v2.4.1.9
COMMITMENTS (Details 2) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Amount of Commitment Expiration Per Period  
Less Than 1 Year $ 11,986iaci_CommercialCommitmentsExpiringWithinOneYear
1-3 Years 521iaci_CommercialCommitmentsExpiringWithinSecondAndThirdYear
3-5 Years 73iaci_CommercialCommitmentsExpiringWithinThirdandFifthYear
More Than 5 Years 1,437iaci_CommercialCommitmentsExpiringinOverFiveYears
Total Amounts Committed 14,017iaci_CommercialCommitmentsExpiring
Purchase obligations  
Amount of Commitment Expiration Per Period  
Less Than 1 Year 10,710iaci_CommercialCommitmentsExpiringWithinOneYear
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_PurchaseCommitmentMember
1-3 Years 521iaci_CommercialCommitmentsExpiringWithinSecondAndThirdYear
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_PurchaseCommitmentMember
3-5 Years 0iaci_CommercialCommitmentsExpiringWithinThirdandFifthYear
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_PurchaseCommitmentMember
More Than 5 Years 0iaci_CommercialCommitmentsExpiringinOverFiveYears
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_PurchaseCommitmentMember
Total Amounts Committed 11,231iaci_CommercialCommitmentsExpiring
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_PurchaseCommitmentMember
Letters of credit and surety bonds  
Amount of Commitment Expiration Per Period  
Less Than 1 Year 1,276iaci_CommercialCommitmentsExpiringWithinOneYear
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_LetterOfCreditMember
1-3 Years 0iaci_CommercialCommitmentsExpiringWithinSecondAndThirdYear
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_LetterOfCreditMember
3-5 Years 73iaci_CommercialCommitmentsExpiringWithinThirdandFifthYear
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_LetterOfCreditMember
More Than 5 Years 1,437iaci_CommercialCommitmentsExpiringinOverFiveYears
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_LetterOfCreditMember
Total Amounts Committed $ 2,786iaci_CommercialCommitmentsExpiring
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_LetterOfCreditMember