Segment Profit (Loss)

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

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-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

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-Section 50

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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- Definition

Amount of general expenses not normally included in Other Operating Costs and Expenses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.6)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 6

-Article 5

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- Definition

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

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-Name Regulation S-X (SX)

-Number 210

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SEGMENT AND GEOGRAPHIC INFORMATION (Net Sales and Profit by Reportable Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenue from External Customer [Line Items]
Segment Net Sales	$ 252,176us-gaap_SalesRevenueGoodsNet	$ 229,719us-gaap_SalesRevenueGoodsNet	$ 231,351us-gaap_SalesRevenueGoodsNet	$ 215,059us-gaap_SalesRevenueGoodsNet	$ 220,769us-gaap_SalesRevenueGoodsNet	$ 213,246us-gaap_SalesRevenueGoodsNet	$ 205,547us-gaap_SalesRevenueGoodsNet	$ 196,652us-gaap_SalesRevenueGoodsNet	$ 928,305us-gaap_SalesRevenueGoodsNet	$ 836,214us-gaap_SalesRevenueGoodsNet	$ 830,871us-gaap_SalesRevenueGoodsNet
Segment Profit									365,525iart_SegmentProfitLoss	247,444iart_SegmentProfitLoss	304,023iart_SegmentProfitLoss
Amortization									(12,400)us-gaap_AmortizationOfIntangibleAssets	(12,697)us-gaap_AmortizationOfIntangibleAssets	(18,536)us-gaap_AmortizationOfIntangibleAssets
Corporate and other									(287,584)us-gaap_OtherGeneralExpense	(244,903)us-gaap_OtherGeneralExpense	(211,705)us-gaap_OtherGeneralExpense
Operating income (loss)									65,541us-gaap_OperatingIncomeLoss	(10,156)us-gaap_OperatingIncomeLoss	73,782us-gaap_OperatingIncomeLoss
U.S. Neurosurgery
Revenue from External Customer [Line Items]
Segment Net Sales									244,603	172,250	171,278
Segment Profit									133,165	83,211	91,070
U.S. Instruments
Revenue from External Customer [Line Items]
Segment Net Sales									157,816	163,908	166,921
Segment Profit									48,036	49,348	50,277
U.S. Extremities
Revenue from External Customer [Line Items]
Segment Net Sales									143,384	128,336	116,279
Segment Profit									61,343	47,880	43,952
U.S. Spine and Other
Revenue from External Customer [Line Items]
Segment Net Sales									171,363	182,007	192,516
Segment Profit									53,318	10,136	57,388
International
Revenue from External Customer [Line Items]
Segment Net Sales									211,139	189,713	183,877
Segment Profit									$ 69,663	$ 56,869	$ 61,336