v3.26.1
Fair Value Measurements (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Sep. 30, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Assets, Fair Value Disclosure $ 831   $ 831   $ 1,120
Financial and Nonfinancial Liabilities, Fair Value Disclosure (694)   (694)   (984)
Business Combination, Contingent Consideration, Liability, Noncurrent (2,500)   (2,500)   (2,113)
Fair Value, Net Asset (Liability) 308,219   308,219   102,610
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings (129) $ (338) (387) $ (1,016)  
Equity Securities, FV-NI, Current 310,582   310,582   104,587
Equity Securities, FV-NI, Unrealized Gain (Loss) 21,456 $ (3,764) 56,078 4,098  
Equity Securities, FV-NI 310,582   310,582   104,587
Payments to Acquire Investments     0 $ 44,900  
Commitments          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Business Combination, Contingent Consideration, Liability, Noncurrent (2,500)   (2,500)   (2,113)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings     387    
Fair Value, Inputs, Level 1 [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Assets, Fair Value Disclosure 831   831   1,120
Financial and Nonfinancial Liabilities, Fair Value Disclosure (694)   (694)   (984)
Fair Value, Net Asset (Liability) 310,719   310,719   104,723
Equity Securities, FV-NI, Current 310,582   310,582   104,587
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 (2,500)   (2,500)   (2,113)
Fair Value, Net Asset (Liability) $ (2,500)   $ (2,500)   $ (2,113)