Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Feb. 28, 2013	Nov. 30, 2012
Assets
Cash and cash equivalents	$ 279,217	$ 301,792
Short-term investments	42,158	53,425
Total cash, cash equivalents and short-term investments	321,375	355,217
Accounts receivable (less allowances of $3,048 in 2013 and $3,024 in 2012)	64,026	70,793
Other current assets	26,788	16,478
Deferred tax assets	20,652	16,301
Assets held for sale	0	68,029
Total current assets	432,841	526,818
Property and equipment, net	61,528	63,071
Intangible assets, net	4,574	5,119
Goodwill	226,104	226,110
Deferred tax assets	23,566	26,565
Investments in auction rate securities	26,442	26,321
Other assets	5,319	10,973
Total assets	780,374	884,977
Liabilities and shareholders’ equity
Accounts payable	8,879	10,477
Accrued compensation and related taxes	20,193	39,105
Income taxes payable	1,067	21,486
Other accrued liabilities	35,433	39,876
Short-term deferred revenue	115,564	103,925
Liabilities held for sale	0	25,285
Total current liabilities	181,136	240,154
Long-term deferred revenue	1,284	2,817
Deferred tax liabilities	535	1,032
Other noncurrent liabilities	1,603	2,575
Commitments and contingencies
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, 56,488,339 shares in 2013 and 59,594,961 shares in 2012	264,810	300,333
Retained earnings, including accumulated other comprehensive loss of $11,127 in 2013 and $10,764 in 2012	331,006	338,066
Total shareholders’ equity	595,816	638,399
Total liabilities and shareholders’ equity	$ 780,374	$ 884,977