Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jan. 31, 2012	Oct. 31, 2011
Current assets:
Cash and cash equivalents	$ 550,461	$ 541,896
Short-term investments	50,239	0
Accounts receivable, net	399,457	417,509
Inventories	248,651	230,076
Prepaid expenses and other	126,556	143,357
Total current assets	1,375,364	1,332,838
Long-term investments	0	50,264
Equipment, furniture and fixtures, net	118,105	122,558
Other intangible assets, net	312,220	331,635
Other long-term assets	112,567	114,123
Total assets	1,918,256	1,951,418
Current liabilities:
Accounts payable	176,747	157,116
Accrued liabilities	200,114	197,004
Deferred revenue	79,880	99,373
Total current liabilities	456,741	453,493
Long-term deferred revenue	21,284	24,425
Other long-term obligations	19,056	17,263
Convertible notes payable	1,442,279	1,442,364
Total liabilities	1,939,360	1,937,545
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 98,650,874 shares issued and outstanding	987	974
Additional paid-in capital	5,767,781	5,753,236
Accumulated other comprehensive income (loss)	(1,851)	31
Accumulated deficit	(5,788,021)	(5,740,368)
Total stockholders' equity (deficit)	(21,104)	13,873
Total liabilities and stockholders' equity (deficit)	$ 1,918,256	$ 1,951,418