Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Apr. 30, 2013	Oct. 31, 2012
Current assets:
Cash and cash equivalents	$ 356,498	$ 642,444
Short-term investments	99,973	50,057
Accounts receivable, net	421,014	345,496
Inventories	248,096	260,098
Prepaid expenses and other	138,577	117,595
Total current assets	1,264,158	1,415,690
Equipment, furniture and fixtures, net	117,553	123,580
Other intangible assets, net	221,476	257,137
Other long-term assets	90,157	84,736
Total assets	1,693,344	1,881,143
Current liabilities:
Accounts payable	198,820	179,704
Accrued liabilities	222,783	209,540
Deferred revenue	98,603	79,516
Convertible notes payable	0	216,210
Total current liabilities	520,206	684,970
Long-term deferred revenue	28,272	27,560
Other long-term obligations	32,989	31,779
Long-term convertible notes payable	1,209,814	1,225,806
Total liabilities	1,791,281	1,970,115
Commitments and contingencies
Stockholders’ equity (deficit):
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; 100,601,792 and 102,035,119 shares issued and outstanding	1,020	1,006
Additional paid-in capital	5,864,381	5,797,765
Accumulated other comprehensive loss	(4,546)	(3,354)
Accumulated deficit	(5,958,792)	(5,884,389)
Total stockholders’ equity (deficit)	(97,937)	(88,972)
Total liabilities and stockholders’ equity (deficit)	$ 1,693,344	$ 1,881,143