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v3.25.3

Income Taxes (Tables) | 12 Months Ended
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Sep. 30, 2025
Income Tax Disclosure [Abstract] |
Provision for Income Taxes | The provision for income taxes was as follows during fiscal 2025, 2024 and 2023:
| Year ended September 30,
| 2025 |  | 2024 |  | 2023
| (In thousands)
Current: |  |  |  |  |
Federal | $ | 123,340 |  |  | $ | 110,402 |  |  | $ | 112,456 |
State | 23,818 |  |  | 10,199 |  |  | 16,844 |
Foreign | 35,977 |  |  | 35,943 |  |  | 42,327 |
| 183,135 |  |  | 156,544 |  |  | 171,627 |
Deferred: |  |  |  |  |
Federal | (26,949) |  |  | (26,227) |  |  | (37,884) |
State | (3,330) |  |  | (1,712) |  |  | (15,025) |
Foreign | (2,207) |  |  | 609 |  |  | 5,531 |
| (32,486) |  |  | (27,330) |  |  | (47,378) |
Total provision | $ | 150,649 |  |  | $ | 129,214 |  |  | $ | 124,249 |
Deferred Tax Assets and Liabilities | Deferred tax assets and liabilities at September 30, 2025 and 2024 were as follows:
| September 30,
| 2025 |  | 2024
| (In thousands)
Deferred tax assets: |  |  |
Loss and credit carryforwards | $ | 6,876 |  |  | $ | 7,717 |
Compensation benefits | 31,638 |  |  | 32,093 |
Operating lease liabilities | 7,375 |  |  | 7,881 |
Research and development costs | 100,304 |  |  | 67,795 |
Other assets | 21,538 |  |  | 18,241 |
Total deferred tax assets | 167,731 |  |  | 133,727 |
Deferred tax liabilities: |  |  |
Intangible assets | (8,612) |  |  | (7,812) |
Deferred commission | (15,134) |  |  | (14,484) |
Operating lease right-of-use assets | (6,479) |  |  | (7,240) |
Other liabilities | (18,953) |  |  | (17,678) |
Total deferred tax liabilities | (49,178) |  |  | (47,214) |
Deferred tax assets, net | $ | 118,553 |  |  | $ | 86,513 |
Reconciliation Between Federal Statutory Income Tax Rate and Effective Tax Rate | A reconciliation of the provision for income taxes, with the amount computed by applying the U.S. federal statutory income tax rate of 21% to income before provision for income taxes for fiscal 2025, 2024 and 2023 is shown below:
| Year Ended September 30,
| 2025 |  | 2024 |  | 2023
| (In thousands)
Income tax provision at U.S. federal statutory rate | $ | 168,545 |  |  | $ | 134,825 |  |  | $ | 116,261 |
State income taxes, net of U.S. federal benefit | 18,733 |  |  | 13,109 |  |  | 14,135 |
Foreign tax rate differential | 5,812 |  |  | 6,675 |  |  | 9,489 |
Research credits | (6,683) |  |  | (5,472) |  |  | (3,600) |
Valuation allowance | — |  |  | (2,183) |  |  | (14,451) |
Excess tax benefits relating to share-based compensation | (27,638) |  |  | (14,907) |  |  | (949) |
GILTI, FDII, BEAT and FTC | (10,896) |  |  | (9,265) |  |  | (9,010) |
Other | 2,776 |  |  | 6,432 |  |  | 12,374 |
Recorded income tax provision | $ | 150,649 |  |  | $ | 129,214 |  |  | $ | 124,249 |
Schedule of Unrecognized Tax Benefits Roll Forward | A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:
| Year Ended September 30,
| 2025 |  | 2024 |  | 2023
| (In thousands)
Gross unrecognized tax benefits at beginning of year | $ | 19,879 |  |  | $ | 13,849 |  |  | $ | 12,980 |
Gross increases for tax positions in prior years | 678 |  |  | 4,769 |  |  | — |
Gross decreases for tax positions in prior years | — |  |  | (1,956) |  |  | (1,127) |
Gross increases based on tax positions related to the current year | 3,675 |  |  | 4,277 |  |  | 3,650 |
Decreases for settlements and payments | — |  |  | — |  |  | (523) |
Decreases due to statute expiration | (4,727) |  |  | (1,060) |  |  | (1,131) |
Gross unrecognized tax benefits at end of year | $ | 19,505 |  |  | $ | 19,879 |  |  | $ | 13,849 |

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