Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012
Current assets:
Cash and cash equivalents	$ 346,487	$ 642,444
Short-term investments	124,979	50,057
Accounts receivable, net	488,578	345,496
Inventories	249,103	260,098
Prepaid expenses and other	186,655	117,595
Total current assets	1,395,802	1,415,690
Long-term investments	15,031	0
Equipment, furniture and fixtures, net	119,729	123,580
Other intangible assets, net	185,828	257,137
Other long-term assets	86,380	84,736
Total assets	1,802,770	1,881,143
Current liabilities:
Accounts payable	254,849	179,704
Accrued liabilities	271,656	209,540
Deferred revenue	88,550	79,516
Convertible notes payable	0	216,210
Total current liabilities	615,055	684,970
Long-term deferred revenue	23,620	27,560
Other long-term obligations	34,753	31,779
Long-term convertible notes payable	1,212,019	1,225,806
Total liabilities	1,885,447	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 103,705,709 shares issued and outstanding	1,037	1,006
Additional paid-in capital	5,893,880	5,797,765
Accumulated other comprehensive loss	(7,774)	(3,354)
Accumulated deficit	(5,969,820)	(5,884,389)
Total stockholders’ equity (deficit)	(82,677)	(88,972)
Total liabilities and stockholders’ equity (deficit)	$ 1,802,770	$ 1,881,143