CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Revenues:
Total revenues	$ 524,331	$ 442,127	$ 890,990	$ 778,399
Cost of sales (exclusive of depreciation and amortization shown separately below):
Total cost of sales	377,634	299,585	634,305	534,892
Selling, general and administrative expenses	90,193	75,492	168,031	134,588
Depreciation and amortization	5,637	4,727	11,330	6,476
Transaction costs	241	776	1,571	3,821
Change in fair value of contingent consideration	1,736	2,158	327	7,904
Income from operations	48,890	59,389	75,426	90,718
Other expense (income):
Interest expense – floor plan	5,472	1,048	10,251	1,925
Interest expense – other	8,604	3,097	16,188	4,626
Other (income) expense, net	(187)	109	(826)	657
Total other expense, net	13,889	4,254	25,613	7,208
Income before income tax expense	35,001	55,135	49,813	83,510
Income tax expense	7,964	12,781	11,348	17,670
Net income	27,037	42,354	38,465	65,840
Less: Net income attributable to non-controlling interests	(1,165)	(1,011)	(2,530)	(1,011)
Less: Net income attributable to non-controlling interests of One Water Marine Holdings, LLC	(3,068)	(5,046)	(4,231)	(8,513)
Net income attributable to OneWater Marine Inc.	22,804	36,297	31,704	56,316
New boat
Revenues:
Total revenues	355,284	290,020	587,689	526,218
Cost of sales (exclusive of depreciation and amortization shown separately below):
Total cost of sales	275,026	208,606	450,284	384,502
Pre-owned boat
Revenues:
Total revenues	75,394	75,854	131,172	129,303
Cost of sales (exclusive of depreciation and amortization shown separately below):
Total cost of sales	58,180	55,959	98,484	95,329
Finance & insurance income
Revenues:
Total revenues	15,324	14,948	24,258	24,255
Service, parts & other
Revenues:
Total revenues	78,329	61,305	147,871	98,623
Cost of sales (exclusive of depreciation and amortization shown separately below):
Total cost of sales	$ 44,428	$ 35,020	$ 85,537	$ 55,061
Class A Common Stock
Other expense (income):
Earnings per share, basic (in dollars per share)	$ 1.59	$ 2.62	$ 2.21	$ 4.14
Earnings per share, diluted (in dollars per share)	$ 1.56	$ 2.54	$ 2.17	$ 4.02
Weighted-average number of shares used to compute net loss per share, basic (in shares)	14,340	13,864	14,318	13,619
Weighted-average number of shares used to compute net loss per share, diluted (in shares)	14,655	14,272	14,612	14,017