CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (Unaudited) - 6 months ended Jun. 30, 2015 - USD ($) shares in Thousands, $ in Thousands	Total	IAC	Common Stock Common Stock $.001 Par Value	Common Stock Class B Convertible Common Stock $.001 Par Value	Additional Paid-in Capital	(Accumulated Deficit) Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Noncontrolling Interests
Beginning balance at Dec. 31, 2014	$ 1,993,142	$ 1,991,953	$ 252	$ 16	$ 11,415,617	$ 325,118	$ (87,700)	$ (9,661,350)	$ 1,189
Beginning balance, common stock (in shares) at Dec. 31, 2014			252,170	16,157
Increase (Decrease) in Shareholders' Equity
Net (loss) earnings for the six months ended June 30, 2015	85,710	85,710				85,710
Other comprehensive loss, net of tax	(42,595)	(42,595)					(42,595)
Stock-based compensation expense	38,189	38,189			38,189
Issuance of common stock upon exercise of stock options, vesting of restricted stock units and other, net of withholding taxes	(20,666)	(20,666)	$ 2		(20,668)
Issuance of common stock upon exercise of stock options, vesting of restricted stock units and other, net of withholding taxes, shares			1,471
Income tax benefit related to the exercise of stock options, vesting of restricted stock units and other	24,636	24,636			24,636
Dividends	(56,729)	(56,729)			0	(56,729)
Purchase of treasury stock	(200,000)	(200,000)						(200,000)
Adjustment of redeemable noncontrolling interests to fair value	(5,320)	(5,320)			(5,320)
Transfer from noncontrolling interests to redeemable noncontrolling interests	(1,189)								(1,189)
Other	208	208			208
Ending balance at Jun. 30, 2015	1,815,386	$ 1,815,386	$ 254	$ 16	$ 11,452,662	$ 354,099	$ (130,295)	$ (9,861,350)	$ 0
Ending balance, common stock (in shares) at Jun. 30, 2015			253,641	16,157
Beginning balance at Dec. 31, 2014	40,427
Increase (Decrease) in Redeemable Noncontrolling Interests
Net (loss) earnings	(5,990)
Other comprehensive loss, net of tax	(1,157)
Stock-based compensation expense	3,509
Purchase of redeemable noncontrolling interests	(15,338)
Adjustment of redeemable noncontrolling interests to fair value	5,320
Transfer from noncontrolling interests to redeemable noncontrolling interests	1,189
Other	217
Ending balance at Jun. 30, 2015	$ 28,177