Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Apr. 30, 2012	Oct. 31, 2011
ASSETS
Cash and cash equivalents	$ 796,594	$ 855,077
Short-term investments		148,997
Total cash, cash equivalents and short-term investments	796,594	1,004,074
Accounts receivable, net of allowances of $3,116 and $2,489, respectively	236,314	203,124
Deferred income taxes	61,144	58,536
Income taxes receivable and prepaid taxes	28,858	25,545
Prepaid and other current assets	50,631	46,776
Total current assets	1,173,541	1,338,055
Property and equipment, net	157,792	159,517
Goodwill	1,630,415	1,289,286
Intangible assets, net	364,113	196,031
Long-term prepaid taxes	24,541	1,510
Long-term deferred income taxes	280,259	281,056
Other long-term assets	113,821	103,389
Total assets	3,744,482	3,368,844
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued liabilities	258,820	302,176
Accrued income taxes	8,329	4,589
Deferred revenue	676,068	703,555
Short-term debt	130,000
Total current liabilities	1,073,217	1,010,320
Long-term accrued income taxes	78,029	92,940
Long-term deferred revenue	59,819	56,208
Long-term debt	120,000
Other long-term liabilities	123,441	108,076
Total liabilities	1,454,506	1,267,544
Stockholders' equity:
Preferred Stock, $0.01 par value: 2,000 shares authorized; none outstanding
Common Stock, $0.01 par value: 400,000 shares authorized; 146,950 and 143,308 shares outstanding, respectively	1,470	1,433
Capital in excess of par value	1,574,056	1,521,327
Retained earnings	1,009,475	957,517
Treasury stock, at cost: 10,315 and 13,956 shares, respectively	(272,383)	(358,032)
Accumulated other comprehensive income (loss)	(22,642)	(20,945)
Total stockholders' equity	2,289,976	2,101,300
Total liabilities and stockholders' equity	$ 3,744,482	$ 3,368,844