v2.4.1.9

GOODWILL AND INTANGIBLE ASSETS (Details2) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Balance of goodwill by reporting unit, including the changes in the carrying value of goodwill |  |  |
Balance at the beginning of the period | $ 1,675,323,000 us-gaap_Goodwill | $ 1,616,154,000 us-gaap_Goodwill |
Additions | 165,095,000 us-gaap_GoodwillAcquiredDuringPeriod | 67,781,000 us-gaap_GoodwillAcquiredDuringPeriod |
(Deductions) | (35,441,000)iaci_GoodwillDeductionsDuringPeriod | (14,014,000)iaci_GoodwillDeductionsDuringPeriod |
Foreign Exchange Translation | (50,051,000)us-gaap_GoodwillTranslationAdjustments | 5,402,000 us-gaap_GoodwillTranslationAdjustments |
Balance at the end of the period | 1,754,926,000 us-gaap_Goodwill | 1,675,323,000 us-gaap_Goodwill |
Search & Applications |  |  |
Balance of goodwill by reporting unit, including the changes in the carrying value of goodwill |  |  |
Balance at the beginning of the period | 738,062,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_SearchAndApplicationsMember | 723,650,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_SearchAndApplicationsMember |
Additions | 71,616,000 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_SearchAndApplicationsMember |  |
(Deductions) | (33,510,000)iaci_GoodwillDeductionsDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_SearchAndApplicationsMember | (160,000)iaci_GoodwillDeductionsDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_SearchAndApplicationsMember |
Goodwill Transfers During Period |  | 14,572,000 iaci_GoodwillTransfersBetweenReportingUnitsDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_SearchAndApplicationsMember |
Foreign Exchange Translation | (1,346,000)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = iaci_SearchAndApplicationsMember |  |
Balance at the end of the period | 774,822,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_SearchAndApplicationsMember | 738,062,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_SearchAndApplicationsMember |
Goodwill accumulated impairment losses | 916,900,000 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = iaci_SearchAndApplicationsMember | 916,900,000 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = iaci_SearchAndApplicationsMember | 916,900,000 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = iaci_SearchAndApplicationsMember
The Match Group |  |  |
Balance of goodwill by reporting unit, including the changes in the carrying value of goodwill |  |  |
Balance at the beginning of the period | 775,403,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_TheMatchGroupMember | 718,736,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_TheMatchGroupMember |
Additions | 72,833,000 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_TheMatchGroupMember | 62,464,000 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_TheMatchGroupMember |
(Deductions) | (1,931,000)iaci_GoodwillDeductionsDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_TheMatchGroupMember | (10,675,000)iaci_GoodwillDeductionsDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_TheMatchGroupMember |
Foreign Exchange Translation | (47,508,000)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = iaci_TheMatchGroupMember | 4,878,000 us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = iaci_TheMatchGroupMember |
Balance at the end of the period | 798,797,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_TheMatchGroupMember | 775,403,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_TheMatchGroupMember |
Media - Connected Ventures |  |  |
Balance of goodwill by reporting unit, including the changes in the carrying value of goodwill |  |  |
Balance at the beginning of the period | 8,267,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_ConnectedVenturesMember | 8,267,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_ConnectedVenturesMember |
Additions | 0 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_ConnectedVenturesMember | 0 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_ConnectedVenturesMember |
(Deductions) | 0 iaci_GoodwillDeductionsDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_ConnectedVenturesMember | 0 iaci_GoodwillDeductionsDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_ConnectedVenturesMember |
Goodwill Transfers During Period |  | 0 iaci_GoodwillTransfersBetweenReportingUnitsDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_ConnectedVenturesMember |
Foreign Exchange Translation | 0 us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = iaci_ConnectedVenturesMember | 0 us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = iaci_ConnectedVenturesMember |
Balance at the end of the period | 8,267,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_ConnectedVenturesMember | 8,267,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_ConnectedVenturesMember |
Goodwill accumulated impairment losses | 11,600,000 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = iaci_ConnectedVenturesMember | 11,600,000 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = iaci_ConnectedVenturesMember | 11,600,000 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = iaci_ConnectedVenturesMember
Total eCommerce |  |  |
Balance of goodwill by reporting unit, including the changes in the carrying value of goodwill |  |  |
Balance at the beginning of the period | 153,591,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_ECommerceMember | 165,501,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_ECommerceMember |
Additions | 20,646,000 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_ECommerceMember | 5,317,000 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_ECommerceMember |
(Deductions) |  | (3,179,000)iaci_GoodwillDeductionsDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_ECommerceMember |
Goodwill Transfers During Period |  | 14,572,000 iaci_GoodwillTransfersBetweenReportingUnitsDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_ECommerceMember |
Foreign Exchange Translation | (1,197,000)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = iaci_ECommerceMember | 524,000 us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = iaci_ECommerceMember |
Balance at the end of the period | 173,040,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_ECommerceMember | 153,591,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_ECommerceMember |
HomeAdvisor |  |  |
Balance of goodwill by reporting unit, including the changes in the carrying value of goodwill |  |  |
Balance at the beginning of the period | 131,872,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_HomeAdvisorMember | 111,658,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_HomeAdvisorMember |
Additions | 20,646,000 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_HomeAdvisorMember | 5,317,000 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_HomeAdvisorMember |
Goodwill Transfers During Period |  | 14,373,000 iaci_GoodwillTransfersBetweenReportingUnitsDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_HomeAdvisorMember |
Foreign Exchange Translation | (1,197,000)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = iaci_HomeAdvisorMember | 524,000 us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = iaci_HomeAdvisorMember |
Balance at the end of the period | 151,321,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_HomeAdvisorMember | 131,872,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_HomeAdvisorMember |
CityGrid |  |  |
Balance of goodwill by reporting unit, including the changes in the carrying value of goodwill |  |  |
Balance at the beginning of the period |  | 32,124,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_CityGridMember |
(Deductions) |  | (3,179,000)iaci_GoodwillDeductionsDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_CityGridMember |
Goodwill Transfers During Period |  | (28,945,000)iaci_GoodwillTransfersBetweenReportingUnitsDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_CityGridMember |
ShoeBuy |  |  |
Balance of goodwill by reporting unit, including the changes in the carrying value of goodwill |  |  |
Balance at the beginning of the period | 21,719,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_ShoeBuyMember | 21,719,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_ShoeBuyMember |
Additions | 0 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_ShoeBuyMember | 0 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_ShoeBuyMember |
(Deductions) | 0 iaci_GoodwillDeductionsDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_ShoeBuyMember | 0 iaci_GoodwillDeductionsDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_ShoeBuyMember |
Goodwill Transfers During Period |  | 0 iaci_GoodwillTransfersBetweenReportingUnitsDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = iaci_ShoeBuyMember |
Foreign Exchange Translation | 0 us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = iaci_ShoeBuyMember | 0 us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = iaci_ShoeBuyMember |
Balance at the end of the period | 21,719,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_ShoeBuyMember | 21,719,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = iaci_ShoeBuyMember |
Goodwill accumulated impairment losses | $ 28,000,000 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = iaci_ShoeBuyMember | $ 28,000,000 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = iaci_ShoeBuyMember | $ 28,000,000 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = iaci_ShoeBuyMember

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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