Related Party Transactions (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Sep. 30, 2023
Related Party Transaction [Line Items]
Purchase of inventories	$ 32,300	$ 20,700	$ 103,800	$ 68,100
Expenses incurred	600	600	1,800	1,600
Total revenues	542,441	594,339	1,394,775	1,485,329
Accounts receivable, net	103,854		103,854		$ 113,175
Accounts payable	27,873		27,873		27,113
Affiliated Entities and Individuals
Related Party Transaction [Line Items]
Total revenues	100	100	1,400	1,000
Costs and expenses, related party	100	$ 0	100	$ 100
Affiliated Entity
Related Party Transaction [Line Items]
Accounts receivable, net	400		400		4,700
Accounts payable	$ 3,400		$ 3,400		$ 0