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Debt - Additional Information (Detail) |  |  |  |  |  |  | 3 Months Ended | 12 Months Ended |  |  |  |
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Oct. 04, 2018 USD ($) | Sep. 17, 2018 USD ($) $ / shares | Jun. 06, 2018 USD ($) | May 18, 2017 USD ($) | Mar. 14, 2016 EUR (€) | Mar. 14, 2016 USD ($) | Apr. 04, 2013 USD ($) | Dec. 31, 2019 USD ($) | Sep. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Sep. 26, 2018 USD ($) | Sep. 25, 2018 EUR (€) | Sep. 25, 2018 USD ($) | Jun. 06, 2018 EUR (€) | Jun. 06, 2018 USD ($) | Mar. 14, 2016 USD ($)
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount still available for additional borrowings |  |  |  |  |  |  |  | $ 1,000,000,000.0 |  |  | $ 1,000,000,000.0 |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  | 4,382,396,000 |  |  | $ 4,382,396,000 | $ 4,553,059,000 |  |  |  |  |  |
Gross Proceeds |  | $ 825,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quarterly installments | $ / shares |  | $ 0.75 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial installment | $ / shares |  | $ 0.73333 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest and partial repayment of principal |  | 3.79% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on pre-issuance hedges |  |  |  |  |  | $ (3,200,000) |  |  |  |  |  |  |  |  |  |  |  |
Repurchase price of principal amount of Senior Notes in percentage |  |  |  |  |  |  |  |  |  |  | 101.00% |  |  |  |  |  |  |
Commercial Paper [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short term debt, term |  |  |  |  |  |  |  |  |  |  | 90 days |  |  |  |  |  |  |
Short-term debt |  |  |  |  |  |  |  | 0 |  |  | $ 0 | 0 |  |  |  |  |  |
Maximum amount outstanding |  |  |  |  |  |  |  |  |  |  |  | 85,000,000 |  |  |  |  |  |
Loans Payable [Member] | Term Loan Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt, face amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 350,000,000.0 |
Debt Instrument, Term |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization rate |  |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum ratio of net debt to EBI TDA with step-downs over time |  |  | 4.50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Debt |  |  |  |  |  |  |  | 43,000,000 | $ 42,000,000 | $ 25,000,000 |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  |  |  | $ 239,621,000 |  |  | $ 239,621,000 | 349,163,000 |  |  |  |  |  |
Interest rate of debt |  |  |  |  |  |  |  | 3.65% |  |  | 3.65% |  |  |  |  |  |  |
Senior notes - 2017 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt, face amount |  |  |  | $ 500,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Term |  |  |  | 30 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate of debt |  |  |  | 4.375% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes discount |  |  |  | $ 1,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds related to the issuance of Senior Notes |  |  |  | 493,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Underwriting discount |  |  |  | 4,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other deferred costs |  |  |  | 900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on pre-issuance hedges |  |  |  | $ (5,300,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Notes - 2016 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt, face amount | € |  |  |  |  | € 500,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Term |  |  |  |  | 8 years | 8 years |  |  |  |  |  |  |  |  |  |  |  |
Interest rate of debt |  |  |  |  | 1.75% |  |  |  |  |  |  |  |  |  |  |  |  | 1.75%
Senior notes discount | € |  |  |  |  | € 900,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds related to the issuance of Senior Notes | € |  |  |  |  | 496,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |
Underwriting discount | € |  |  |  |  | € 3,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Other deferred costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,300,000
Senior Notes - 2007 [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate of debt |  |  |  |  |  |  |  | 6.40% |  |  | 6.40% |  |  |  |  |  |  |
Senior Notes - 2007 [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate of debt |  |  |  |  |  |  |  | 6.82% |  |  | 6.82% |  |  |  |  |  |  |
Senior Notes - 2013 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate of debt |  |  |  |  |  |  | 3.20% |  |  |  |  |  |  |  |  |  |  |
Senior notes discount |  |  |  |  |  |  | $ 300,000 |  |  |  |  |  |  |  |  |  |  |
Proceeds related to the issuance of Senior Notes |  |  |  |  |  |  | 297,800,000 |  |  |  |  |  |  |  |  |  |  |
Underwriting discount |  |  |  |  |  |  | 1,900,000 |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  |  | 300,000,000.0 |  |  |  |  |  |  |  |  |  |  |
Other deferred financing costs |  |  |  |  |  |  | $ 900,000 |  |  |  |  |  |  |  |  |  |  |
Senior Notes, Euro Notes, 2021 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  |  |  | $ 334,561,000 |  |  | $ 334,561,000 | 337,704,000 |  | € 300,000,000 |  |  |  |
