Related Party Transactions (Details) - USD ($)	3 Months Ended			9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2022	Jun. 30, 2021	Sep. 30, 2021
Related Party Transactions [Abstract]
Due to related parties	$ 700,000			$ 700,000		$ 1,000,000.0
Due from related parties	300,000			300,000		$ 32,368
Affiliated Entities [Member]
Related Party Transactions [Abstract]
Purchase of inventories	14,700,000	$ 27,500,000		72,900,000	$ 63,900,000
Expenses incurred	700,000	500,000		2,000,000.0	1,600,000
Affiliated Entities and Individuals [Member]
Related Party Transactions [Abstract]
Fees received for goods and services	$ 500,000	$ 400,000		5,400,000	1,800,000
Payments and fees, related party			$ 100,000	$ 200,000	$ 100,000