CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Current assets:    
Cash and cash equivalents $ 257,236 $ 368,531
Short-term investments 241,478 353,130
Accounts receivable, net of allowances of $3,549 and $3,465, respectively 164,219 235,705
Deferred tax assets 44,538 46,867
Prepaid expenses and other current assets 32,720 25,447
Total current assets 740,191 1,029,680
Property and equipment, net 155,699 159,708
Goodwill 542,725 551,196
Other intangible assets, net 39,265 43,161
Long-term deferred tax assets 32,677 32,032
Other assets 17,247 13,809
Total assets 1,527,804 1,829,586
Current liabilities:    
Accounts payable 13,022 12,009
Accrued liabilities 56,340 60,404
Accrued compensation and related expenses 46,628 88,336
Income taxes payable 2,694 6,895
Deferred revenues 328,007 324,296
Total current liabilities 446,691 491,940
Long-term deferred revenues 17,392 14,679
Long-term income taxes payable 28,347 30,350
Other liabilities 3,577 3,666
Total liabilities 496,007 540,635
Commitments and contingencies (Note 11)      
Stockholders' equity:    
Common stock, $0.001 par value; 200,000 shares authorized; 104,212 shares and 108,704 shares issued and outstanding at March 31, 2015 and December 31, 2014, respectively 104 109
Additional paid-in capital 510,919 773,419
Accumulated other comprehensive loss (47,994) (31,789)
Retained earnings 568,768 547,212
Total stockholders’ equity 1,031,797 1,288,951
Total liabilities and stockholders' equity $ 1,527,804 $ 1,829,586