Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jul. 31, 2013	Oct. 31, 2012
Current assets:
Cash and cash equivalents	$ 378,179	$ 642,444
Short-term investments	99,981	50,057
Accounts receivable, net	430,424	345,496
Inventories	235,530	260,098
Prepaid expenses and other	160,363	117,595
Total current assets	1,304,477	1,415,690
Long-term investments	15,022	0
Equipment, furniture and fixtures, net	114,041	123,580
Other intangible assets, net	203,652	257,137
Other long-term assets	90,163	84,736
Total assets	1,727,355	1,881,143
Current liabilities:
Accounts payable	208,707	179,704
Accrued liabilities	240,140	209,540
Deferred revenue	92,277	79,516
Convertible notes payable	0	216,210
Total current liabilities	541,124	684,970
Long-term deferred revenue	25,213	27,560
Other long-term obligations	33,279	31,779
Long-term convertible notes payable	1,210,907	1,225,806
Total liabilities	1,810,523	1,970,115
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; 100,601,792 and 103,121,807 shares issued and outstanding	1,031	1,006
Additional paid-in capital	5,882,360	5,797,765
Accumulated other comprehensive loss	(6,536)	(3,354)
Accumulated deficit	(5,960,023)	(5,884,389)
Total stockholders’ equity (deficit)	(83,168)	(88,972)
Total liabilities and stockholders’ equity (deficit)	$ 1,727,355	$ 1,881,143