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Income Taxes (Tables)
 12 Months Ended
Oct. 31, 2022
Income Tax Disclosure [Abstract]  
Domestic and Foreign Components of Total Income Before Provision for Income Tax
The domestic and foreign components of our total income (loss) before provision for income taxes were as follows:
 Year Ended October 31,
 202220212020
 (in thousands)
United States$1,036,279 $640,531 $544,391 
Foreign79,235 164,983 93,768 
Total income (loss) before provision for income taxes$1,115,514 $805,514 $638,159 
Components of (Benefit) Provision for Income Taxes
The components of the provision (benefit) for income taxes were as follows:
 Year Ended October 31,
 202220212020
 (in thousands)
Current:
Federal$105,493 $85,950 $29,272 
State23,201 11,898 1,863 
Foreign45,297 79,890 55,103 
173,991 177,738 86,238 
Deferred:
Federal(42,086)(108,530)(84,739)
State1,519 1,796 (20,233)
Foreign3,654 (21,849)(6,554)
(36,913)(128,583)(111,526)
Provision (benefit) for income taxes$137,078 $49,155 $(25,288)
Rate Reconciliation Between Provision for Income Taxes and Taxes Computed at Statutory Federal Rate
The provision (benefit) for income taxes differed from the taxes computed with the statutory federal income tax rate as follows: 
 Year Ended October 31,
 202220212020
 (in thousands)
Statutory federal tax$234,257 $168,745 $133,979 
State tax (benefit), net of federal effect (2,514)(2,419)(29,096)
Federal tax credits(61,582)(45,503)(39,206)
Tax on foreign earnings25,930 7,988 (3,980)
Foreign-derived intangible income deduction(38,924)(31,214)(24,282)
Tax settlements— (7,134)(13,167)
Stock-based compensation(52,625)(62,620)(50,047)
Changes in valuation allowance19,794 15,232 (614)
Other12,742 6,080 1,125 
Provision (benefit) for income taxes$137,078 $49,155 $(25,288)
Components of Deferred Tax Assets and Liabilities
The significant components of deferred tax assets and liabilities were as follows:
 October 31,
 20222021
 (in thousands)
Net deferred tax assets:
Deferred tax assets:
Deferred revenue41,941 30,113 
Deferred compensation67,782 59,823 
Intangible and depreciable assets119,791 117,211 
Capitalized research and development costs231,733 203,052 
Stock-based compensation60,537 40,922 
Tax loss carryovers59,754 30,305 
Foreign tax credit carryovers27,153 32,498 
Research and other tax credit carryovers316,650 326,164 
Operating Lease Liabilities119,575 94,519 
      Other16,887 — 
Gross deferred tax assets1,061,803 934,607 
Valuation allowance(198,213)(174,117)
Total deferred tax assets863,590 760,490 
Deferred tax liabilities:
      Intangible assets102,796 61,448 
      Operating lease Right-of-Use-Assets96,598 77,877 
      Accruals and reserves5,998 6,216 
      Undistributed earnings of foreign subsidiaries1,000 7,580 
      Other— 628 
Total deferred tax liabilities206,392 153,749 
Net deferred tax assets$657,198 $606,741 
Tax Loss and Credit Carryforwards Available to Offset Future Income Tax Liabilities
We have the following tax loss and credit carryforwards available to offset future income tax liabilities:
CarryforwardAmountExpiration
Date
 (in thousands) 
Federal net operating loss carryforward$142,645 2023-2041
Federal research credit carryforward140,331 2023-2042
Federal foreign tax credit carryforward16,813 2027-2033
International foreign tax credit carryforward12,025 Indefinite
International net operating loss carryforward37,086 2027-Indefinite
California research credit carryforward226,519 Indefinite
Other state research credit carryforward20,743 2025-2042
State net operating loss carryforward198,348 2023-2044
Summary of Reconciliation of Beginning and Ending Balance of Gross Unrecognized Tax Benefit A reconciliation of the beginning and ending balance of gross unrecognized tax benefits is summarized as follows:
As of October 31, 2022As of October 31, 2021
 (in thousands)
Beginning balance$82,360 $83,149 
Increases in unrecognized tax benefits related to prior year tax positions435 794 
Decreases in unrecognized tax benefits related to prior year tax positions(9,791)(7,372)
Increases in unrecognized tax benefits related to current year tax positions6,794 9,168 
Decreases in unrecognized tax benefits related to settlements with taxing authorities(1,104)(1,538)
Reductions in unrecognized tax benefits due to lapse of applicable statute of limitations(2,601)(1,235)
Increases in unrecognized tax benefits acquired14,121 — 
Changes in unrecognized tax benefits due to foreign currency translation(9,031)(606)
Ending balance$81,183 $82,360 
Subsidiaries Remain Subject to Tax Examination
We and/or our subsidiaries remain subject to tax examination in the following jurisdictions:
JurisdictionYear(s) Subject to Examination
United StatesFiscal years after 2020
CaliforniaFiscal years after 2017
HungaryFiscal years after 2018
IrelandFiscal years after 2017
JapanFiscal years after 2016
Korea and TaiwanFiscal years after 2020
ChinaFiscal years after 2012
IndiaFiscal years after 2018