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Segment Information - Reportable Segment Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Segment Reporting Information [Line Items] |  |  |
Net sales | $ 5,140,084 | $ 3,977,539 | $ 3,398,719
Segment assets | 13,287,411 | 12,889,395 |
Operating profit | 665,270 | 583,882 | 552,630
Legal Charges/Credits, net | 0 | 0 | 56,000
Restructuring and Other Charges, net | (29,765) | (5,079) | (19,711)
Gain on Sale of Assets | (2,367) | 1,177 | 184
Interest expense | (138,221) | (132,558) | (65,363)
Loss on extinguishment of debt | 0 | (38,810) | 0
Other income (expense), net | 30,403 | 35,243 | 49,778
Income before taxes | 557,452 | 447,757 | 537,045
Corporate and Other [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Operational Improvement Initiatives | (2,267) | (2,169) | (1,802)
Acquisition Related Costs | 0 | 1,289 | (20,389)
Integration Related Costs | (55,160) | (7,188) | (4,179)
Legal Charges/Credits, net | 0 | 0 | (1,000)
Tax assessment | 0 | 0 | (5,331)
Restructuring and Other Charges, net | (29,765) | (4,086) | (19,711)
Gain on Sale of Assets | (2,367) | 1,177 | 184
FDA Mandated Product Recall | 11,314 | 0 | 0
UK Pension Settlement Charges | $ (5,940) | $ (89,632) | $ 0
Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Profit margin | 12.90% | 14.70% | 16.30%
Operating Segments [Member] | Flavors [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | $ 3,200,520 | $ 2,091,635 | $ 1,632,166
Segment assets | 10,319,779 | 9,677,139 |
Operating profit | $ 482,394 | $ 419,264 | $ 358,266
Profit margin | 15.10% | 20.00% | 22.00%
Operating Segments [Member] | Fragrances [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | $ 1,939,564 | $ 1,885,904 | $ 1,766,553
Segment assets | 2,757,491 | 2,649,103 |
Operating profit | $ 349,445 | $ 325,901 | $ 314,899
Profit margin | 18.00% | 17.30% | 17.80%
Global [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment assets | $ 210,141 | $ 563,153 |
Operating profit | (38,759) | (67,799) | $ (54,538)
Nutrition & Biosciences, Inc [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Business Acquisition, Transaction Costs | 75,000 |  |
Nutrition & Biosciences, Inc [Member] | Corporate and Other [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Acquisition Related Costs | (20,747) | 0 | 0
Frutarom Industries Ltd. [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Amortization |  | 23,500 |
Business Acquisition, Transaction Costs |  | 66,000 |
Acquisition-related Costs [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating profit | (250) | 7,125 | (11,000)
UNITED KINGDOM | Corporate and Other [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
FDA Mandated Product Recall | $ 0 | $ 0 | $ (2,769)

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