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INCOME TAXES (Schedule Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Current assets: |  |
Doubtful accounts | $ 1,632 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts | $ 1,791 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts
Inventory related items | 35,660 us-gaap_DeferredTaxAssetsInventory | 34,968 us-gaap_DeferredTaxAssetsInventory
Tax credits | 3,052 us-gaap_DeferredTaxAssetsTaxCreditCarryforwards | 3,883 us-gaap_DeferredTaxAssetsTaxCreditCarryforwards
Accrued vacation | 2,667 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences | 2,492 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences
Accrued bonus | 5,085 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses | 1,266 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses
Net operating loss carryforwards | 2,454 iart_DeferredTaxAssetOperatingLossCarryforwardCurrent | 4,550 iart_DeferredTaxAssetOperatingLossCarryforwardCurrent
Other | 1,302 iart_DeferredTaxAssetsOtherCurrent | 1,960 iart_DeferredTaxAssetsOtherCurrent
Total current deferred tax assets | 51,852 us-gaap_DeferredTaxAssetsGrossCurrent | 50,910 us-gaap_DeferredTaxAssetsGrossCurrent
Less valuation allowance | (681)us-gaap_DeferredTaxAssetsValuationAllowanceCurrent | (2,232)us-gaap_DeferredTaxAssetsValuationAllowanceCurrent
Current deferred tax assets after valuation allowance | 51,171 iart_NetDeferredTaxAssetsCurrentAfterValuationAllowance | 48,678 iart_NetDeferredTaxAssetsCurrentAfterValuationAllowance
Current liabilities: |  |
Other | (597)iart_DeferredTaxLiabilitiesOtherCurrent | (646)iart_DeferredTaxLiabilitiesOtherCurrent
Total current deferred tax liabilities | (597)us-gaap_DeferredTaxLiabilitiesCurrent | (646)us-gaap_DeferredTaxLiabilitiesCurrent
Net current deferred tax assets | 50,574 us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent | 48,032 us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent
Non-current assets: |  |
Stock compensation | 15,349 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost | 14,879 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
Deferred revenue | 3 us-gaap_DeferredTaxAssetsDeferredIncome | 186 us-gaap_DeferredTaxAssetsDeferredIncome
Net operating loss carryforwards | 21,368 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | 26,613 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Federal & state tax credits | 14,531 us-gaap_TaxCreditCarryforwardDeferredTaxAsset | 19,045 us-gaap_TaxCreditCarryforwardDeferredTaxAsset
Other | 581 iart_DeferredTaxAssetsOtherNoncurrent | 897 iart_DeferredTaxAssetsOtherNoncurrent
Total non-current deferred tax assets | 51,832 us-gaap_DeferredTaxAssetsGrossNoncurrent | 61,620 us-gaap_DeferredTaxAssetsGrossNoncurrent
Less valuation allowance | (6,579)us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent | (6,828)us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent
Non-current deferred tax assets after valuation allowance | 45,253 iart_NetDeferredTaxAssetsNoncurrentAfterValuationAllowance | 54,792 iart_NetDeferredTaxAssetsNoncurrentAfterValuationAllowance
Non-current liabilities: |  |
Intangible & fixed assets | (123,257)iart_DeferredTaxLiabilitesGoodwillAndIntangibleAssetsIntangibleAndFixedAssets | (41,563)iart_DeferredTaxLiabilitesGoodwillAndIntangibleAssetsIntangibleAndFixedAssets
Other | (52)iart_DeferredTaxLiabilitiesOtherNoncurrent | 105 iart_DeferredTaxLiabilitiesOtherNoncurrent
Total non-current deferred tax liabilities | (123,309)iart_DeferredTaxLiabilitiesNetNoncurrent | (41,458)iart_DeferredTaxLiabilitiesNetNoncurrent
Net non-current deferred tax assets (liabilities) | (78,056)us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent | 13,334 us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent
Total net deferred tax assets (liabilities) | $ (27,482)us-gaap_DeferredTaxAssetsLiabilitiesNet | $ 61,366 us-gaap_DeferredTaxAssetsLiabilitiesNet

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