Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 663,020	$ 131,303
Marketable securities	406,701	785,221
Accounts receivable, net of allowance of $0 at September 30, 2015 and December 31, 2014	87,214	89,611
Income tax receivable	5,016	3,304
Deferred tax assets	520	2,765
Restricted cash	210	48,047
Other current assets	31,475	22,688
Total current assets	1,194,156	1,082,939
Long-term marketable securities	4,515	231,385
Goodwill	667,195	650,778
Other intangible assets, net	72,497	66,861
Property and equipment, net	280,535	297,919
Restricted cash	1,000
Other long-term assets	17,886	18,911
Total assets	2,237,784	2,348,793
Current liabilities:
Accounts payable	27,507	14,965
Other current liabilities	59,541	164,150
Deferred revenue	132,510	189,923
Total current liabilities	219,558	369,038
Deferred revenue	198	3,882
Deferred tax liabilities	6,592	5,323
Other non-current liabilities	91,007	74,858
Total liabilities	317,355	453,101
Stockholders' equity:
Common stock, $0.00000625 par value, and additional paid in capital - authorized shares: 2,020,517 shares outstanding: 932,923 shares (Class A, 798,658, Class B, 113,748, Class C, 20,517) as of September 30, 2015 and 905,860 (Class A, 770,658, Class B, 114,685, Class C, 20,517) as of December 31, 2014	3,206,629	3,096,982
Accumulated other comprehensive income (loss)	(41,414)	(29,175)
Accumulated deficit	(1,244,786)	(1,172,115)
Total stockholders' equity	1,920,429	1,895,692
Total liabilities and stockholders' equity	$ 2,237,784	$ 2,348,793