CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Revenues:
Total revenues	$ 364,013	$ 366,659
Cost of sales (exclusive of depreciation and amortization shown separately below):
Total cost of sales	272,570	256,671
Selling, general and administrative expenses	79,599	77,838
Depreciation and amortization	4,222	5,693
Transaction costs	579	1,330
Change in fair value of contingent consideration	572	(1,409)
Income from operations	6,471	26,536
Other expense (income):
Interest expense – floor plan	7,812	4,779
Interest expense – other	9,152	7,584
Other (income) expense, net	(247)	(639)
Total other expense, net	16,717	11,724
Net (loss) income before income tax (benefit) expense	(10,246)	14,812
Income tax (benefit) expense	(2,276)	3,384
Net (loss) income	(7,970)	11,428
Net (income) attributable to non-controlling interests	(119)	(1,365)
Net loss (income) attributable to non-controlling interests of One Water Marine Holdings, LLC	919	(1,163)
Net (loss) income attributable to OneWater Marine Inc.	(7,170)	8,900
New boat
Revenues:
Total revenues	241,084	232,405
Cost of sales (exclusive of depreciation and amortization shown separately below):
Total cost of sales	196,403	175,258
Pre-owned boat
Revenues:
Total revenues	53,283	55,778
Cost of sales (exclusive of depreciation and amortization shown separately below):
Total cost of sales	41,346	40,304
Finance & insurance income
Revenues:
Total revenues	7,360	8,934
Service, parts & other
Revenues:
Total revenues	62,286	69,542
Cost of sales (exclusive of depreciation and amortization shown separately below):
Total cost of sales	$ 34,821	$ 41,109
Class A Common Stock
Other expense (income):
Net (loss) earnings per share of Class A common stock – basic (in usd per share)	$ (0.49)	$ 0.62
Net (loss) earnings per share of Class A common stock - diluted (in usd per share)	$ (0.49)	$ 0.61
Basic weighted-average shares of Class A common stock outstanding (in shares)	14,540	14,297
Diluted weighted-average shares of Class A common stock outstanding (in shares)	14,540	14,587