CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (13,612)	$ (7,970)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	6,037	4,905
Equity-based awards	2,170	2,392
Loss (gain) on asset disposals	183	(34)
Non-cash interest expense	933	484
Deferred income tax provision	(5,056)	1,828
Change in fair value of contingent consideration	242	572
Net (gain) loss recognized during the period on equity securities	(7)	112
(Increase) decrease in assets:
Accounts receivable	16,357	20,240
Inventories	(45,798)	(97,223)
Prepaid expenses and other current assets	19,468	(12,388)
Other assets	(880)	(1,869)
Increase (decrease) in liabilities:
Accounts payable	(2,840)	(8,216)
Other payables and accrued expenses	(4,137)	(12,196)
Customer deposits	(10,502)	(671)
Net cash used in operating activities	(37,442)	(110,034)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment and construction in progress	(2,603)	(4,924)
Proceeds from disposal of property and equipment	189	59
Cash used for additions to intangible assets	(362)	(428)
Proceeds from disposal of a business	0	45,100
Net cash (used in) provided by investing activities	(2,776)	39,807
CASH FLOWS FROM FINANCING ACTIVITIES:
Net borrowings from floor plan	46,721	73,791
Proceeds from long-term debt	8,890	20,000
Payments on long-term debt	(3,434)	(38,457)
Payments of debt issuance costs	(935)	(74)
Payments of tax withholdings for equity-based awards	(1,823)	(1,552)
Distributions to members	0	(3,789)
Purchase of non-controlling interest	0	(18,840)
Net cash provided by financing activities	49,419	31,079
Effects of exchange rate changes on cash and restricted cash	20	(9)
Net change in cash and restricted cash	9,221	(39,157)
Cash and restricted cash at beginning of period	27,337	93,310
Cash and restricted cash at end of period	36,558	54,153
Supplemental cash flow disclosures:
Cash paid for interest	15,329	16,480
Cash (received) paid for income taxes and income tax refunds	(330)	455
Noncash items:
Purchase of property and equipment funded by long-term debt	0	82
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 1,985	$ 1,931