Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	3 Months Ended	12 Months Ended
	Apr. 30, 2011	Oct. 31, 2010
Current assets:
Cash and cash equivalents	$ 506,840	$ 688,687
Accounts receivable, net	391,330	343,582
Inventories	285,696	261,619
Prepaid expenses and other	139,536	147,680
Total current assets	1,323,402	1,441,568
Long-term investments	50,098
Equipment, furniture and fixtures, net	126,399	120,294
Other intangible assets, net	369,775	426,412
Other long-term assets	135,210	129,819
Total assets	2,004,884	2,118,093
Current liabilities:
Accounts payable	178,747	200,617
Accrued liabilities	190,618	193,994
Deferred revenue	99,187	75,334
Total current liabilities	468,552	469,945
Long-term deferred revenue	24,861	29,715
Other long-term obligations	19,232	16,435
Convertible notes payable	1,442,534	1,442,705
Total liabilities	1,955,179	1,958,800
Commitments and contingencies
Stockholders' equity:
Preferred stock - par value $0.01; 20,000,000 shares authorized; zero shares issued and outstanding	0	0
Common stock - par value $0.01; 290,000,000 shares authorized; 94,060,300 and 95,659,218 shares issued and outstanding	957	941
Additional paid-in capital	5,728,532	5,702,137
Accumulated other comprehensive income	6,805	1,062
Accumulated deficit	(5,686,589)	(5,544,847)
Total stockholders' equity	49,705	159,293
Total liabilities and stockholders' equity	$ 2,004,884	$ 2,118,093