Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Revenue:
Total revenue	$ 3,121,058	$ 2,724,880	$ 2,422,532
Cost of revenue:
Amortization of intangible assets	84,034	76,109	102,118
Total cost of revenue	735,898	654,184	542,962
Gross margin	2,385,160	2,070,696	1,879,570
Operating expenses:
Research and development	1,084,822	908,841	856,705
Sales and marketing	622,978	549,248	502,368
General and administrative	262,560	196,844	165,962
Amortization of intangible assets	41,630	31,614	27,507
Restructuring charges	12,945	36,586	9,633
Total operating expenses	2,024,935	1,723,133	1,562,175
Operating income	360,225	347,563	317,395
Other income (expense), net	3,318	35,535	12,153
Income (loss) before provision for income taxes	363,543	383,098	329,548
Provision (benefit) for income taxes	(68,975)	246,535	62,722
Net income	$ 432,518	$ 136,563	$ 266,826
Net income per share:
Basic (in USD per share)	$ 2.90	$ 0.91	$ 1.76
Diluted (in USD per share)	$ 2.82	$ 0.88	$ 1.73
Shares used in computing per share amounts:
Basic (shares)	149,036	150,457	152,017
Diluted (shares)	153,393	154,874	154,721
Products
Revenue:
Total revenue	$ 2,303,317	$ 2,021,812	$ 1,910,902
Cost of revenue:
Cost of goods and services sold	448,430	413,203	346,825
Upfront products
Revenue:
Total revenue	357,698	338,204	248,137
Maintenance and service
Revenue:
Total revenue	460,043	364,864	263,493
Cost of revenue:
Cost of goods and services sold	$ 203,434	$ 164,872	$ 94,019