Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Oct. 31, 2011	Oct. 31, 2010
ASSETS
Cash and cash equivalents	$ 855,077	$ 775,407
Short-term investments	148,997	163,154
Total cash, cash equivalents and short-term investments	1,004,074	938,561
Accounts receivable, net of allowances of $2,489 and $2,727, respectively	203,124	181,102
Deferred income taxes	58,536	73,465
Income taxes receivable	25,545	18,425
Prepaid and other current assets	46,776	36,202
Total current assets	1,338,055	1,247,755
Property and equipment, net	159,517	148,580
Goodwill	1,289,286	1,265,843
Intangible assets, net	196,031	249,656
Long-term deferred income taxes	281,056	268,759
Other long-term assets	103,389	105,948
Total assets	3,367,334	3,286,541
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued liabilities	302,176	312,850
Accrued income taxes	3,079	8,349
Deferred revenue	703,555	600,569
Total current liabilities	1,008,810	921,768
Long term accrued income taxes	92,940	128,603
Other long-term liabilities	108,076	101,885
Long-term deferred revenue	56,208	34,103
Total liabilities	1,266,034	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; 143,308 and 148,479 shares outstanding, respectively	1,433	1,485
Capital in excess of par value	1,521,327	1,541,383
Retained earnings	957,517	770,674
Treasury stock, at cost: 13,956 and 8,786 shares, respectively	(358,032)	(197,586)
Accumulated other comprehensive income (loss)	(20,945)	(15,774)
Total stockholders' equity	2,101,300	2,100,182
Total liabilities and stockholders' equity	$ 3,367,334	$ 3,286,541