CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Revenues:
Total revenues	$ 530,711	$ 552,864	$ 1,353,565	$ 1,412,199
Cost of sales:
Total cost of sales	403,230	424,201	1,031,161	1,089,071
Selling, general and administrative expenses	87,243	92,138	254,254	258,989
Depreciation and amortization	4,075	5,593	12,659	16,426
Transaction costs	210	175	2,846	1,111
Change in fair value of contingent consideration	0	144	203	452
Restructuring and impairment	304	234	14,330	1,473
Income from operations	35,649	30,379	38,112	44,677
Other expense (income):
Interest expense – floor plan	6,763	7,340	20,530	21,870
Interest expense – other	7,070	9,041	23,051	27,129
Other (income) expense, net	(150)	(224)	1,031	853
Total other expense, net	13,683	16,157	44,612	49,852
Net income (loss) before income tax expense (benefit)	21,966	14,222	(6,500)	(5,175)
Income tax expense	10,293	3,507	2,439	(1,903)
Net income (loss)	11,673	10,715	(8,939)	(3,272)
Net loss attributable to non-controlling interests of One Water Marine Holdings, LLC	0	0	0	1,648
Net income (loss) attributable to OneWater Marine Inc.	11,673	10,715	(8,939)	(1,624)
New boat
Revenues:
Total revenues	319,960	326,134	825,267	883,631
Cost of sales:
Total cost of sales	262,826	274,184	681,366	744,522
Pre-owned boat
Revenues:
Total revenues	121,058	125,941	285,840	272,467
Cost of sales:
Total cost of sales	96,559	103,406	229,022	222,865
Finance & insurance income
Revenues:
Total revenues	17,293	17,782	40,206	42,185
Service, parts & other
Revenues:
Total revenues	72,400	83,007	202,252	213,916
Cost of sales:
Total cost of sales	$ 43,845	$ 46,611	$ 120,773	$ 121,684
Class A Common Stock
Other expense (income):
Net loss per share of Class A common stock – basic (in usd per share)	$ 0.70	$ 0.66	$ (0.54)	$ (0.10)
Net loss per share of Class A common stock - diluted (in usd per share)	$ 0.69	$ 0.65	$ (0.54)	$ (0.10)
Basic weighted-average shares of Class A common stock outstanding (in shares)	16,618	16,313	16,588	15,700
Diluted weighted-average shares of Class A common stock outstanding (in shares)	16,954	16,444	16,588	15,700