CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenues:
Total revenues	$ 552,864	$ 542,441	$ 1,412,199	$ 1,394,775
Cost of sales:
Total cost of sales	424,201	409,836	1,089,071	1,050,365
Selling, general and administrative expenses	92,138	87,059	258,989	253,169
Depreciation and amortization	5,593	5,091	16,426	14,185
Transaction costs	175	242	1,111	966
Change in fair value of contingent consideration	144	214	452	3,918
Restructuring and impairment	234	0	1,473	11,847
Income from operations	30,379	39,999	44,677	60,325
Other expense (income):
Interest expense – floor plan	7,340	9,290	21,870	25,627
Interest expense – other	9,041	9,008	27,129	27,352
Other (income) expense, net	(224)	(1,357)	853	889
Total other expense, net	16,157	16,941	49,852	53,868
Net income (loss) before income tax expense (benefit)	14,222	23,058	(5,175)	6,457
Income tax expense (benefit)	3,507	6,344	(1,903)	2,222
Net income (loss)	10,715	16,714	(3,272)	4,235
Net (income) attributable to non-controlling interests	0	0	0	(119)
Net (income) loss attributable to non-controlling interests of One Water Marine Holdings, LLC	0	(2,031)	1,648	(572)
Net income (loss) attributable to OneWater Marine Inc.	10,715	14,683	(1,624)	3,544
New boat
Revenues:
Total revenues	326,134	333,162	883,631	901,552
Cost of sales:
Total cost of sales	274,184	276,440	744,522	740,069
Pre-owned boat
Revenues:
Total revenues	125,941	106,889	272,467	238,820
Cost of sales:
Total cost of sales	103,406	84,626	222,865	188,755
Finance & insurance income
Revenues:
Total revenues	17,782	17,932	42,185	40,022
Service, parts & other
Revenues:
Total revenues	83,007	84,458	213,916	214,381
Cost of sales:
Total cost of sales	$ 46,611	$ 48,770	$ 121,684	$ 121,541
Class A Common Stock
Other expense (income):
Net (loss) earnings per share of Class A common stock – basic (in usd per share)	$ 0.66	$ 1.01	$ (0.10)	$ 0.24
Net (loss) earnings per share of Class A common stock - diluted (in usd per share)	$ 0.65	$ 0.99	$ (0.10)	$ 0.24
Basic weighted-average shares of Class A common stock outstanding (in shares)	16,313	14,593	15,700	14,571
Diluted weighted-average shares of Class A common stock outstanding (in shares)	16,444	14,891	15,700	14,835