Income Taxes (Tables)

12 Months Ended

Oct. 31, 2024

Income Tax Disclosure [Abstract]

Schedule of Domestic and Foreign Components of Total Income Before Provision for Income Tax

The domestic and foreign components of our total income before provision for income taxes are as follows:

	Year Ended October 31,
	2024		2023		2022
	(in thousands)
United States	$	1,333,132	$	1,144,410	$	1,028,829
Foreign	180,726		161,060		74,623
Total income before provision for income taxes	$	1,513,858	$	1,305,470	$	1,103,452

Schedule of Components of Provision (Benefit) for Income Taxes

The components of the provision (benefit) for income taxes are as follows:

	Year Ended October 31,
	2024		2023		2022
	(in thousands)
Current:
Federal	$	345,859	$	252,186	$	109,030
State	19,808		23,042		23,593
Foreign	110,021		22,869		43,076
	475,688		298,097		175,699
Deferred:
Federal	(312,677)		(191,249)		(38,901)
State	(39,164)		(219)		(1,067)
Foreign	(24,129)		(16,441)		3,654
	(375,970)		(207,909)		(36,314)
Provision (benefit) for income taxes	$	99,718	$	90,188	$	139,385

Schedule of Rate Reconciliation Between Provision (Benefit) for Income Taxes and Taxes Computed at Statutory Federal Rate

The provision (benefit) for income taxes differs from the taxes computed with the statutory federal income tax rate as follows: 

	Year Ended October 31,
	2024		2023		2022
	(in thousands)
Statutory federal tax	$	317,912	$	274,149	$	231,723
State tax (benefit), net of federal effect	48,393		438		(2,870)
Federal tax credits	(70,119)		(60,500)		(55,708)
Tax (benefit) on foreign earnings	3,316		(17,571)		23,709
Foreign-derived intangible income deduction	(104,835)		(80,034)		(38,816)
Tax settlements	—		(23,752)		—
Stock-based compensation	(43,419)		(39,995)		(50,469)
Changes in valuation allowance	(57,371)		29,631		19,794
Other	5,841		7,822		12,022
Provision (benefit) for income taxes	$	99,718	$	90,188	$	139,385

Schedule of Components of Deferred Tax Assets and Liabilities

The significant components of deferred tax assets and liabilities are as follows:

	As of October 31,
	2024		2023
	(in thousands)
Net deferred tax assets:
Deferred tax assets:
Deferred revenue	$	37,849	$	37,641
Deferred compensation	73,869		69,824
Intangible and depreciable assets	65,489		94,299
Capitalized research and development costs	978,085		591,617
Stock-based compensation	74,934		64,326
Tax loss carryovers	37,787		36,804
Foreign tax credit carryovers	42,534		41,584
Research and other tax credit carryovers	107,643		178,416
Operating Lease Liabilities	108,235		118,679
Accruals and reserves	49,935		27,636
Gross deferred tax assets	1,576,360		1,260,826
Valuation allowance	(170,672)		(221,713)
Total deferred tax assets	1,405,688		1,039,113
Deferred tax liabilities:
Intangible assets	80,034		98,305
Operating lease Right-of-Use-Assets	84,512		94,068
Accruals and reserves	—		602
Undistributed earnings of foreign subsidiaries	8,800		8,900
Other	21,641		19,169
Total deferred tax liabilities	194,987		221,044
Net deferred tax assets	$	1,210,701	$	818,069

Schedule of 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:

Carryforward	Amount		Expiration Date
	(in thousands)
Federal net operating loss carryforward	$	69,062	2025-2043
Federal research credit carryforward	6,214		2025-2035
Federal foreign tax credit carryforward	34,217		2034
International foreign tax credit carryforward	5,337		Indefinite
International net operating loss carryforward	51,326		2027-Indefinite
California research credit carryforward	151,380		Indefinite
Other state research credit carryforward	25,621		2027-2044
State net operating loss carryforward	138,482		2028-2045

Schedule 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,
	2024		2023
	(in thousands)
Beginning balance	$	64,880	$	71,898
Increases in unrecognized tax benefits related to prior year tax positions	1,106		211
Decreases in unrecognized tax benefits related to prior year tax positions	(8,639)		(25,678)
Increases in unrecognized tax benefits related to current year tax positions	8,036		8,029
Reductions in unrecognized tax benefits due to lapse of applicable statute of limitations	(4,380)		(249)
Increases in unrecognized tax benefits acquired	161		165
Changes in unrecognized tax benefits due to foreign currency translation	690		10,504
Ending balance	$	61,854	$	64,880

Schedule of Subsidiaries Remain Subject to Tax Examination

We and/or our subsidiaries remain subject to tax examination in the following jurisdictions:

Jurisdiction	Year(s) Subject to Examination
United States	Fiscal years after 2020
California	Fiscal years after 2019
Ireland	Fiscal years after 2019
Japan	Fiscal years after 2019
Korea	Fiscal years after 2020
Taiwan	Fiscal years after 2022
China	Fiscal years after 2014
India	Fiscal years after 2019