Income Taxes - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended		12 Months Ended
	Jul. 31, 2017	Jul. 31, 2019	Oct. 31, 2018	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017	Apr. 30, 2019	Nov. 01, 2018
Taxes [Line Items]
Federal statutory income tax rate, percent				21.00%
Undistributed earnings of foreign subsidiaries				$ (6,341,000)	$ 974,000	$ 9,610,000
Tax Cuts And Jobs Act Of 2017, transition tax expense			$ 63,100,000	17,900,000
Decrease in valuation allowance				43,900,000
Tax credits				34,485,000	35,142,000	24,365,000
Increase in gross unrecognized tax benefits				14,800,000
Gross unrecognized tax benefits			131,019,000	116,212,000	131,019,000	91,637,000	$ 17,400,000
Unrecognized tax benefits affecting effective tax rate			120,900,000	116,200,000	120,900,000
The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations				300,000	9,400,000	200,000
The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations			$ 12,600,000	12,800,000	12,600,000
Decrease in unrecognized tax benefits resulting from settlement with taxing authorities				1,624,000	175,000
Domestic Tax Authority
Taxes [Line Items]
Tax credits				28,100,000
California Franchise Tax Board | Fiscal Year 2012 to 2014
Taxes [Line Items]
Decrease in valuation allowance						13,200,000
Decrease in unrecognized tax benefits resulting from settlement with taxing authorities						14,600,000
Tax impact from tax settlements						400,000
Decrease in deferred tax assets						1,100,000
Internal Revenue Service (IRS) | Fiscal Year 2018
Taxes [Line Items]
Decrease in unrecognized tax benefits resulting from settlement with taxing authorities				5,400,000
Foreign tax credits, resulting from settlements with taxing authorities				28,100,000
Internal Revenue Service (IRS) | Fiscal Year 2017
Taxes [Line Items]
Decrease in unrecognized tax benefits resulting from settlement with taxing authorities					$ 21,800,000
Internal Revenue Service (IRS) | Fiscal Year 2016
Taxes [Line Items]
Decrease in unrecognized tax benefits resulting from settlement with taxing authorities						4,600,000
Hungary | Fiscal Year 2011 to 2013
Taxes [Line Items]
The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations	$ 11,000,000.0
Proposed tax assessment	$ 25,000,000.0
Korea | Fiscal Years 2012 to 2016
Taxes [Line Items]
Tax impact from tax settlements						7,900,000
Taiwan | Fiscal Year 2017
Taxes [Line Items]
Tax impact from tax settlements				5,500,000
Taiwan | Fiscal Year 2014
Taxes [Line Items]
Tax impact from tax settlements						$ 10,900,000
Minimum
Taxes [Line Items]
Estimated potential decrease in underlying unrecognized tax benefits, minimum				0.0
Maximum
Taxes [Line Items]
Estimated potential decrease in underlying unrecognized tax benefits, minimum				42,200,000
Accounting Standards Update 2016-16
Taxes [Line Items]
Cumulative effect of new accounting principle in period of adoption				(130,544,000)
Accounting Standards Update 2016-16 | Retained Earnings
Taxes [Line Items]
Cumulative effect of new accounting principle in period of adoption				$ (130,544,000)				$ 130,500,000
Altera
Taxes [Line Items]
Income tax expense, resulting from legal settlement		$ 18,300,000