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INCOME TAXES (Details 2) (USD $)
In Millions, unless otherwise specified |
12 Months Ended |
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Dec. 31, 2014
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| Net operating loss carryforwards and tax credits | |
| Tax benefits related to NOLs | $ 0.8iaci_IncomeTaxExpenseBenefitRelatedToOperatingLossCarryforwards |
| Tax credit carryforwards | 19.0us-gaap_TaxCreditCarryforwardAmount |
| Tax credit carryforwards that can be carried forward indefinitely | 10.0iaci_TaxCreditCarryforwardsNotSubjectToExpiration |
| Tax credit carryforwards expiring within ten years | 9.0iaci_TaxCreditCarryforwardAmountExpiringWithinTenYears |
| Federal | |
| Net operating loss carryforwards and tax credits | |
| Loss carryforwards | 61.5us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
| State | |
| Net operating loss carryforwards and tax credits | |
| Loss carryforwards | 82.6us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
| Capital loss carryforwards | 5.1iaci_CapitalLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
| Tax credit carryforwards | 5.6us-gaap_TaxCreditCarryforwardAmount / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
| State | Research | |
| Net operating loss carryforwards and tax credits | |
| Tax credit carryforwards | 8.2us-gaap_TaxCreditCarryforwardAmount / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember / us-gaap_TaxCreditCarryforwardAxis = us-gaap_ResearchMember |
| Foreign | |
| Net operating loss carryforwards and tax credits | |
| Loss carryforwards | 107.5us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
| Net operating losses carryforwards that can be carried forward indefinitely | 98.1iaci_OperatingLossCarryforwardsNotSubjectToExpiration / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
| Net operating losses carryforwards expiring within twenty years | 9.3iaci_OperatingLossCarryforwardsSubjectToExpirationWithinTwentyYears / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
| Tax credit carryforwards | $ 5.2us-gaap_TaxCreditCarryforwardAmount / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
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- Definition
Represents the sum of domestic, foreign and state and local capital loss carryforwards. No definition available.
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- Definition
Represents the amount of income tax expense or benefit related to operating loss carryforwards. No definition available.
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- Definition
The amount of the operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws that can be carried forward indefinitely. No definition available.
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- Definition
The amount of the operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws which will expire within twenty years. No definition available.
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- Definition
The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws that will expire within ten years. No definition available.
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- Definition
The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws that can be carried forward indefinitely. No definition available.
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- Definition
Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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