Unaudited Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
Revenue:
Time-based license	$ 413,491	$ 363,580	$ 799,450	$ 719,474
Upfront license	24,779	22,333	55,568	50,845
Maintenance and service	60,987	46,648	119,376	87,738
Total revenue	499,257	432,561	974,394	858,057
Cost of revenue:
License	61,569	57,592	126,061	115,314
Maintenance and service	19,766	19,215	39,821	37,959
Amortization of intangible assets	26,398	23,699	52,914	37,087
Total cost of revenue	107,733	100,506	218,796	190,360
Gross margin	391,524	332,055	755,598	667,697
Operating expenses:
Research and development	169,962	151,230	327,472	284,105
Sales and marketing	103,930	108,836	205,688	204,240
General and administrative	32,254	49,948	70,192	83,787
Amortization of intangible assets	5,875	4,905	11,762	8,426
Total operating expenses	312,021	314,919	615,114	580,558
Operating income	79,503	17,136	140,484	87,139
Other income (expense), net	7,204	6,353	17,953	10,179
Income before provision for income taxes	86,707	23,489	158,437	97,318
Provision (benefit) for income taxes	18,016	2,518	19,824	19,653
Net income	$ 68,691	$ 20,971	$ 138,613	$ 77,665
Net income per share:
Basic	$ 0.45	$ 0.14	$ 0.91	$ 0.54
Diluted	$ 0.44	$ 0.14	$ 0.89	$ 0.52
Shares used in computing per share amounts:
Basic	153,515	145,948	152,496	144,877
Diluted	156,606	149,297	155,662	148,259