CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Revenues:
Total revenues	$ 375,814	$ 364,013
Cost of sales:
Total cost of sales	291,760	272,570
Selling, general and administrative expenses	79,060	79,599
Depreciation and amortization	5,315	4,222
Transaction costs	559	579
Change in fair value of contingent consideration	242	572
Restructuring and impairment	851	0
(Loss) income from operations	(1,973)	6,471
Other expense (income):
Interest expense – floor plan	7,026	7,812
Interest expense – other	8,988	9,152
Other expense (income), net	887	(247)
Total other expense, net	16,901	16,717
Net loss before income tax benefit	(18,874)	(10,246)
Income tax benefit	(5,262)	(2,276)
Net loss	(13,612)	(7,970)
Net (income) attributable to non-controlling interests	0	(119)
Net loss attributable to non-controlling interests of One Water Marine Holdings, LLC	1,641	919
Net loss attributable to OneWater Marine Inc.	(11,971)	(7,170)
New boat
Revenues:
Total revenues	247,997	241,084
Cost of sales:
Total cost of sales	211,121	196,403
Pre-owned boat
Revenues:
Total revenues	56,798	53,283
Cost of sales:
Total cost of sales	45,582	41,346
Finance & insurance income
Revenues:
Total revenues	9,400	7,360
Service, parts & other
Revenues:
Total revenues	61,619	62,286
Cost of sales:
Total cost of sales	$ 35,057	$ 34,821
Class A Common Stock
Other expense (income):
Net (loss) earnings per share of Class A common stock – basic (in usd per share)	$ (0.81)	$ (0.49)
Net (loss) earnings per share of Class A common stock - diluted (in usd per share)	$ (0.81)	$ (0.49)
Basic weighted-average shares of Class A common stock outstanding (in shares)	14,831	14,540
Diluted weighted-average shares of Class A common stock outstanding (in shares)	14,831	14,540