UNAUDITED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 2,422,269	$ 1,477,265
Restricted cash	857	806
Short-term investments	1,956,047	1,171,246
Accounts receivable, net of allowance for doubtful accounts of $21,859 and $15,014, respectively	1,105,086	645,169
Prepaid expenses and other current assets	349,323	258,751
Total current assets	5,833,582	3,553,237
Property and equipment, net	339,805	274,786
Intangible assets, net	2,040,213	2,167,533
Goodwill	2,416,338	3,375,000
Long-term investments	9,296,417	7,931,363
Other assets	107,429	118,656
Total assets	20,033,784	17,420,575
Current liabilities:
Accounts payable	494,607	322,842
Accrued expenses and other current liabilities	882,081	681,587
Deferred merchant bookings	568,304	434,881
Convertible debt	960,984	0
Total current liabilities	2,905,976	1,439,310
Deferred income taxes	802,433	892,576
Other long-term liabilities	141,096	134,777
Long-term debt	6,347,205	6,158,443
Total liabilities	10,196,710	8,625,106
Convertible debt	34,504	0
Stockholders' equity:
Common stock, $0.008 par value; authorized 1,000,000,000 shares, 62,362,948 and 62,039,516 shares issued, respectively	484	482
Treasury stock, 13,009,773 and 12,427,945 shares, respectively	(6,584,117)	(5,826,640)
Additional paid-in capital	5,410,913	5,184,910
Retained earnings	10,652,944	9,191,865
Accumulated other comprehensive income	322,346	244,852
Total stockholders’ equity	9,802,570	8,795,469
Total liabilities and stockholders’ equity	$ 20,033,784	$ 17,420,575