v2.4.1.9

GOODWILL AND INTANGIBLE ASSETS (Details3) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
Intangible assets with definite lives |  |
Gross Carrying Amount | $ 185,639 us-gaap_FiniteLivedIntangibleAssetsGross | $ 152,317 us-gaap_FiniteLivedIntangibleAssetsGross
Accumulated Amortization | (98,937)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization | (83,310)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Total | 86,702 us-gaap_FiniteLivedIntangibleAssetsNet | 69,007 us-gaap_FiniteLivedIntangibleAssetsNet
Weighted-Average Useful Life (Years) | 3 years 4 months 24 days | 3 years 2 months 12 days
Future amortization expense of intangible assets with definite-lives |  |
2015 | 44,262 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths |
2016 | 24,099 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo |
2017 | 13,441 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree |
2018 | 4,547 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour |
2019 | 353 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive |
Total | 86,702 us-gaap_FiniteLivedIntangibleAssetsNet | 69,007 us-gaap_FiniteLivedIntangibleAssetsNet
Content |  |
Intangible assets with definite lives |  |
Gross Carrying Amount | 62,602 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_MediaContentMember | 47,800 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_MediaContentMember
Accumulated Amortization | (36,988)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_MediaContentMember | (22,373)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_MediaContentMember
Total | 25,614 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_MediaContentMember | 25,427 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_MediaContentMember
Weighted-Average Useful Life (Years) | 4 years 1 month 6 days | 4 years
Future amortization expense of intangible assets with definite-lives |  |
Total | 25,614 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_MediaContentMember | 25,427 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_MediaContentMember
Technology |  |
Intangible assets with definite lives |  |
Gross Carrying Amount | 54,981 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TechnologyBasedIntangibleAssetsMember | 41,694 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TechnologyBasedIntangibleAssetsMember
Accumulated Amortization | (20,988)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TechnologyBasedIntangibleAssetsMember | (25,324)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TechnologyBasedIntangibleAssetsMember
Total | 33,993 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TechnologyBasedIntangibleAssetsMember | 16,370 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TechnologyBasedIntangibleAssetsMember
Weighted-Average Useful Life (Years) | 3 years 2 months 12 days | 2 years 10 months 24 days
Future amortization expense of intangible assets with definite-lives |  |
Total | 33,993 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TechnologyBasedIntangibleAssetsMember | 16,370 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TechnologyBasedIntangibleAssetsMember
Trade names |  |
Intangible assets with definite lives |  |
Gross Carrying Amount | 30,110 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember | 29,283 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember
Accumulated Amortization | (21,681)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember | (16,427)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember
Total | 8,429 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember | 12,856 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember
Weighted-Average Useful Life (Years) | 2 years 7 months 6 days | 3 years
Future amortization expense of intangible assets with definite-lives |  |
Total | 8,429 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember | 12,856 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember
Customer lists |  |
Intangible assets with definite lives |  |
Gross Carrying Amount | 24,566 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerListsMember | 22,584 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerListsMember
Accumulated Amortization | (14,050)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerListsMember | (13,116)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerListsMember
Total | 10,516 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerListsMember | 9,468 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerListsMember
Weighted-Average Useful Life (Years) | 2 years 7 months 6 days | 2 years 6 months
Future amortization expense of intangible assets with definite-lives |  |
Total | 10,516 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerListsMember | 9,468 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerListsMember
Advertiser and supplier relationships |  |
Intangible assets with definite lives |  |
Gross Carrying Amount | 13,380 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iaci_AdvertiserAndSupplierRelationshipsMember | 10,956 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iaci_AdvertiserAndSupplierRelationshipsMember
Accumulated Amortization | (5,230)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iaci_AdvertiserAndSupplierRelationshipsMember | (6,070)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iaci_AdvertiserAndSupplierRelationshipsMember
Total | 8,150 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iaci_AdvertiserAndSupplierRelationshipsMember | 4,886 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iaci_AdvertiserAndSupplierRelationshipsMember
Weighted-Average Useful Life (Years) | 4 years | 2 years 10 months 24 days
Future amortization expense of intangible assets with definite-lives |  |
Total | $ 8,150 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iaci_AdvertiserAndSupplierRelationshipsMember | $ 4,886 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iaci_AdvertiserAndSupplierRelationshipsMember

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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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