Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Aug. 31, 2012	Nov. 30, 2011
Assets
Cash and cash equivalents	$ 294,398	$ 161,095
Short-term investments	57,809	100,321
Total cash, cash equivalents and short-term investments	352,207	261,416
Accounts receivable (less allowances of $3,375 in 2012 and $6,683 in 2011)	75,849	110,927
Other current assets	26,863	22,110
Deferred tax assets	10,105	13,458
Assets held for sale	6,731	0
Total current assets	471,755	407,911
Property and equipment, net	64,479	66,206
Intangible assets, net	47,676	64,408
Goodwill	252,735	256,211
Deferred tax assets	32,808	30,361
Investments in auction rate securities	31,285	33,539
Other assets	5,588	5,627
Total assets	906,326	864,263
Liabilities and shareholders' equity
Current portion of long-term debt	0	357
Accounts payable	4,827	7,039
Accrued compensation and related taxes	35,967	31,245
Income taxes payable	4,171	6,048
Other accrued liabilities	37,630	35,728
Short-term deferred revenue	129,606	145,727
Liabilities held for sale	5,265	0
Total current liabilities	217,466	226,144
Long-term deferred revenue	5,343	6,619
Deferred tax liabilities	1,499	1,533
Other noncurrent liabilities	2,574	4,857
Commitments and contingencies (Note 9)
Shareholders' equity:
Preferred stock, $0.01 par value; authorized, 1,000,000 shares; issued, none	0	0
Common stock, $0.01 par value, and additional paid-in capital; authorized, 200,000,000 shares; issued and outstanding, 63,595,485 shares in 2012 and 61,788,629 shares in 2011	352,773	309,221
Retained earnings, including accumulated other comprehensive loss of $12,292 in 2012 and $11,653 in 2011	326,671	315,889
Total shareholders' equity	679,444	625,110
Total liabilities and shareholders' equity	$ 906,326	$ 864,263