilities assumed		1,433
Total purchase price plus liabilities assumed		15,313
Cash		184
Accounts receivable		2,418
Inventory		2,171
Property and equipment		5,034
Intangible assets		2,125
Other assets		475
Total assets acquired		12,407
Total goodwill		2,906
Central Steel acquisition \| Customer relationships
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Intangible assets		900
Central Steel acquisition \| Trade names
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Intangible assets		400
Central Steel acquisition \| Non-compete agreement
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Intangible assets		$ 825
Johnson Floor & Home
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Total purchase price			$ 2,001
Accounts payable			1,017
Accrued liabilities			1,141
Total liabilities assumed			2,158
Total purchase price plus liabilities assumed			4,159
Accounts receivable			1,252
Inventory			1,127
Property and equipment			157
Intangible assets			1,607
Other assets			16
Total assets acquired			4,159
Total goodwill			0
Johnson Floor & Home \| Customer relationships
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Intangible assets			1,301
Johnson Floor & Home \| Non-compete agreement
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Intangible assets			$ 306
Carpet Remnant Outlet, Inc.
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Total purchase price				$ 1,423
Accounts payable				770
Accrued liabilities				1,298
Total liabilities assumed				2,068
Total purchase price plus liabilities assumed				3,491
Accounts receivable				259
Inventory				1,406
Property and equipment				261
Intangible assets				1,190
Other assets				286
Total assets acquired				3,402
Total goodwill				$ 89		$ 89