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Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands | Oct. 31, 2019 | Oct. 31, 2018
--- | --- | ---
Deferred tax assets: |  |
Accruals and reserves | $ 0 | $ 17,766
Deferred revenue | 0 | 37,072
Deferred compensation | 56,483 | 50,096
Intangible and depreciable assets | 160,072 | 185,940
Capitalized research and development costs | 48,804 | 4,817
Stock-based compensation | 20,372 | 19,825
Tax loss carryovers | 40,068 | 37,029
Foreign tax credit carryovers | 20,187 | 64,803
Research and other tax credit carryovers | 278,382 | 250,069
Other | 0 | 4,480
Gross deferred tax assets | 624,368 | 671,897
Valuation allowance | (157,343) | (201,258)
Total deferred tax assets | 467,025 | 470,639
Deferred tax liabilities: |  |
Intangible assets | 58,697 | 72,682
Accruals and reserves | 4,450 | 0
Deferred revenue | 6,611 | 0
Undistributed earnings of foreign subsidiaries | 6,864 | 523
Other | 1,762 | 0
Total deferred tax liabilities | 78,384 | 73,205
Net deferred tax assets | $ 388,641 | $ 397,434

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