Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	May 31, 2011	Nov. 30, 2010
Current assets:
Cash and equivalents	$ 310,442	$ 286,559
Short-term investments	78,536	35,837
Total cash and short-term investments	388,978	322,396
Accounts receivable (less allowances of $5,052 in 2011 and $4,980 in 2010)	91,738	119,273
Other current assets	23,384	27,910
Deferred income taxes	14,657	14,279
Total current assets	518,757	483,858
Property and equipment, net	63,023	58,207
Acquired intangible assets, net	71,254	83,208
Goodwill	238,591	238,343
Deferred income taxes	28,699	29,214
Long-term investments and other	39,905	43,993
Total Assets	960,229	936,823
Current liabilities:
Current portion, long-term debt	404	388
Accounts payable	7,586	13,176
Accrued compensation and related taxes	29,759	44,920
Income taxes payable	6,472	4,083
Other accrued liabilities	36,987	36,148
Short-term deferred revenue	149,888	138,961
Total current liabilities	231,096	237,676
Long-term debt, less current portion	73	276
Long-term deferred revenue	5,222	2,908
Deferred income taxes	2,480	2,378
Other non-current liabilities	4,435	5,253
Commitments and contingencies (Note 12)
Shareholders' equity:
Common stock and additional paid-in capital; authorized, 200,000 shares; issued and outstanding, 66,793 shares in 2011 and 66,528 shares in 2010	366,204	347,604
Retained earnings, including accumulated other comprehensive losses of $(3,143) in 2011 and $(9,138) in 2010	350,719	340,728
Total shareholders' equity	716,923	688,332
Total liabilities and shareholder's equity	$ 960,229	$ 936,823