Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Oct. 31, 2024	Oct. 31, 2023
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	0	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