Consolidated Balance Sheets - USD ($) $ in Thousands	Oct. 31, 2017	Oct. 31, 2016
Current assets:
Cash and cash equivalents	$ 640,513	$ 777,615
Short-term investments	279,133	275,248
Accounts receivable, net	622,183	576,235
Inventories, net	267,143	211,251
Prepaid expenses and other	197,339	172,843
Total current assets	2,006,311	2,013,192
Long-term investments	49,783	90,172
Equipment, building, furniture and fixtures, net	308,465	288,406
Goodwill	267,458	266,974
Other intangible assets, net	100,997	146,711
Deferred tax asset, net	1,155,104	1,116
Other long-term assets	63,593	67,004
Total assets	3,951,711	2,873,575
Current liabilities:
Accounts payable	260,098	235,942
Accrued liabilities and other short-term obligations	322,934	310,353
Deferred revenue	102,418	109,009
Current portion of long-term debt	352,293	236,241
Total current liabilities	1,037,743	891,545
Long-term deferred revenue	82,589	73,854
Other long-term obligations	111,349	124,394
Long-term debt, net	583,688	1,017,441
Total liabilities	1,815,369	2,107,234
Commitments and contingencies (Note 24)
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; 143,043,227 and 139,767,627 shares issued and outstanding	1,430	1,398
Additional paid-in capital	6,810,182	6,715,478
Accumulated other comprehensive loss	(11,017)	(24,329)
Accumulated deficit	(4,664,253)	(5,926,206)
Total stockholders’ equity	2,136,342	766,341
Total liabilities and stockholders’ equity	$ 3,951,711	$ 2,873,575