XML 72 R57.htm IDEA: XBRL DOCUMENT
v3.19.2

LEASES AND RELATED PARTY LEASES - Narrative (Details) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2019 USD ($) renewal_option | Jun. 30, 2018 USD ($) | Dec. 31, 2018 USD ($)
Operating Leased Assets [Line Items] |  |  |
Number of renewal options (or more) | renewal_option | 1 |  |
Operating lease expense | $ 9,000,000.0 | $ 6,500,000 |
Right of use asset - operating leases | 97,783,000 |  |
Operating lease liability | 107,645,000 |  |
Total payments over lease term, new operating lease | 156,026,000 |  |
Operating lease expense, Topic 840 |  |  | $ 16,300,000
Future minimum lease payments, capital leases |  |  | $ 0
NEW JERSEY |  |  |
Operating Leased Assets [Line Items] |  |  |
Operating lease, term |  |  | 18 years
Right of use asset - operating leases | 35,600,000 |  |
Operating lease liability | 35,600,000 |  |
Related Parties |  |  |
Operating Leased Assets [Line Items] |  |  |
Operating lease expense | 100,000 | $ 100,000 |
Total payments over lease term, new operating lease | $ 3,056,000 |  |
Operating lease expense, Topic 840 |  |  | $ 300,000
Percent of manufacturing facility owned by corporation whose shareholders are trusts whose beneficiaries include family members of company's former director | 50.00% |  |
Annual rate of lease agreement | $ 300,000 |  |
Related Parties | Five Year Option Lease From November 1, 2032 Through October 31, 2037 |  |  |
Operating Leased Assets [Line Items] |  |  |
Option to extend lease, years | 5 years |  |
Period for extended lease | November 1, 2032 through October 31, 2037 |  |
Related Parties | Five Year Option Lease From November 1, 2037 Through October 31, 2042 |  |  |
Operating Leased Assets [Line Items] |  |  |
Option to extend lease, years | 5 years |  |
Period for extended lease | November 1, 2037 through October 31, 2042 |  |

X
- Definition Annual rate of lease agreement. + References No definition available. + Details
Name: | iart_AnnualRateOfLeaseAgreement
Namespace Prefix: | iart_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Lessee, Operating Lease, Number Of Renewal Options + References No definition available. + Details
Name: | iart_LesseeOperatingLeaseNumberOfRenewalOptions
Namespace Prefix: | iart_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Option to extend lease, years. + References No definition available. + Details
Name: | iart_OptionToExtendLeaseYears
Namespace Prefix: | iart_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percent Of Manufacturing Facility Owned By Corporation Whose Shareholders Are Trusts, Whose Beneficiaries Include Family Members Of Company's Former Director + References No definition available. + Details
Name: | iart_PercentOfManufacturingFacilityOwnedByCorporationWhoseShareholdersAreTrustsWhoseBeneficiariesIncludeFamilyMembersOfCompanysFormerDirector
Namespace Prefix: | iart_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of minimum lease payments for capital leases. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 + Details
Name: | us-gaap_CapitalLeasesFutureMinimumPaymentsDue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Description of terms and conditions of option to extend lessee's operating lease. Includes, but is not limited to, information about option recognized as part of right-of-use asset and lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseOptionToExtend
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977 + Details
Name: | us-gaap_OperatingLeaseExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_OperatingLeasedAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717 + Details
Name: | us-gaap_OperatingLeasesRentExpenseNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_NJ
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=iart_RelatedPartiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis=iart_FiveYearOptionLeaseFromNovember12032ThroughOctober312037Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis=iart_FiveYearOptionLeaseFromNovember12037ThroughOctober312042Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |