Inventories (Tables)

12 Months Ended

Sep. 30, 2023

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories consisted of the following as of September 30,

	2022		2023
	(Amounts in thousands)
New and used boats, motors, and trailers	$	272,422	$	625,287
In transit inventory and deposits		117,268		115,879
Parts, accessories, and other		17,143		18,712
Work-in-process		21,691		22,340
Raw materials		25,835		30,612
Inventories	$	454,359	$	812,830