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v3.25.3

Fair Value Measurements (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Sep. 30, 2024
--- | --- | ---
Assets: |  |
Cash and cash equivalents | $ 450,739 | $ 315,331
Short-term investments | 24,788 | 43,061
Liabilities: |  |
Deferred compensation | 13,707 | 12,027
Contingent future payments related to the acquisition of Remsdaq | 2,344 |
Rabbi trust assets |  |
Assets: |  |
Rabbi trust assets | 13,931 | 12,324
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Assets: |  |
Cash and cash equivalents | 450,739 | 315,331
Short-term investments | 24,788 | 43,061
Liabilities: |  |
Deferred compensation | 0 | 0
Contingent future payments related to the acquisition of Remsdaq | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Rabbi trust assets |  |
Assets: |  |
Rabbi trust assets | 0 | 0
Significant Other Observable Inputs (Level 2) |  |
Assets: |  |
Cash and cash equivalents | 0 | 0
Short-term investments | 0 | 0
Liabilities: |  |
Deferred compensation | 13,707 | 12,027
Contingent future payments related to the acquisition of Remsdaq | 0 |
Significant Other Observable Inputs (Level 2) | Rabbi trust assets |  |
Assets: |  |
Rabbi trust assets | 13,931 | 12,324
Significant Unobservable Inputs (Level 3) |  |
Assets: |  |
Cash and cash equivalents | 0 | 0
Short-term investments | 0 | 0
Liabilities: |  |
Deferred compensation | 0 | 0
Contingent future payments related to the acquisition of Remsdaq | 2,344 |
Significant Unobservable Inputs (Level 3) | Rabbi trust assets |  |
Assets: |  |
Rabbi trust assets | $ 0 | $ 0

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