Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Oct. 31, 2017	Oct. 31, 2016
Deferred tax assets:
Accruals and reserves	$ 36,906	$ 34,324
Deferred revenue	42,420	42,497
Deferred compensation	67,145	64,321
Capitalized costs	51,679	54,123
Capitalized research and development costs	12,508	18,896
Stock-based compensation	23,679	22,298
Tax loss carryovers	23,623	31,748
Foreign tax credit carryovers	7,662	10,369
Research and other tax credit carryovers	157,817	136,690
Other	0	5,161
Gross deferred tax assets	423,439	420,427
Valuation allowance	(121,770)	(73,909)
Total deferred tax assets	301,669	346,518
Deferred tax liabilities:
Intangible assets	62,299	54,604
Undistributed earnings of foreign subsidiaries	1,300	10,888
Other	1,758	0
Total deferred tax liabilities	65,357	65,492
Net deferred tax assets	$ 236,312	$ 281,026