Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
Revenue:
Time-based license	$ 362,788	$ 322,147	$ 1,082,262	$ 936,518
Upfront license	25,423	19,013	76,268	70,562
Maintenance and service	55,536	45,635	143,274	138,029
Total revenue	443,747	386,795	1,301,804	1,145,109
Cost of revenue:
License	57,415	52,089	172,729	153,758
Maintenance and service	21,218	19,275	59,177	59,796
Amortization of intangible assets	21,156	13,368	58,243	41,511
Total cost of revenue	99,789	84,732	290,149	255,065
Gross margin	343,958	302,063	1,011,655	890,044
Operating expenses:
Research and development	143,955	122,547	428,060	366,456
Sales and marketing	100,004	90,732	304,244	269,618
General and administrative	31,769	27,052	115,556	86,387
Amortization of intangible assets	4,835	3,553	13,261	11,057
Total operating expenses	280,563	243,884	861,121	733,518
Operating income	63,395	58,179	150,534	156,526
Other income (expense), net	(2,310)	(2,212)	7,869	9,032
Income before income taxes	61,085	55,967	158,403	165,558
Provision (benefit) for income taxes	(14,571)	3,885	5,082	(15,864)
Net income	$ 75,656	$ 52,082	$ 153,321	$ 181,422
Net income per share:
Basic	$ 0.51	$ 0.36	$ 1.05	$ 1.23
Diluted	$ 0.50	$ 0.35	$ 1.03	$ 1.20
Shares used in computing per share amounts:
Basic	147,801	144,960	145,827	147,479
Diluted	150,644	148,045	149,095	151,598