Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
CURRENT ASSETS:
Cash and cash equivalents	$ 697,113	$ 546,237
Marketable securities	2,667,883	2,573,145
Accounts receivable (net of allowance for doubtful accounts of $18,783 and $17,970 at September 30, 2016 and December 31, 2015, respectively)	541,325	603,060
Deferred commissions	72,290	87,706
Prepaid expenses	79,104	62,992
Other current assets	45,298	61,949
Total current assets	4,103,013	3,935,089
Property and equipment, net	1,508,480	1,047,005
Goodwill	1,609,492	1,507,093
Intangible assets, net	262,986	373,087
Other assets	72,441	148,925
TOTAL ASSETS	7,556,412	7,011,199
CURRENT LIABILITIES:
Accounts payable	189,073	162,176
Accrued liabilities	321,507	316,792
Deferred revenue	749,491	709,116
Total current liabilities	1,260,071	1,188,084
CONVERTIBLE SENIOR NOTES, NET	1,162,141	1,126,534
OTHER LONG-TERM LIABILITIES	231,981	201,128
Total liabilities	2,654,193	2,515,746
COMMITMENTS AND CONTINGENCIES
REDEEMABLE NONCONTROLLING INTEREST	28,400	26,810
STOCKHOLDERS’ EQUITY:
Class A and Class B common stock	14	13
Additional paid-in capital	5,141,257	4,588,578
Accumulated other comprehensive income	18,153	9,124
Accumulated deficit	(285,605)	(129,072)
Total stockholders’ equity	4,873,819	4,468,643
TOTAL LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST, AND STOCKHOLDERS’ EQUITY	$ 7,556,412	$ 7,011,199