Deferred Gain Loss On Terminated Interest Rate Contracts

No definition available.

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Namespace Prefix:	iff_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

The number of forward currency contracts that matured during the period.

+ References

No definition available.

+ Details

Name:	iff_NumberOfForwardCurrencyContractsThatMaturedDuringPeriod
Namespace Prefix:	iff_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of interest rate swaps entered into during the period.

+ References

No definition available.

+ Details

Name:	iff_NumberOfInterestRateSwapAgreements
Namespace Prefix:	iff_
Data Type:	xbrli:positiveIntegerItemType
Balance Type:	na
Period Type:	duration

- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80748-113994

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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- Definition

Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80748-113994

+ Details

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Financial Instruments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended		9 Months Ended
	Jul. 31, 2013 swap	Jun. 30, 2013	Mar. 31, 2013 swap	Sep. 30, 2013
Derivatives, Fair Value [Line Items]
Number of interest rate swap agreements	2		3
Loss incurred on termination of interest rate swaps		$ 2.7
Derivative losses included in AOCI				$ 2
Forward currency contracts [Member]
Derivatives, Fair Value [Line Items]
Number of multiple forward currency contracts matured				4
Derivatives in Cash Flow Hedging Relationships [Member] \| Cross currency swap [Member]
Derivatives, Fair Value [Line Items]
Derivative instrument maturity period (years)				10 years