UNAUDITED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 3,255,814	$ 3,148,651
Restricted cash	863	843
Short-term investments	1,379,641	1,142,182
Accounts receivable, net of allowance for doubtful accounts of $15,656 and $14,212, respectively	706,776	643,894
Prepaid expenses and other current assets	487,285	178,050
Deferred income taxes	137,102	153,754
Total current assets	5,967,481	5,267,374
Property and equipment, net	214,863	198,953
Intangible assets, net	2,282,347	2,334,761
Goodwill	3,327,784	3,326,474
Long-term investments	4,973,644	3,755,653
Other assets	76,373	57,348
Total assets	16,842,492	14,940,563
Current liabilities:
Accounts payable	567,322	281,480
Accrued expenses and other current liabilities	610,764	600,758
Deferred merchant bookings	525,148	460,558
Convertible debt	0	37,195
Total current liabilities	1,703,234	1,379,991
Deferred income taxes	1,072,038	1,040,260
Other long-term liabilities	132,987	103,533
Long-term debt	5,304,108	3,849,756
Total liabilities	8,212,367	6,373,540
Convertible debt	0	329
Stockholders' equity:
Common stock, $0.008 par value; authorized 1,000,000,000 shares, 61,974,020 and 61,821,097 shares issued, respectively	481	480
Treasury stock, 10,139,421 and 9,888,024 shares, respectively	(3,046,203)	(2,737,585)
Additional paid-in capital	4,926,560	4,923,196
Accumulated earnings	6,973,832	6,640,505
Accumulated other comprehensive loss	(224,545)	(259,902)
Total stockholders' equity	8,630,125	8,566,694
Total liabilities and stockholders' equity	$ 16,842,492	$ 14,940,563