CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities attributable to continuing operations:
(Loss) earnings from continuing operations	$ (182,608)	$ 79,748
Adjustments to reconcile (loss) earnings from continuing operations to net cash provided by operating activities attributable to continuing operations:
Stock-based compensation expense	58,949	44,860
Depreciation	33,370	31,068
Amortization of intangibles	50,795	26,966
Goodwill impairment	275,367	0
Excess tax benefits from stock-based awards	(21,871)	(36,465)
Deferred income taxes	(90,902)	7,260
Equity in losses of unconsolidated affiliates	414	477
Acquisition-related contingent consideration fair value adjustments	10,470	(16,946)
Gains on sale of businesses and investments, net	(13,137)	(144)
Other adjustments, net	20,869	9,013
Changes in assets and liabilities, net of effects of acquisitions and dispositions:
Accounts receivable	47,855	2,710
Other assets	(20,053)	(6,458)
Accounts payable and other current liabilities	(88,150)	(33,413)
Income taxes payable	(48,028)	(63,304)
Deferred revenue	32,589	40,407
Net cash provided by operating activities attributable to continuing operations	65,929	85,779
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	(2,524)	(43,286)
Capital expenditures	(35,133)	(26,816)
Purchase of time deposits	(87,500)	0
Proceeds from maturities of time deposits	87,500	0
Proceeds from maturities and sales of marketable debt securities	32,500	14,613
Purchases of marketable debt securities	(79,366)	(93,134)
Purchases of investments	(5,056)	(12,840)
Net proceeds from the sale of businesses and investments	103,735	6,203
Other, net	4,815	2,396
Net cash provided by (used in) investing activities attributable to continuing operations	18,971	(152,864)
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	(214,635)	(200,000)
Proceeds from Match Group 2016 Senior Notes offering	400,000	0
Principal payments on Match Group Term Loan	(410,000)	0
Debt issuance costs	(4,621)	0
Repurchase of Senior Notes	(61,110)	0
Dividends	0	(56,729)
Issuance of IAC common stock pursuant to stock-based awards, net of withholding taxes	(13,097)	(20,656)
Issuance of Match Group common stock pursuant to stock-based awards, net of withholding taxes	2,176	0
Excess tax benefits from stock-based awards	21,871	36,465
Purchase of noncontrolling interests	(2,411)	(15,338)
Acquisition-related contingent consideration payments	(2,150)	(5,705)
Increase in restricted cash related to bond redemptions	(30,002)	0
Other, net	(488)	430
Net cash used in financing activities attributable to continuing operations	(314,467)	(261,533)
Total cash used in continuing operations	(229,567)	(328,618)
Total cash used in discontinued operations	0	(243)
Effect of exchange rate changes on cash and cash equivalents	(5,896)	(5,135)
Net decrease in cash and cash equivalents	(235,463)	(333,996)
Cash and cash equivalents at beginning of period	1,481,447	990,405
Cash and cash equivalents at end of period	$ 1,245,984	$ 656,409