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Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands | Oct. 31, 2020 | Oct. 31, 2019
--- | --- | ---
Deferred tax assets: |  |
Deferred revenue | $ 2,367 | $ 0
Deferred compensation | 55,172 | 56,483
Intangible and depreciable assets | 115,097 | 160,072
Capitalized research and development costs | 118,857 | 48,804
Stock-based compensation | 28,478 | 20,372
Tax loss carryovers | 35,571 | 40,068
Foreign tax credit carryovers | 18,645 | 20,187
Research and other tax credit carryovers | 320,317 | 278,382
Operating Lease Liabilities | 101,386 | 0
Gross deferred tax assets | 795,890 | 624,368
Valuation allowance | (158,895) | (157,343)
Total deferred tax assets | 636,995 | 467,025
Deferred tax liabilities: |  |
Intangible assets | 45,915 | 58,697
Operating lease Right-of-Use-Assets | 84,716 | 0
Accruals and reserves | 7,780 | 4,450
Deferred revenue | 0 | 6,611
Undistributed earnings of foreign subsidiaries | 3,063 | 6,864
Other | 372 | 1,762
Total deferred tax liabilities | 141,846 | 78,384
Net deferred tax assets | $ 495,149 | $ 388,641

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