XML 71 R41.htm IDEA: XBRL DOCUMENT
v2.4.0.8

DEBT - Narrative (Detail) (USD $) |  |  |  |  |  | 0 Months Ended | 9 Months Ended | 0 Months Ended | 9 Months Ended | 0 Months Ended |  |  | 0 Months Ended |  | 0 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2014 | Dec. 31, 2013 | Mar. 31, 2014 Revolving Credit Facility | Dec. 31, 2013 Revolving Credit Facility | Jun. 21, 2013 Revolving Credit Facility | Jun. 21, 2013 Revolving Credit Facility Option (ii), (x) | Jun. 21, 2013 Revolving Credit Facility Option (ii), (z) | Sep. 30, 2013 Revolving Credit Facility Minimum | Jun. 21, 2013 Revolving Credit Facility Minimum Option (i) | Sep. 30, 2013 Revolving Credit Facility Maximum | Jun. 21, 2013 Revolving Credit Facility Maximum Option (i) | Jun. 08, 2011 Revolving Credit Facility August 2010 Amendment | Jun. 08, 2011 Revolving Credit Facility June 2011 Amendment | Jun. 08, 2011 Revolving Credit Facility June 2011 Amendment Minimum | Jun. 08, 2011 Revolving Credit Facility June 2011 Amendment Maximum | May 11, 2012 Revolving Credit Facility May 2012 Amendment Maximum | Jun. 21, 2013 Revolving Credit Facility June 2013 Amendment | Jun. 21, 2013 Revolving Credit Facility June 2013 Amendment Maximum | Jun. 21, 2013 Revolving Credit Facility June 2013 Amendment Leverage Ratio after March 31, 2015 | Jun. 21, 2013 Revolving Credit Facility June 2013 Amendment Maximum Levarage Ratio July 01, 2014 through March 31.2015 | Jun. 15, 2011 2016 Convertible Senior Notes | Mar. 31, 2014 2016 Convertible Senior Notes | Dec. 31, 2013 2016 Convertible Senior Notes
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior credit facility, maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 450,000,000 | $ 600,000,000 |  |  |  |  |  |  |  |
Reallocated term loan |  |  |  |  |  |  |  |  |  |  |  |  | 150,000,000 |  |  |  |  |  |  |  |  |  |
Additional commitments |  |  |  |  |  |  |  |  |  |  |  |  | 200,000,000 |  |  |  |  |  |  |  |  |  |
Line of credit facility, expiration date |  |  |  |  |  |  |  |  |  |  |  | Aug. 10, 2015 | Jun. 08, 2016 |  |  |  |  |  |  |  |  |  |
Leverage ratio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.75 |  | 4.25 | 3.75 | 4.00 |  |  |
Debt issuance costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,100,000 |  |  |  |  |  |
Interest rates available to the Company at its option |  |  |  |  |  | 0.50% | 1.00% |  | 1.00% |  | 1.75% |  |  |  |  |  |  |  |  |  |  |  |
Cash balance threshold above which excess amount is not subject to any restriction of use or investment |  |  |  |  | 40,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit, commitment fee percentage |  |  |  |  |  |  |  | 0.15% |  | 0.30% |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility outstanding |  |  | 421,900,000 | 186,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average interest rate on debt |  |  | 1.70% | 2.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available borrowings under senior secured revolving credit facility |  |  | 178,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of outstanding borrowings |  |  | 425,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 248,600,000 |
Principal amount outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 230,000,000 | 230,000,000 | 230,000,000
Interest rate on debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.625% |  |
Portion of the debt proceeds that was classified as equity at the time of the offering |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 43,200,000 |  |
Effective interest rate implicit in the liability component |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.60% |  |
Carrying amount of liability | 207,125,000 | 205,182,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 207,100,000 | 205,200,000
Unamortized discount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22,900,000 | 24,800,000
Common stock based on initial conversion rate ratio (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17.4092 |  |
Principal amount to be considered for conversion purpose |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |
Initial conversion price, per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 57.44 |  |
Maximum selling price of company's common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 150.00% |  |
Principal amount of notes per average trading price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000 |  |
Maximum average conversion value of the Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 98.00% |  |
Earliest conversion date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | June 15, 2016 |  |
Strike price of the call transaction (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 57.44 |  |
Strike price of warrant transactions (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 70.05 |  |

X
- Definition The potential increase in the total borrowing capacity with further commitments from the lending syndicate. + References No definition available. + Details
Name: | iart_AdditionalCommitments
Namespace Prefix: | iart_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Cash Balance Threshold Above Which Excess Cash Is Not Subject to Restriction of Use + References No definition available. + Details
Name: | iart_CashBalanceThresholdAboveWhichExcessCashIsNotSubjectToRestrictionOfUse
Namespace Prefix: | iart_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Derivative price of the call transaction, strike price. + References No definition available. + Details
Name: | iart_DerivativePriceOfCallTransactionStrikePrice
Namespace Prefix: | iart_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The earliest conversion date if none of the other conversion criteria are met + References No definition available. + Details
Name: | iart_EarliestConversionDate
Namespace Prefix: | iart_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Excess cash which is used in the consolidated total leverage ratio, that is not subject to any restriction on the use or investment. + References No definition available. + Details
Name: | iart_LeverageRatio
Namespace Prefix: | iart_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition The notes are convertible if the average trading price per $1000 principal amount of notes is less than or equal to this percentage of the average conversion value of the notes during a period as defined in the indenture. + References No definition available. + Details
Name: | iart_MaximumAverageConversionValueOfNotes
Namespace Prefix: | iart_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Principal amount of notes for determining if the average trading price is in excess of this percentage of the conversion value. + References No definition available. + Details
Name: | iart_PrincipalAmountOfNotesPerAverageTradingPrice
Namespace Prefix: | iart_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Principal amount of notes for each initial conversion into common shares + References No definition available. + Details
Name: | iart_PrincipalAmountToBeConsideredForConversionPurposes
Namespace Prefix: | iart_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of term loan reallocated to revolving credit facility in connection with the second amendment to the agreement. + References No definition available. + Details
Name: | iart_ReallocatedTermLoan
Namespace Prefix: | iart_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Strike price of the warrant transactions entered into with affiliates of the initial purchasers of the Notes. + References No definition available. + Details
Name: | iart_StrikePriceOfWarrantTransactions
Namespace Prefix: | iart_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Carrying amount of long-term convertible debt as of the balance sheet date, net of the amount due in the next twelve months or greater than the normal operating cycle, if longer. The debt is convertible into another form of financial instrument, typically the entity's common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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 + Details
Name: | us-gaap_ConvertibleDebtNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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 The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031897-161870 + Details
Name: | us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870 + Details
Name: | us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(5)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Conversion Rate -URI http://asc.fasb.org/extlink&oid=6509012 + Details
Name: | us-gaap_DebtInstrumentConvertibleConversionRatio1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13476-108611 + Details
Name: | us-gaap_DebtInstrumentFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The average effective interest rate during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees). + References No definition available. + Details
Name: | us-gaap_DebtIssuanceCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityAmountOutstanding
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 Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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://www.xbrl.org/2003/role/presentationRef -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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + 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://www.xbrl.org/2003/role/presentationRef -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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant