Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Apr. 30, 2012	Oct. 31, 2011
Current assets:
Cash and cash equivalents	$ 585,547	$ 541,896
Short-term investments	50,166	0
Accounts receivable, net	397,291	417,509
Inventories	242,724	230,076
Prepaid expenses and other	133,874	143,357
Total current assets	1,409,602	1,332,838
Long-term investments	0	50,264
Equipment, furniture and fixtures, net	115,773	122,558
Other intangible assets, net	293,769	331,635
Other long-term assets	109,496	114,123
Total assets	1,928,640	1,951,418
Current liabilities:
Accounts payable	174,176	157,116
Accrued liabilities	203,956	197,004
Deferred revenue	107,100	99,373
Total current liabilities	485,232	453,493
Long-term deferred revenue	22,734	24,425
Other long-term obligations	19,550	17,263
Convertible notes payable	1,442,193	1,442,364
Total liabilities	1,969,709	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 99,151,981 shares issued and outstanding	992	974
Additional paid-in capital	5,775,764	5,753,236
Accumulated other comprehensive income (loss)	(2,024)	31
Accumulated deficit	(5,815,801)	(5,740,368)
Total stockholders' equity (deficit)	(41,069)	13,873
Total liabilities and stockholders' equity (deficit)	$ 1,928,640	$ 1,951,418