Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 428
Balance at Beginning of Period	13,636
Charged to Costs and Expenses, net of Recoveries	292	$ (76)
Balance at End of Period	591	428
Balance at End of Period	13,971	13,636
Inventory Obsolescence Reserve
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	36,936	34,960
Charged to Costs and Expenses	3,222	3,001
(Deductions) and Additions	(787)	(1,025)
Balance at End of Period	39,371	36,936
Allowance for Doubtful Accounts on Accounts and Financing Receivables
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	428	496
Charged to Costs and Expenses, net of Recoveries	292	(76)
(Deductions) and Additions	(129)	8
Balance at End of Period	$ 591	$ 428