Fair Value Measurements (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2023	Sep. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 783	$ 706
Investments, Fair Value Disclosure	288	1,937
Financial and Nonfinancial Liabilities, Fair Value Disclosure	(658)	(585)
Business Combination, Contingent Consideration, Liability, Noncurrent	(4,394)	(4,323)
Fair Value, Net Asset (Liability)	(3,981)	(2,265)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings	(71)
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	783	706
Investments, Fair Value Disclosure	288	1,937
Financial and Nonfinancial Liabilities, Fair Value Disclosure	(658)	(585)
Fair Value, Net Asset (Liability)	413	2,058
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Contingent Consideration, Liability, Noncurrent	(4,394)	(4,323)
Fair Value, Net Asset (Liability)	$ (4,394)	$ (4,323)