CONSOLIDATED BALANCE SHEET (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
ASSETS
Cash and cash equivalents	$ 1,670,984	$ 1,630,809
Marketable securities	208,555	4,995
Accounts receivable, net of allowance of $19,835 and $11,489, respectively	347,158	304,027
Other current assets	246,197	185,374
Total current assets	2,472,894	2,125,205
Property and equipment, net of accumulated depreciation and amortization of $283,129 and $271,811, respectively	308,465	315,170
Goodwill	2,572,221	2,559,066
Intangible assets, net of accumulated amortization of $129,842 and $74,957, respectively	624,102	663,737
Long-term investments	217,615	64,977
Deferred income taxes	84,817	66,321
Other non-current assets	92,233	73,334
TOTAL ASSETS	6,372,347	5,867,810
LIABILITIES:
Current portion of long-term debt	13,750	13,750
Accounts payable, trade	76,193	76,571
Deferred revenue	381,397	342,483
Accrued expenses and other current liabilities	422,165	366,924
Total current liabilities	893,505	799,728
Long-term debt, net	1,983,993	1,979,469
Income taxes payable	25,241	25,624
Deferred income taxes	34,861	35,070
Other long-term liabilities	36,625	38,229
Redeemable noncontrolling interests	69,530	42,867
Commitments and contingencies
SHAREHOLDERS' EQUITY:
Additional paid-in capital	11,955,629	12,165,002
Retained earnings	1,067,042	595,038
Accumulated other comprehensive loss	(112,855)	(103,568)
Treasury stock 194,708 and 194,163 shares, respectively	(10,309,612)	(10,226,721)
Total IAC shareholders' equity	2,600,482	2,430,028
Noncontrolling interests	728,110	516,795
Total shareholders' equity	3,328,592	2,946,823
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	6,372,347	5,867,810
Common stock $.001 par value; authorized 1,600,000 shares; issued 262,040 and 260,624 shares, respectively, and outstanding 77,701 and 76,829 shares, respectively
SHAREHOLDERS' EQUITY:
Common stock	262	261
Class B convertible common stock $.001 par value; authorized 400,000 shares; issued 16,157 shares and outstanding 5,789 shares
SHAREHOLDERS' EQUITY:
Common stock	$ 16	$ 16

Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableTradeCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682