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v3.22.2.2

Income Taxes - Schedule Of Deferred Tax Assets And Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2019
--- | --- | --- | --- | ---
Deferred tax assets: |  |  |  |
Net operating loss carryforwards | $ 40,419 | $ 65,383 |  |
Foreign tax credits | 14,527 | 36,287 |  |
Capitalized research and development | 23,274 | 27,546 |  |
Pension benefits | 7,639 | 14,097 |  |
Prepaid expenses | 15,886 | 12,540 |  |
Deferred revenue | 2,146 | 2,274 |  |
Stock-based compensation | 19,486 | 15,822 |  |
Other reserves not currently deductible | 14,689 | 16,796 |  |
Amortization of intangible assets | 130,825 | 147,385 |  |
Research and development and other tax credits | 78,862 | 74,846 |  |
Lease liabilities | 46,672 | 51,471 |  |
Fixed assets | 78,249 | 53,025 |  |
Capital loss carryforward | 3,955 | 35,156 |  |
Other | 1,256 | 2,269 |  |
Gross deferred tax assets | 477,885 | 554,897 |  |
Valuation allowance | (22,283) | (52,085) | $ (205,423) | $ (177,663)
Total deferred tax assets | 455,602 | 502,812 |  |
Deferred tax liabilities: |  |  |  |
Acquired intangible assets not deductible | (118,360) | (108,746) |  |
Lease assets | (36,940) | (37,273) |  |
Pension prepayments | (2,622) | (2,834) |  |
Deferred revenue | (35,193) | (2,662) |  |
Depreciation | (6,937) | (7,121) |  |
Unbilled accounts receivable | 0 | (6,391) |  |
Deferred income | (5,991) | (21,744) |  |
Prepaid commissions | (13,356) | (16,990) |  |
Other | (8,508) | (5,427) |  |
Total deferred tax liabilities | (227,907) | (209,188) |  |
Net deferred tax assets | $ 227,695 | $ 293,624 |  |

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