Fair Value Measurements (Details) - USD ($) $ in Thousands	3 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Sep. 30, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 988		$ 986
Debt Securities, Trading	3,397		3,364
Financial and Nonfinancial Liabilities, Fair Value Disclosure	(858)		(852)
Business Combination, Contingent Consideration, Liability, Noncurrent	(3,807)		(3,468)
Fair Value, Net Asset (Liability)	49,290		31,669
Equity Securities, FV-NI, Current	49,570		31,639
Equity Securities, FV-NI, Unrealized Gain (Loss)	2,238	$ 0
Debt Securities, Trading, Unrealized Gain (Loss)	33	119
Equity Securities, FV-NI	49,570		31,639
Payments to Acquire Investments	44,900	$ 130
Commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Contingent Consideration, Liability, Noncurrent	(3,807)		(3,468)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings	$ 339
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Contingent consideration
Equity Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 988		986
Debt Securities, Trading	3,397		3,364
Financial and Nonfinancial Liabilities, Fair Value Disclosure	(858)		(852)
Fair Value, Net Asset (Liability)	53,097		35,137
Equity Securities, FV-NI, Current	49,570		31,639
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	(3,807)		(3,468)
Fair Value, Net Asset (Liability)	$ (3,807)		(3,468)
Equity Securities, FV-NI			$ 0

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Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

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Fair value of asset after deduction of liability.

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Fair value of financial and nonfinancial obligations.

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The cash outflow associated with the purchase of all investments (debt, security, other) during the period.

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