Unaudited Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013
Revenue:
Time-based license	$ 424,185	$ 413,491	$ 824,331	$ 799,450
Upfront license	36,297	24,779	70,269	55,568
Maintenance and service	57,215	60,987	102,048	119,376
Total revenue	517,697	499,257	996,648	974,394
Cost of revenue:
License	67,302	61,569	130,127	126,061
Maintenance and service	21,109	19,766	41,380	39,821
Amortization of intangible assets	25,674	26,398	48,427	52,914
Total cost of revenue	114,085	107,733	219,934	218,796
Gross margin	403,612	391,524	776,714	755,598
Operating expenses:
Research and development	178,043	169,962	345,586	327,472
Sales and marketing	114,784	103,930	220,576	205,688
General and administrative	40,575	32,254	74,808	70,192
Amortization of intangible assets	6,376	5,875	11,754	11,762
Total operating expenses	339,778	312,021	652,724	615,114
Operating income	63,834	79,503	123,990	140,484
Other income (expense), net	4,225	7,204	15,253	17,953
Income before provision for income taxes	68,059	86,707	139,243	158,437
Provision (benefit) for income taxes	4,742	18,016	8,230	19,824
Net income	$ 63,317	$ 68,691	$ 131,013	$ 138,613
Net income per share:
Basic	$ 0.41	$ 0.45	$ 0.85	$ 0.91
Diluted	$ 0.40	$ 0.44	$ 0.83	$ 0.89
Shares used in computing per share amounts:
Basic	154,572	153,515	154,319	152,496
Diluted	157,082	156,606	156,986	155,662