CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 36,331	$ 81,948
Short-term marketable securities	20,615	70,075
Accounts receivable, net	56,668	49,960
Deferred taxes, current	16,436	16,358
Prepaid expenses and other	20,134	17,864
Total current assets	150,184	236,205
Property and equipment, net	41,647	41,524
Goodwill	206,415	145,580
Other intangibles, net	53,143	19,772
Long-term marketable securities	1,966
Deferred taxes, long-term	34,559	33,591
Other assets	11,640	12,059
Noncurrent assets of discontinued operation	2,028	2,095
Total assets	501,582	490,826
Current liabilities:
Accounts payable	10,085	6,737
Accrued liabilities	32,295	34,080
Deferred revenues	154,722	147,896
Income taxes payable	6,333	1,691
Current liabilities of discontinued operation	1,773	165
Total current liabilities	205,208	190,569
Deferred revenue, long-term	7,551	6,337
Other long-term liabilities	15,851	14,844
Noncurrent liabilities of discontinued operation	4,734	5,228
Total liabilities	233,344	216,978
Commitments and contingencies (See Note 14)
Stockholders' equity:
Common stock	507	520
Additional paid-in capital	419,428	411,600
Accumulated deficit	(160,650)	(146,887)
Accumulated other comprehensive income	8,953	8,615
Total stockholders' equity	268,238	273,848
Total liabilities and stockholders' equity	$ 501,582	$ 490,826