Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Oct. 31, 2011
Current assets:
Cash and cash equivalents	$ 617,232	$ 541,896
Short-term investments	50,115	0
Accounts receivable, net	379,092	417,509
Inventories	245,043	230,076
Prepaid expenses and other	119,039	143,357
Total current assets	1,410,521	1,332,838
Long-term investments	0	50,264
Equipment, furniture and fixtures, net	118,568	122,558
Other intangible assets, net	275,670	331,635
Other long-term assets	110,502	114,123
Total assets	1,915,261	1,951,418
Current liabilities:
Accounts payable	205,662	157,116
Accrued liabilities	199,970	197,004
Deferred revenue	78,319	99,373
Convertible notes payable	216,210	0
Total current liabilities	700,161	453,493
Long-term deferred revenue	23,408	24,425
Other long-term obligations	26,052	17,263
Long-term convertible notes payable	1,225,898	1,442,364
Total liabilities	1,975,519	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 100,192,289 shares issued and outstanding	1,002	974
Additional paid-in capital	5,788,887	5,753,236
Accumulated other comprehensive income (loss)	(4,529)	31
Accumulated deficit	(5,845,618)	(5,740,368)
Total stockholders' equity (deficit)	(60,258)	13,873
Total liabilities and stockholders' equity (deficit)	$ 1,915,261	$ 1,951,418