UNAUDITED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 1,888,949	$ 3,148,651
Restricted cash	1,052	843
Short-term investments	1,299,127	1,142,182
Accounts receivable, net of allowance for doubtful accounts of $22,186 and $14,212, respectively	889,868	643,894
Prepaid expenses and other current assets	508,410	178,050
Deferred income taxes	106,065	153,754
Total current assets	4,693,471	5,267,374
Property and equipment, net	246,102	198,953
Intangible assets, net	2,246,629	2,334,761
Goodwill	3,366,396	3,326,474
Long-term investments	6,395,468	3,755,653
Other assets	79,280	57,348
Total assets	17,027,346	14,940,563
Current liabilities:
Accounts payable	367,221	281,480
Accrued expenses and other current liabilities	903,641	600,758
Deferred merchant bookings	660,272	460,558
Convertible debt	0	37,195
Total current liabilities	1,931,134	1,379,991
Deferred income taxes	991,882	1,040,260
Other long-term liabilities	146,399	103,533
Long-term debt	5,399,966	3,849,756
Total liabilities	8,469,381	6,373,540
Convertible debt	0	329
Stockholders' equity:
Common stock, $0.008 par value; authorized 1,000,000,000 shares, 61,995,793 and 61,821,097 shares issued, respectively	482	480
Treasury stock, 10,863,246 and 9,888,024 shares, respectively	(3,900,011)	(2,737,585)
Additional paid-in capital	5,009,753	4,923,196
Accumulated earnings	7,490,864	6,640,505
Accumulated other comprehensive loss	(43,123)	(259,902)
Total stockholders' equity	8,557,965	8,566,694
Total liabilities and stockholders' equity	$ 17,027,346	$ 14,940,563