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Fair Value Measurements (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
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Assets, Fair Value Disclosure $ 940   $ 940   $ 783
Debt Securities, Trading 4,388   4,388    
Financial and Nonfinancial Liabilities, Fair Value Disclosure (807)   (807)   (657)
Business Combination, Contingent Consideration, Liability, Noncurrent (2,833)   (2,833)   (4,465)
Fair Value, Net Asset (Liability) 12,113   12,113   (4,339)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings     $ 78    
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]     Contingent consideration    
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements     $ (4,500)    
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases     2,790    
Equity Securities, FV-NI, Current 10,425   10,425    
Equity Securities, FV-NI, Unrealized Gain (Loss) (1,497) $ 0 (3,349) $ 0  
Debt Securities, Trading, Unrealized Gain (Loss) (55) 0 7 0  
Debt and Equity Securities, Unrealized Gain (Loss) 0 $ (1,552) 0 $ (3,342)  
Fair Value, Inputs, Level 1 [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Assets, Fair Value Disclosure 940   940   783
Debt Securities, Trading 4,388   4,388    
Financial and Nonfinancial Liabilities, Fair Value Disclosure (807)   (807)   (657)
Fair Value, Net Asset (Liability) 14,946   14,946   126
Equity Securities, FV-NI, Current 10,425   10,425    
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 (2,833)   (2,833)    
Fair Value, Net Asset (Liability) $ (2,833)   $ (2,833)   $ (4,465)