XML 59 R49.htm IDEA: XBRL DOCUMENT
v3.19.2

Restructuring and Other Charges, Net - Additional Information (Detail) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 USD ($) Position | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) Facility | Jun. 30, 2018 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charge | $ 2,525 | $ 1,186 | $ 18,699 | $ 1,903
Frutarom Integration Initiative |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected number of sites closed | Facility |  |  | 35 |
Expected number of sites closed, period |  |  | 2 years |
Restructuring charge |  |  | $ 5,100 |
2017 Productivity Program |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charge |  |  | 24,500 |
Employee Severance | Frutarom Integration Initiative |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charge |  |  | 1,500 |
Employee Severance | 2019 Severance Initiatives |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charge |  |  | 13,600 |
Number of positions expected to be eliminated | Position | 190 |  |  |
Payments for restructuring |  |  | 3,600 |
Employee Severance | 2017 Productivity Program |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Payments for restructuring |  | $ 4,500 | $ 600 |
Contract Termination |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charge |  |  |  | $ 4,500
Europe, Africa and Middle East | Frutarom Integration Initiative |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Number of facilities closed | Facility |  |  | 4 |
North America | Frutarom Integration Initiative |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Number of facilities closed | Facility |  |  | 1 |
Greater Asia | Frutarom Integration Initiative |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Number of facilities closed | Facility |  |  | 1 |

X
- Definition Restructuring And Related Cost, Expected Number Of Sites Closed + References No definition available. + Details
Name: | iff_RestructuringAndRelatedCostExpectedNumberOfSitesClosed
Namespace Prefix: | iff_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Restructuring And Related Cost, Expected Number Of Sites Closed, Period + References No definition available. + Details
Name: | iff_RestructuringAndRelatedCostExpectedNumberOfSitesClosedPeriod
Namespace Prefix: | iff_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Restructuring And Related Cost, Number Of Sites Closed + References No definition available. + Details
Name: | iff_RestructuringAndRelatedCostNumberOfSitesClosed
Namespace Prefix: | iff_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3367-108585 + Details
Name: | us-gaap_PaymentsForRestructuring
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The expected number of positions to be eliminated as a result of restructuring activities. + References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RestructuringPlanAxis=iff_FrutaromIntegrationInitiativeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=iff_A2017ProductivityProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=iff_A2019SeveranceInitiativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_ContractTerminationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=us-gaap_EMEAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=srt_NorthAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=srt_AsiaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |