Unaudited Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Revenue:
Time-based license	$ 447,844	$ 424,185	$ 878,870	$ 824,331
Upfront license	44,313	36,297	90,793	70,269
Maintenance and service	65,047	57,215	129,584	102,048
Total revenue	557,204	517,697	1,099,247	996,648
Cost of revenue:
License	70,350	67,302	141,134	130,127
Maintenance and service	29,010	21,109	56,993	41,380
Amortization of intangible assets	25,612	25,674	51,478	48,427
Total cost of revenue	124,972	114,085	249,605	219,934
Gross margin	432,232	403,612	849,642	776,714
Operating expenses:
Research and development	188,315	178,043	369,925	345,586
Sales and marketing	120,579	114,784	226,748	220,576
General and administrative	40,975	40,575	77,329	74,808
Amortization of intangible assets	6,436	6,376	12,878	11,754
Restructuring charges	0	0	15,336	0
Total operating expenses	356,305	339,778	702,216	652,724
Operating income	75,927	63,834	147,426	123,990
Other income (expense), net	7,957	4,225	13,073	15,253
Income before provision for income taxes	83,884	68,059	160,499	139,243
Provision (benefit) for income taxes	28,288	4,742	39,714	8,230
Net income	$ 55,596	$ 63,317	$ 120,785	$ 131,013
Net income per share:
Basic (in USD per share)	$ 0.36	$ 0.41	$ 0.78	$ 0.85
Diluted (in USD per share)	$ 0.35	$ 0.40	$ 0.77	$ 0.83
Shares used in computing per share amounts:
Basic (shares)	154,515	154,572	154,486	154,319
Diluted (shares)	157,483	157,082	157,409	156,986