CONSOLIDATED BALANCE SHEET (USD $) In Thousands, unless otherwise specified	Sep. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 679,311	$ 742,099
Marketable securities	185,681	563,997
Accounts receivable, net of allowance of $8,954 and $8,848, respectively	154,401	119,581
Other current assets	104,748	118,308
Total current assets	1,124,141	1,543,985
Property and equipment, net	260,003	267,928
Goodwill	1,337,889	989,493
Intangible assets, net	398,040	245,044
Long-term investments	177,627	200,721
Other non-current assets	81,133	81,908
TOTAL ASSETS	3,378,833	3,329,079
LIABILITIES:
Accounts payable, trade	59,029	56,375
Deferred revenue	104,844	78,175
Accrued expenses and other current liabilities	329,405	222,323
Total current liabilities	493,278	356,873
Long-term debt	95,844	95,844
Income taxes payable	467,878	475,685
Deferred income taxes	264,909	270,501
Other long-term liabilities	17,832	20,239
Redeemable noncontrolling interests	19,095	59,869
Commitments and contingencies
SHAREHOLDERS' EQUITY:
Additional paid-in capital	11,207,897	11,047,884
Accumulated deficit	(526,551)	(652,018)
Accumulated other comprehensive income	12,137	17,546
Treasury stock 164,525,325 and 153,663,130 shares, respectively	(8,768,096)	(8,363,586)
Total IAC shareholders' equity	1,925,633	2,050,068
Noncontrolling interests	94,364
Total shareholders' equity	2,019,997	2,050,068
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	3,378,833	3,329,079
Common stock
SHAREHOLDERS' EQUITY:
Common stock	230	226
Class B convertible common stock
SHAREHOLDERS' EQUITY:
Common stock	$ 16	$ 16