Condensed Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 204,094	$ 356,533
Short-term investments	43,504	90,284	[1]
Accounts receivable, net of allowances of $6,619 and $5,367 at June 30, 2011 and December 31, 2010, respectively	143,221	179,621
Prepaid expenses and other current assets	36,607	48,312
Deferred income taxes	7,061	6,677
Total current assets	434,487	681,427
Property and equipment, net	81,185	70,854
Long-term investments	33,553	45,466	[1]
Intangible assets, net	107,014	62,785
Goodwill	746,719	706,224
Deferred income taxes	54,536	46,985
Other assets	54,165	21,843
Total assets	1,511,659	1,635,584
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	10,628	5,512
Accrued compensation	55,367	55,185
Other accrued expenses	42,646	32,600
Loans payable	576	521
Deferred revenue	338,003	324,121
Total current liabilities	447,220	417,939
Long-term liabilities:
Deferred revenue	104,316	100,264
Income taxes payable	42,106	41,385
Loans payable	32,460	32,730
Other long-term liabilities	15,689	11,000
Total long-term liabilities	194,571	185,379
Total liabilities	641,791	603,318
Commitments and contingencies (Note 17)
Stockholders' equity:
Preferred stock, $0.001 par value, 10,000 shares authorized; no shares issued or outstanding
Common stock, $0.001 par value, 200,000 shares authorized; 85,752 and 92,893 shares issued and outstanding at June 30, 2011 and December 31, 2010, respectively	86	93
Additional paid-in-capital	557,317	729,640
Retained earnings	311,655	301,697
Accumulated other comprehensive income	810	836
Total stockholders' equity	869,868	1,032,266
Total liabilities and stockholders' equity	$ 1,511,659	$ 1,635,584

[1] See Note 16 - Fair Value Measurements for details regarding fair value measurements.