CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Revenues:
Revenues	$ 366,659	$ 336,272
Cost of sales (exclusive of depreciation and amortization shown separately below)
Cost of sales	256,671	235,307
Selling, general and administrative expenses	77,838	59,096
Depreciation and amortization	5,693	1,749
Transaction costs	1,330	3,045
Change in fair value of contingent consideration	(1,409)	5,746
Income from operations	26,536	31,329
Other expense (income)
Interest expense - floor plan	4,779	877
Interest expense - other	7,584	1,529
Other (income) expense, net	(639)	548
Total other expense, net	11,724	2,954
Income before income tax expense	14,812	28,375
Income tax expense	3,384	4,889
Net income	11,428	23,486
Less: Net income attributable to non-controlling interests	(1,365)	0
Less: Net income attributable to non-controlling interests of One Water Marine Holdings, LLC	(1,163)	(3,467)
Net income attributable to OneWater Marine Inc.	8,900	20,019
New Boat [Member]
Revenues:
Revenues	232,405	236,198
Cost of sales (exclusive of depreciation and amortization shown separately below)
Cost of sales	175,258	175,896
Pre-Owned Boat [Member]
Revenues:
Revenues	55,778	53,449
Cost of sales (exclusive of depreciation and amortization shown separately below)
Cost of sales	40,304	39,370
Finance & Insurance [Member]
Revenues:
Revenues	8,934	9,307
Service, Parts & Other [Member]
Revenues:
Revenues	69,542	37,318
Cost of sales (exclusive of depreciation and amortization shown separately below)
Cost of sales	$ 41,109	$ 20,041
Class A Common Stock [Member]
Other expense (income)
Earnings per share, Basic (in dollars per share)	$ 0.62	$ 1.5
Earnings per share, Diluted (in dollars per share)	$ 0.61	$ 1.45
Basic weighted-average shares outstanding (in shares)	14,297	13,380
Diluted weighted-average shares outstanding (in shares)	14,587	13,761