Disposal Group, Including Discontinued Operation, Payment Related To Contract Termination

No definition available.

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Namespace Prefix:	iart_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Aggregate number of common shares reserved for future issuance.

+ 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 210.5-02.29)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Balance Type:	na
Period Type:	instant

- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Period Type:	duration

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- Details

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- Details

Name:	us-gaap_BusinessAcquisitionAxis=iart_ACellIncMember
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- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
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- Details

Name:	srt_CounterpartyNameAxis=iart_ConsortiumofFocusedOrthopedistsLLCMember
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SUBSEQUENT EVENTS (Narrative) (Details) - Subsequent Event - USD ($)	Jan. 20, 2021	Jan. 04, 2021	Feb. 19, 2021
2000 and 2001 Equity Incentive Plans
Subsequent Event [Line Items]
Number of shares available for future issuance (in shares)			0
ACell, Inc.
Subsequent Event [Line Items]
Payments to acquire business	$ 300,000,000
Contingent consideration, cash payments due upon achievement of certain revenue-based performance milestones (up to)	$ 100,000,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Smith & Nephew USD Limited
Subsequent Event [Line Items]
Aggregate purchase price received		$ 240,000,000.0
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Smith & Nephew USD Limited \| Consortium of Focused Orthopedists, LLC
Subsequent Event [Line Items]
Sale of Extremity Orthopedics business, payment for terminating license agreement		$ 41,500,000