Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Current assets:
Cash and cash equivalents	$ 642,444	$ 541,896
Short-term investments	50,057	0
Accounts receivable, net	345,496	417,509
Inventories	260,098	230,076
Prepaid expenses and other	117,595	143,357
Total current assets	1,415,690	1,332,838
Long-term investments	0	50,264
Equipment, furniture and fixtures, net	123,580	122,558
Intangible assets, net	257,137	331,635
Other long-term assets	84,736	114,123
Total assets	1,881,143	1,951,418
Current liabilities:
Accounts payable	179,704	157,116
Accrued liabilities	209,540	197,004
Deferred revenue	79,516	99,373
Convertible notes payable	216,210	0
Total current liabilities	684,970	453,493
Long-term deferred revenue	27,560	24,425
Other long-term obligations	31,779	17,263
Long term convertible notes payable	1,225,806	1,442,364
Total liabilities	1,970,115	1,937,545
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; 97,440,436 and 100,601,792 shares issued and outstanding	1,006	974
Additional paid-in capital	5,797,765	5,753,236
Accumulated other comprehensive income (loss)	(3,354)	31
Accumulated deficit	(5,884,389)	(5,740,368)
Total stockholders’ equity (deficit)	(88,972)	13,873
Total liabilities and stockholders’ equity (deficit)	$ 1,881,143	$ 1,951,418