Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015	Oct. 31, 2015
Taxes [Line Items]
Statutory federal income tax rate	35.00%
Gross unrecognized tax benefits	$ 116,700
Unrecognized tax benefits that would affect effective tax rate	113,900
Long-term deferred income taxes	280,009		$ 273,909	[1]
Fiscal Year 2012 | Taiwan Taxing Authority
Taxes [Line Items]
Unrecognized tax benefits decrease resulting from settlement		$ 1,100
Fiscal year 2011, 2010, and 2009 | California Franchise Tax Board
Taxes [Line Items]
Reduction in deferred tax asset due to tax settlement	4,900
Unrecognized tax benefits decrease resulting from settlement	10,300
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	5,400
Minimum
Taxes [Line Items]
Estimated potential decrease in underlying unrecognized tax benefits	0
Maximum
Taxes [Line Items]
Estimated potential decrease in underlying unrecognized tax benefits	$ 24,000
New Accounting Pronouncement, Early Adoption, Effect [Member]
Taxes [Line Items]
Deferred income taxes, current			(95,000)
Long-term deferred income taxes			$ 95,000

[1] Derived from audited financial statements.