Unaudited Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Revenue:
Time-based license	$ 484,175	$ 447,844	$ 948,455	$ 878,870
Upfront license	58,163	44,313	101,600	90,793
Maintenance and service	62,667	65,047	123,554	129,584
Total revenue	605,005	557,204	1,173,609	1,099,247
Cost of revenue:
License	85,444	70,350	161,837	141,134
Maintenance and service	21,631	29,010	44,156	56,993
Amortization of intangible assets	24,555	25,612	55,081	51,478
Total cost of revenue	131,630	124,972	261,074	249,605
Gross margin	473,375	432,232	912,535	849,642
Operating expenses:
Research and development	216,172	188,315	412,877	369,925
Sales and marketing	120,926	120,579	243,546	226,748
General and administrative	41,553	40,975	81,250	77,329
Amortization of intangible assets	7,024	6,436	13,959	12,878
Restructuring charges	894	0	2,987	15,336
Total operating expenses	386,569	356,305	754,619	702,216
Operating income	86,806	75,927	157,916	147,426
Other income (expense), net	10,417	7,957	3,649	13,073
Income before income taxes	97,223	83,884	161,565	160,499
Provision (benefit) for income taxes	27,847	28,288	32,154	39,714
Net income	$ 69,376	$ 55,596	$ 129,411	$ 120,785
Net income per share:
Basic (in USD per share)	$ 0.46	$ 0.36	$ 0.85	$ 0.78
Diluted (in USD per share)	$ 0.45	$ 0.35	$ 0.84	$ 0.77
Shares used in computing per share amounts:
Basic (shares)	152,250	154,515	152,609	154,486
Diluted (shares)	154,536	157,483	154,921	157,409