Condensed Consolidated Balance Sheets (USD $) In Thousands	Apr. 30, 2011	Oct. 31, 2010
ASSETS
Cash and cash equivalents	$ 694,032	$ 775,407
Short-term investments	146,431	163,154
Total cash, cash equivalents and short-term investments	840,463	938,561
Accounts receivable, net of allowances of $2,974 and $2,727, respectively	210,068	181,102
Deferred income taxes	72,930	73,465
Income taxes receivable	28,696	18,425
Prepaid and other current assets	54,465	36,202
Total current assets	1,206,622	1,247,755
Property and equipment, net	150,370	148,580
Goodwill	1,256,485	1,265,843
Intangible assets, net	220,610	249,656
Long-term deferred income taxes	262,173	268,759
Other long-term assets	113,209	105,948
Total assets	3,209,469	3,286,541
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued liabilities	226,784	312,850
Accrued income taxes	2,476	8,349
Deferred revenue	578,576	600,569
Total current liabilities	807,836	921,768
Long-term accrued income taxes	95,706	128,603
Other long-term liabilities	111,598	101,885
Long-term deferred revenue	46,931	34,103
Total liabilities	1,062,071	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; 146,485 and 148,479 shares outstanding, respectively	1,465	1,485
Capital in excess of par value	1,539,833	1,541,383
Retained earnings	883,487	770,674
Treasury stock, at cost: 10,779 and 8,786 shares, respectively	(278,016)	(197,586)
Accumulated other comprehensive income (loss)	629	(15,774)
Total stockholders' equity	2,147,398	2,100,182
Total liabilities and stockholders' equity	$ 3,209,469	$ 3,286,541