Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2009
Revenue:
Time-based license	$ 1,260,342	$ 1,158,418	$ 1,150,473
Upfront license	90,531	68,618	57,551
Maintenance and service	184,770	153,625	152,021
Total revenue	1,535,643	1,380,661	1,360,045
Cost of revenue:
License	205,390	180,245	175,620
Maintenance and service	80,241	64,746	65,368
Amortization of intangible assets	54,819	36,103	32,662
Total cost of revenue	340,450	281,094	273,650
Gross margin	1,195,193	1,099,567	1,086,395
Operating expenses:
Research and development	491,871	449,229	419,908
Sales and marketing	363,118	339,759	324,124
General and administrative	112,760	114,887	119,100
In-process research and development			2,200
Amortization of intangible assets	14,601	11,582	12,812
Total operating expenses	982,350	915,457	878,144
Operating income	212,843	184,110	208,251
Other income (expense), net	6,270	14,548	24,819
Income before provision for income taxes	219,113	198,658	233,070
Provision (benefit) for income taxes	(2,251)	(38,405)	65,389
Net income	$ 221,364	$ 237,063	$ 167,681
Net income per share:
Basic	$ 1.51	$ 1.60	$ 1.17
Diluted	$ 1.47	$ 1.56	$ 1.15
Shares used in computing per share amounts:
Basic	146,573	148,013	143,752
Diluted	150,367	151,911	145,857