Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Revenue:
Time-based license	$ 1,449,300	$ 1,260,342	$ 1,158,418
Upfront	105,137	90,531	68,618
Maintenance and service	201,580	184,770	153,625
Total revenue	1,756,017	1,535,643	1,380,661
Cost of revenue:
License	232,811	205,390	180,245
Maintenance and service	78,607	80,241	64,746
Amortization of intangible assets	81,255	54,819	36,103
Total cost of revenue	392,673	340,450	281,094
Gross margin	1,363,344	1,195,193	1,099,567
Operating expenses:
Research and development	581,628	491,871	449,229
Sales and marketing	415,629	363,118	339,759
General and administrative	157,459	112,760	114,887
Amortization of intangible assets	18,604	14,601	11,582
Total operating expenses	1,173,320	982,350	915,457
Operating income	190,024	212,843	184,110
Other income (expense), net	11,111	6,270	14,548
Income before provision for income taxes	201,135	219,113	198,658
Provision (benefit) for income taxes	18,733	(2,251)	(38,405)
Net income	$ 182,402	$ 221,364	$ 237,063
Net income per share:
Basic	$ 1.24	$ 1.51	$ 1.60
Diluted	$ 1.21	$ 1.47	$ 1.56
Shares used in computing per share amounts:
Basic	146,887	146,573	148,013
Diluted	150,280	150,367	151,911