CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 1,477,265	$ 3,148,651
Restricted cash	806	843
Short-term investments	1,171,246	1,142,182
Accounts receivable, net of allowance for doubtful accounts of $15,014 and $14,212, respectively	645,169	643,894
Prepaid expenses and other current assets	258,751	178,050
Total current assets	3,553,237	5,113,620
Property and equipment, net	274,786	198,953
Intangible assets, net	2,167,533	2,334,761
Goodwill	3,375,000	3,326,474
Long-term investments	7,931,363	3,755,653
Other assets	118,656	41,516
Total assets	17,420,575	14,770,977
Current liabilities:
Accounts payable	322,842	281,480
Accrued expenses and other current liabilities	681,587	599,515
Deferred merchant bookings	434,881	460,558
Convertible debt	0	37,150
Total current liabilities	1,439,310	1,378,703
Deferred income taxes	892,576	897,848
Other long-term liabilities	134,777	103,533
Long-term debt	6,158,443	3,823,870
Total liabilities	$ 8,625,106	$ 6,203,954
Commitments and Contingencies (See Note 15)
Convertible debt	$ 0	$ 329
Stockholders' equity:
Common stock, $0.008 par value, authorized 1,000,000,000 shares, 62,039,516 and 61,821,097 shares issued, respectively	482	480
Treasury stock, 12,427,945 and 9,888,024, respectively	(5,826,640)	(2,737,585)
Additional paid-in capital	5,184,910	4,923,196
Accumulated earnings	9,191,865	6,640,505
Accumulated other comprehensive income (loss)	244,852	(259,902)
Total stockholders' equity	8,795,469	8,566,694
Total liabilities and stockholders' equity	$ 17,420,575	$ 14,770,977