Condensed Consolidated Balance Sheets (USD $) In Thousands	Jul. 31, 2011	Oct. 31, 2010
ASSETS
Cash and cash equivalents	$ 889,886	$ 775,407
Short-term investments	148,395	163,154
Total cash, cash equivalents and short-term investments	1,038,281	938,561
Accounts receivable, net of allowances of $3,060 and $2,727, respectively	175,386	181,102
Deferred income taxes	73,604	73,465
Income taxes receivable	21,477	18,425
Prepaid and other current assets	53,548	36,202
Total current assets	1,362,296	1,247,755
Property and equipment, net	159,059	148,580
Goodwill	1,258,286	1,265,843
Intangible assets, net	203,739	249,656
Long-term deferred income taxes	278,203	268,759
Other long-term assets	107,055	105,948
Total assets	3,368,638	3,286,541
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued liabilities	284,463	312,850
Accrued income taxes	3,091	8,349
Deferred revenue	694,536	600,569
Total current liabilities	982,090	921,768
Long-term accrued income taxes	98,049	128,603
Other long-term liabilities	107,849	101,885
Long-term deferred revenue	59,143	34,103
Total liabilities	1,247,131	1,186,359
Stockholders' equity:
Preferred Stock, $0.01 par value: 2,000 shares authorized; none outstanding
Common Stock, $0.01 par value: 400,000 shares authorized; 143,666 and 148,479 shares outstanding, respectively	1,437	1,485
Capital in excess of par value	1,542,225	1,541,383
Retained earnings	931,281	770,674
Treasury stock, at cost: 13,599 and 8,786 shares, respectively	(351,896)	(197,586)
Accumulated other comprehensive loss	(1,540)	(15,774)
Total stockholders' equity	2,121,507	2,100,182
Total liabilities and stockholders' equity	$ 3,368,638	$ 3,286,541