UNAUDITED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 5,043,724	$ 1,289,994
Restricted cash	903	10,476
Short-term investments	1,193,353	5,462,720
Accounts receivable, net of allowance for doubtful accounts of $13,175 and $14,116, respectively	843,560	535,962
Prepaid expenses and other current assets	166,308	107,102
Deferred income taxes	56,017	74,687
Total current assets	7,303,865	7,480,941
Property and equipment, net	203,790	135,053
Intangible assets, net	2,175,214	1,019,985
Goodwill	3,483,144	1,767,912
Long-term investments	1,965,182	0
Deferred income taxes	4,714	7,055
Other assets	48,471	33,514
Total assets	15,184,380	10,444,460
Current liabilities:
Accounts payable	525,441	247,345
Accrued expenses and other current liabilities	609,071	545,342
Deferred merchant bookings	416,852	437,127
Convertible debt	37,781	151,931
Total current liabilities	1,589,145	1,381,745
Deferred income taxes	866,167	326,425
Other long-term liabilities	107,938	75,981
Long-term debt	3,887,243	1,742,047
Total liabilities	6,450,493	3,526,198
Convertible debt	776	8,533
Stockholders' equity:
Common stock, $0.008 par value; authorized 1,000,000,000 shares, 61,800,076 and 61,265,160 shares issued, respectively	480	476
Treasury stock, 9,444,868 and 9,256,721 shares, respectively	(2,232,663)	(1,987,207)
Additional paid-in capital	4,848,824	4,592,979
Accumulated earnings	6,188,674	4,218,752
Accumulated other comprehensive income (loss)	(72,204)	84,729
Total stockholders' equity	8,733,111	6,909,729
Total liabilities and stockholders' equity	$ 15,184,380	$ 10,444,460