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TREASURY STOCK (Narrative) (Details) (2012 Authorization, USD $) | 0 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 23, 2012 | Dec. 31, 2013
2012 Authorization |  |
Accelerated Share Repurchases [Line Items] |  |
2012 share repurchase date | Oct. 23, 2012 |
Stock repurchase program, authorized amount | $ 75,000,000 |
Amount available for share repurchase under this latest authorization |  | $ 75,000,000

X
- Definition The date the 2012 share repurchase program was approved by the Company's Board of Directors + References No definition available. + Details
Name: | iart_A2012ShareRepurchaseDate
Namespace Prefix: | iart_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Amount of a stock repurchase plan authorized by an entity's Board of Directors. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount remaining of a stock repurchase plan authorized by an entity's Board of Directors. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration