Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Oct. 31, 2025	Oct. 31, 2024
Deferred tax assets:
Deferred revenue	$ 164,953	$ 37,849
Deferred compensation	88,079	73,869
Intangible and depreciable assets	57,278	65,489
Capitalized research and development costs	1,352,914	978,085
Stock-based compensation	110,861	74,934
Tax loss carryovers	54,854	37,787
Foreign tax credit carryovers	43,342	42,534
Research and other tax credit carryovers	139,998	107,643
Operating lease liabilities	127,570	108,235
Accruals and reserves	117,113	49,935
Gross deferred tax assets	2,256,962	1,576,360
Valuation allowance	(38,900)	(170,672)
Total deferred tax assets	2,218,062	1,405,688
Deferred tax liabilities:
Intangible assets	2,982,708	80,034
Operating lease right-of-use-assets	104,486	84,512
Undistributed earnings of foreign subsidiaries	24,074	8,800
Other	269	21,641
Total deferred tax liabilities	3,111,537	194,987
Net deferred tax liabilities	$ (893,475)
Net deferred tax assets		$ 1,210,701