XML 59 R48.htm IDEA: XBRL DOCUMENT
v3.10.0.1

DEBT - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2018 | Sep. 30, 2018 | May 03, 2018 | Dec. 31, 2017 | Oct. 31, 2017
Debt Instrument [Line Items] |  |  |  |  |
Maximum borrowing capacity |  |  | $ 2,200,000,000.0 |  |
Previously capitalized financing costs, written-off | $ 800,000 |  |  |  |
Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Maximum borrowing capacity |  |  | 1,300,000,000 |  |
Line of credit facility outstanding |  | $ 545,000,000 |  | $ 655,000,000 |
Weighted average interest rate on debt |  | 3.80% |  | 3.70% |
Revolving Credit Facility | Fair Value, Inputs, Level 2 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, fair value of amount outstanding |  | $ 524,100,000 |  |  |
Standby Letters of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Maximum borrowing capacity |  |  | 60,000,000 |  |
Swingline Loans |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Maximum borrowing capacity |  |  | 60,000,000 |  |
Term Loan Facility | Secured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Maximum borrowing capacity |  |  | $ 900,000,000 |  |
Term Loan Facility | Secured Debt | Fair Value, Inputs, Level 2 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, fair value of amount outstanding |  | 875,400,000 |  |  |
Senior Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Incremental financing costs capitalized | $ 4,200,000 |  |  | $ 500,000 |
Available borrowings under senior secured revolving credit facility |  | $ 754,400,000 |  |  |
Senior Credit Facility | Federal Funds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rates available to the Company at its option |  | 0.50% |  |  |
Senior Credit Facility | One Month Eurodollar Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rates available to the Company at its option |  | 1.00% |  |  |
Senior Credit Facility | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit, commitment fee percentage |  | 0.15% |  |  |
Senior Credit Facility | Minimum | Eurodollar |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rates available to the Company at its option |  | 1.00% |  |  |
Senior Credit Facility | Minimum | Federal Funds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rates available to the Company at its option |  | 0.00% |  |  |
Senior Credit Facility | Minimum | Prime Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rates available to the Company at its option |  | 0.00% |  |  |
Senior Credit Facility | Minimum | One Month Eurodollar Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rates available to the Company at its option |  | 0.00% |  |  |
Senior Credit Facility | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit, commitment fee percentage |  | 0.30% |  |  |
Senior Credit Facility | Maximum | Eurodollar |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rates available to the Company at its option |  | 1.75% |  |  |
Senior Credit Facility | Maximum | Federal Funds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rates available to the Company at its option |  | 0.75% |  |  |
Senior Credit Facility | Maximum | Prime Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rates available to the Company at its option |  | 0.75% |  |  |
Senior Credit Facility | Maximum | One Month Eurodollar Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rates available to the Company at its option |  | 0.75% |  |  |
Senior Credit Facility | Standby Letters of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility outstanding |  | $ 0 |  |  |
Letters of credit outstanding |  | 600,000 |  | 600,000 |
Term Loan A-1 | Secured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Incremental financing costs capitalized |  |  |  |  | $ 19,100,000
Term Loan A | Secured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility outstanding |  | $ 900,000,000 |  | $ 1,200,000,000 |
Weighted average interest rate on debt |  | 3.70% |  | 3.60% |
Term Loan A | Secured Debt | Secured Debt, Current |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility outstanding |  | $ 11,300,000 |  |  |

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
Name: | us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
Name: | us-gaap_DeferredFinanceCostsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of the amount outstanding under the credit facility. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611 + Details
Name: | us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
Name: | us-gaap_WriteOffOfDeferredDebtIssuanceCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_StandbyLettersOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=iart_SwinglineLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=iart_TermLoanFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_SecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=iart_SeniorCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_FederalFundsEffectiveSwapRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=iart_OneMonthEurodollarRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_EurodollarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_PrimeRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=iart_TermLoanA1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=iart_TermLoanAFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=iart_SecuredDebtCurrentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |