Inventories (Tables)

12 Months Ended

Sep. 30, 2023

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories consisted of the following at:

($ in thousands)	September 30, 2023		September 30, 2022
New vessels	$	471,147	$	243,090
Pre-owned vessels	61,627		51,607
Parts and accessories, work in process, net	76,842		78,262
Total inventories, net	$	609,616	$	372,959