Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
CURRENT ASSETS:
Cash and cash equivalents	$ 719,807	$ 546,237
Marketable securities	2,591,709	2,573,145
Accounts receivable (net of allowance for doubtful accounts of $21,703 and $17,970 at June 30, 2016 and December 31, 2015, respectively)	560,440	603,060
Deferred commissions	78,353	87,706
Prepaid expenses	76,478	62,992
Other current assets	78,046	61,949
Total current assets	4,104,833	3,935,089
Property and equipment, net	1,228,402	1,047,005
Goodwill	1,597,423	1,507,093
Intangible assets, net	295,942	373,087
Other assets	84,840	148,925
TOTAL ASSETS	7,311,440	7,011,199
CURRENT LIABILITIES:
Accounts payable	147,934	162,176
Accrued liabilities	253,778	316,792
Deferred revenue	785,680	709,116
Total current liabilities	1,187,392	1,188,084
CONVERTIBLE SENIOR NOTES, NET	1,150,132	1,126,534
OTHER LONG-TERM LIABILITIES	228,434	201,128
Total liabilities	2,565,958	2,515,746
COMMITMENTS AND CONTINGENCIES
REDEEMABLE NONCONTROLLING INTEREST	27,846	26,810
STOCKHOLDERS’ EQUITY:
Class A and Class B common stock	13	13
Additional paid-in capital	4,989,710	4,588,578
Accumulated other comprehensive income	22,077	9,124
Accumulated deficit	(294,164)	(129,072)
Total stockholders’ equity	4,717,636	4,468,643
TOTAL LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST, AND STOCKHOLDERS’ EQUITY	$ 7,311,440	$ 7,011,199