Consolidated Balance Sheets - USD ($) $ in Thousands	Oct. 31, 2016	Oct. 31, 2015
Current assets:
Cash and cash equivalents	$ 777,615	$ 790,971
Short-term investments	275,248	135,107
Accounts receivable, net	576,235	550,792
Inventories	211,251	191,162
Prepaid expenses and other	172,843	196,178
Total current assets	2,013,192	1,864,210
Long-term investments	90,172	95,105
Equipment, building, furniture and fixtures, net	288,406	191,973
Goodwill	266,974	256,434
Other intangible assets, net	146,711	202,673
Other long-term assets	76,987	84,656
Total assets	2,882,442	2,695,051
Current liabilities:
Accounts payable	235,942	222,140
Accrued liabilities and other short-term obligations	310,353	316,283
Deferred revenue	109,009	126,111
Current portion of long-term debt	236,558	2,500
Total current liabilities	891,862	667,034
Long-term deferred revenue	73,854	62,962
Other long-term obligations	124,394	72,540
Long-term debt, net	1,025,991	1,271,639
Total liabilities	2,116,101	2,074,175
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; 139,767,627 and 135,612,217 shares issued and outstanding	1,398	1,356
Additional paid-in capital	6,715,478	6,640,436
Accumulated other comprehensive loss	(24,329)	(22,126)
Accumulated deficit	(5,926,206)	(5,998,790)
Total stockholders’ equity	766,341	620,876
Total liabilities and stockholders’ equity	$ 2,882,442	$ 2,695,051