CONSOLIDATED BALANCE SHEET (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 673,757	$ 749,977
Marketable securities	5,814	20,604
Accounts receivable, net of allowance of $8,908 and $11,088, respectively	235,181	229,830
Other current assets	140,930	156,339
Total current assets	1,055,682	1,156,750
Property and equipment, net	293,282	270,512
Goodwill	1,674,220	1,616,154
Intangible assets, net	478,784	482,904
Long-term investments	157,750	161,278
Other non-current assets	120,528	118,230
TOTAL ASSETS	3,780,246	3,805,828
LIABILITIES:
Current maturities of long-term debt	0	15,844
Accounts payable, trade	78,168	98,314
Deferred revenue	169,480	155,499
Accrued expenses and other current liabilities	343,791	355,232
Total current liabilities	591,439	624,889
Long-term debt, net of current maturities	580,000	580,000
Income taxes payable	481,908	479,945
Deferred income taxes	314,750	323,403
Other long-term liabilities	66,405	31,830
Redeemable noncontrolling interests	59,254	58,126
Commitments and contingencies
SHAREHOLDERS' EQUITY:
Additional paid-in capital	11,606,585	11,607,367
Accumulated deficit	(264,882)	(318,519)
Accumulated other comprehensive loss	(44,096)	(32,169)
Treasury stock 183,460,119 and 182,878,295 shares, respectively	(9,661,355)	(9,601,218)
Total IAC shareholders' equity	1,636,519	1,655,728
Noncontrolling interests	49,971	51,907
Total shareholders' equity	1,686,490	1,707,635
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	3,780,246	3,805,828
Common Stock
SHAREHOLDERS' EQUITY:
Common stock	251	251
Class B Convertible Common Stock
SHAREHOLDERS' EQUITY:
Common stock	$ 16	$ 16