Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Revenue:
Total revenue	$ 3,360,694	$ 3,121,058	$ 2,724,880
Cost of revenue:
Amortization of intangible assets	59,623	84,034	76,109
Total cost of revenue	752,946	735,898	654,184
Gross margin	2,607,748	2,385,160	2,070,696
Operating expenses:
Research and development	1,136,932	1,084,822	908,841
Sales and marketing	632,890	622,978	549,248
General and administrative	229,218	262,560	196,844
Amortization of intangible assets	41,291	41,630	31,614
Restructuring charges	47,186	12,945	36,586
Total operating expenses	2,087,517	2,024,935	1,723,133
Operating income	520,231	360,225	347,563
Other income (expense), net	25,275	3,318	35,535
Income before income taxes	545,506	363,543	383,098
Provision (benefit) for income taxes	13,139	(68,975)	246,535
Net income	$ 532,367	$ 432,518	$ 136,563
Net income per share:
Basic (in USD per share)	$ 3.55	$ 2.90	$ 0.91
Diluted (in USD per share)	$ 3.45	$ 2.82	$ 0.88
Shares used in computing per share amounts:
Basic (shares)	149,872	149,036	150,457
Diluted (shares)	154,190	153,393	154,874
Time-based products
Revenue:
Total revenue	$ 2,197,965	$ 2,303,317	$ 2,021,812
Cost of revenue:
Cost of revenue	459,127	448,430	413,203
Upfront products
Revenue:
Total revenue	619,791	357,698	338,204
Maintenance and service
Revenue:
Total revenue	542,938	460,043	364,864
Cost of revenue:
Cost of revenue	$ 234,196	$ 203,434	$ 164,872