Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jan. 31, 2012	Oct. 31, 2011
ASSETS
Cash and cash equivalents	$ 811,339	$ 855,077
Short-term investments	132,150	148,997
Total cash, cash equivalents and short-term investments	943,489	1,004,074
Accounts receivable, net of allowances of $2,685 and $2,489, respectively	213,763	203,124
Deferred income taxes	58,670	58,536
Income taxes receivable	22,369	25,545
Prepaid and other current assets	51,359	46,776
Total current assets	1,289,650	1,338,055
Property and equipment, net	157,219	159,517
Goodwill	1,295,485	1,289,286
Intangible assets, net	181,515	196,031
Long-term deferred income taxes	267,078	281,056
Other long-term assets	108,053	103,389
Total assets	3,299,000	3,367,334
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued liabilities	204,543	302,176
Accrued income taxes	6,630	3,079
Deferred revenue	652,655	703,555
Total current liabilities	863,828	1,008,810
Long-term accrued income taxes	82,203	92,940
Other long-term liabilities	111,031	108,076
Long-term deferred revenue	70,133	56,208
Total liabilities	1,127,195	1,266,034
Stockholders' equity:
Preferred Stock, $0.01 par value: 2,000 shares authorized; none outstanding
Common Stock, $0.01 par value: 400,000 shares authorized; 143,943 and 143,308 shares outstanding, respectively	1,439	1,433
Capital in excess of par value	1,540,528	1,521,327
Retained earnings	1,001,409	957,517
Treasury stock, at cost: 13,321 and 13,956 shares, respectively	(347,416)	(358,032)
Accumulated other comprehensive income (loss)	(24,155)	(20,945)
Total stockholders' equity	2,171,805	2,101,300
Total liabilities and stockholders' equity	$ 3,299,000	$ 3,367,334