Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Jul. 31, 2011	Oct. 31, 2010
Current assets:
Cash and cash equivalents	$ 486,332	$ 688,687
Accounts receivable, net	414,826	343,582
Inventories	243,827	261,619
Prepaid expenses and other	141,401	147,680
Total current assets	1,286,386	1,441,568
Long-term investments	50,227
Equipment, furniture and fixtures, net	126,174	120,294
Other intangible assets, net	349,845	426,412
Other long-term assets	125,801	129,819
Total assets	1,938,433	2,118,093
Current liabilities:
Accounts payable	140,806	200,617
Accrued liabilities	182,563	193,994
Deferred revenue	100,988	75,334
Total current liabilities	424,357	469,945
Long-term deferred revenue	26,302	29,715
Other long-term obligations	16,754	16,435
Convertible notes payable	1,442,449	1,442,705
Total liabilities	1,909,862	1,958,800
Commitments and contingencies
Stockholders' equity:
Preferred stock - par value $0.01; 20,000,000 shares authorized; zero shares issued and outstanding
Common stock - par value $0.01; 290,000,000 shares authorized; 94,060,300 and 96,883,868 shares issued and outstanding	969	941
Additional paid-in capital	5,743,211	5,702,137
Accumulated other comprehensive income	2,430	1,062
Accumulated deficit	(5,718,039)	(5,544,847)
Total stockholders' equity	28,571	159,293
Total liabilities and stockholders' equity	$ 1,938,433	$ 2,118,093