Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Oct. 31, 2011	Oct. 31, 2010
Current assets:
Cash and cash equivalents	$ 541,896	$ 688,687
Accounts receivable, net	417,509	343,582
Inventories	230,076	261,619
Prepaid expenses and other	143,357	147,680
Total current assets	1,332,838	1,441,568
Long-term investments	50,264	0
Equipment, furniture and fixtures, net	122,558	120,294
Intangible assets, net	331,635	426,412
Other long-term assets	114,123	129,819
Total assets	1,951,418	2,118,093
Current liabilities:
Accounts payable	157,116	200,617
Accrued liabilities	197,004	193,994
Deferred revenue	99,373	75,334
Total current liabilities	453,493	469,945
Long-term deferred revenue	24,425	29,715
Other long-term obligations	17,263	16,435
Convertible notes payable	1,442,364	1,442,705
Total liabilities	1,937,545	1,958,800
Commitments and contingencies
Stockholders' equity:
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; 94,060,300 and 97,440,436 shares issued and outstanding	974	941
Additional paid-in capital	5,753,236	5,702,137
Accumulated other comprehensive income	31	1,062
Accumulated deficit	(5,740,368)	(5,544,847)
Total stockholders' equity	13,873	159,293
Total liabilities and stockholders' equity	$ 1,951,418	$ 2,118,093