v2.4.0.6

SUPPLEMENTAL CASH FLOW INFORMATION (Details 2) (USD $) Share data in Millions, unless otherwise specified | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2010 | Mar. 31, 2010 | Jun. 30, 2009 | Jan. 31, 2009 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Mar. 10, 2010 | Jun. 05, 2009
SUPPLEMENTAL CASH FLOW INFORMATION |  |  |  |  |  |  |  |  |
Cash payment from Match to Meetic for newly formed venture |  | $ 3,000,000 |  |  |  |  |  |  |
Equity interest owned by each party, Match and Meetic, in newly formed venture (as a percent) |  |  |  |  |  |  |  | 50.00% |
Value of newly formed venture |  |  |  |  |  |  |  | 72,000,000 |
Percentage stake in Meetic received from sale of Match Europe |  |  |  |  |  |  |  |  | 27.00%
Number of shares in Meetic received from sale of Match Europe (in shares) |  |  | 6.1 |  |  |  |  |  |
Value of shares in Meetic received from sale of Match Europe |  |  | 154,800,000 |  |  |  |  |  |
Reduction in income tax liability in connection with the spin-off |  |  |  |  |  |  | (4,052,000) |  |
Value of promissory note received from sale of Match Europe |  |  | 6,200,000 |  |  |  |  |  |
Number of convertible preferred shares in Active received from sale of ReserveAmerica (in shares) |  |  |  | 3.5 |  |  |  |  |
Value of convertible preferred shares in Active received from sale of ReserveAmerica |  |  |  | 33,300,000 |  |  |  |  |
Equity method investments |  |  |  |  |  |  |  |  |
Dividend from equity method investee deemed to be a partial return of investment |  |  |  |  |  | 11,355,000 |  |  |
Cash payment component of tax-free exchange for substantially all of Liberty's stake in IAC | 217,900,000 |  |  |  |  | 217,921,000 |  |  |
Cash paid (received) during the period for: |  |  |  |  |  |  |  |  |
Interest |  |  |  |  | 5,128,000 | 5,113,000 | 5,682,000 |  |
Income tax payments |  |  |  |  | 42,094,000 | 19,311,000 | 8,397,000 |  |
Income tax refunds |  |  |  |  | (3,609,000) | (72,198,000) | (136,435,000) |  |
Meetic |  |  |  |  |  |  |  |  |
Equity method investments |  |  |  |  |  |  |  |  |
Dividend from equity method investee deemed to be a partial return of investment |  |  |  |  |  | $ 11,400,000 |  |  |

X
- Definition Adjustment to equity resulting from the spin-off of discontinued businesses to shareholders during the period. + References No definition available. + Details
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Namespace Prefix: | iaci_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Represents the equity interest percentage of each party in a joint venture. + References No definition available. + Details
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Namespace Prefix: | iaci_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition This item represents disclosure of the amount of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporation; these investments are accounted for under the equity method of accounting. This element includes distributions that constitute a return of investment. + References No definition available. + Details
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Balance Type: | debit
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- Definition Represents the amount of cash paid by the entity to the venture partner, in addition to contributing a business to the newly formed venture, for the entity's share of the venture. + References No definition available. + Details
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Namespace Prefix: | iaci_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Represents the value as of balance sheet date of the equity interest in the newly formed venture. + References No definition available. + Details
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- Definition Represents the number of shares of common stock of equity method investee received as non-cash consideration from sale of asset. + References No definition available. + Details
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Period Type: | duration

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- Definition Represents the number of shares of convertible preferred stock received as non-cash consideration from sale of asset. + References No definition available. + Details
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- Definition Represents the value of shares of common stock of equity method investee received as non-cash consideration from sale of asset. + References No definition available. + Details
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- Definition Represents the value of shares of convertible preferred stock received as non-cash consideration from sale of asset. + References No definition available. + Details
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Namespace Prefix: | iaci_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Represents the value of promissory note received as consideration from sale of asset. + References No definition available. + Details
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Namespace Prefix: | iaci_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The cash outflow during the period, as part of a tax-free exchange, to repurchase shares in the entity from a shareholder. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition In a business combination achieved in stages, this element represents the acquisition-date percentage of equity in the acquiree held by the acquirer immediately before the acquisition date. + References No definition available. + Details
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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3536-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 29 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 27 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 + Details
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- Definition The amount of cash paid for interest during the period net of cash paid for interest that is capitalized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 29 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 27 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 + Details
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- Definition The amount of cash received during the period as refunds for the overpayment of taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 29 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3536-108585 + Details
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