Interest rate of debt |  |  |  |  |  |  |  | 0.82% |  |  | 0.82% |  |  | 0.50% | 0.50% |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |  |  |  | € 297,700,000 | $ 349,500,000 |  |  |
Senior Notes, Euro Notes, 2026 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  |  |  | $ 890,183,000 |  |  | $ 890,183,000 | 899,886,000 |  | € 800,000,000 |  |  |  |
Interest rate of debt |  |  |  |  |  |  |  | 1.93% |  |  | 1.93% |  |  | 1.80% | 1.80% |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |  |  |  | € 794,100,000 | $ 932,200,000 |  |  |
London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Margin on variable rate |  |  |  |  |  |  |  |  |  |  | 1.125% |  |  |  |  |  |  |
London Interbank Offered Rate (LIBOR) [Member] | Loans Payable [Member] | Term Loan Credit Agreement [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Margin on variable rate |  |  | 0.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
London Interbank Offered Rate (LIBOR) [Member] | Loans Payable [Member] | Term Loan Credit Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Margin on variable rate |  |  | 2.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Base Rate [Member] | Loans Payable [Member] | Term Loan Credit Agreement [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Margin on variable rate |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Base Rate [Member] | Loans Payable [Member] | Term Loan Credit Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Margin on variable rate |  |  | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Citibank, N.A [Member] | Tranche A Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving credit facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 585,000,000 |
Line of credit facility, maximum borrowing capacity, sublimit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25,000,000 |
Citibank, N.A [Member] | Tranche B Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving credit facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 415,000,000 |
Line of credit facility, maximum borrowing capacity, sublimit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 50,000,000 | $ 25,000,000 |
Citibank, N.A [Member] | Revolving Loan Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt related commitment fees and debt issuance costs |  |  | $ 700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit |  |  |  |  |  |  |  | $ 0 |  |  | $ 0 |  |  |  |  |  |  |
Citibank, N.A [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Loan Facility [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Margin on variable rate |  |  | 0.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Citibank, N.A [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Loan Facility [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Margin on variable rate |  |  | 1.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Citibank, N.A [Member] | Base Rate [Member] | Revolving Loan Facility [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Margin on variable rate |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Citibank, N.A [Member] | Base Rate [Member] | Revolving Loan Facility [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Margin on variable rate |  |  | 0.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying Amount [Member] | Senior Notes - 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  |  |  | 299,381,000 |  |  | 299,381,000 | 298,499,000 |  |  |  |  |  |
Carrying Amount [Member] | Senior Notes - 2020 [Member] | Unsecured Debt [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  |  |  |  |  |  |  |  | $ 300,000,000 |  |  |  |  |
Interest rate of debt |  |  |  |  |  |  |  |  |  |  |  |  | 3.40% |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |  |  | $ 298,900,000 |  |  |  |  |
Carrying Amount [Member] | Senior Notes - 2028 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  |  |  | 396,688,000 |  |  | 396,688,000 | 396,377,000 | $ 400,000,000 |  |  |  |  |
Interest rate of debt |  |  |  |  |  |  |  |  |  |  |  |  | 4.45% |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |  |  | $ 397,000,000.0 |  |  |  |  |
Carrying Amount [Member] | Senior Notes - 2048 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  |  |  | $ 785,996,000 |  |  | $ 785,996,000 | $ 785,788,000 | $ 800,000,000 |  |  |  |  |
Interest rate of debt |  |  |  |  |  |  |  |  |  |  |  |  | 5.00% |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |  |  | $ 787,200,000 |  |  |  |  |
Amortizing Note |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Proceeds |  | $ 139,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortizing Note | Frutarom Industries Ltd. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule Of Borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Proceeds | $ 139,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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