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Business Acquisition, Goodwill, Not Expected Tax Deductible Amount

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Business Combination, Purchase Price Exceeds Preliminary Fair Value Of Net Assets

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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Amount of liability recognized arising from contingent consideration in a business combination.

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount of liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisitions (Details) $ in Thousands, € in Millions				3 Months Ended
Acquisitions (Details) $ in Thousands, € in Millions	Apr. 07, 2017 USD ($)	Jan. 17, 2017 EUR (€)	Jan. 17, 2017 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Business Acquisition [Line Items]
Goodwill				$ 1,166,022	$ 1,156,288
PhytoTechnology [Member]
Business Acquisition [Line Items]
Percentage of interests acquired	100.00%
Payments to acquire businesses	$ 54,600
Cash acquired	400
Contingent consideration, liability	1,400
Contingent consideration, liability, maximum	10,000
Purchase price exceeds preliminary fair value of net assets	48,000
Goodwill	15,200
Decrease in administrative expense				$ 600
PhytoTechnology [Member] \| Trade names
Business Acquisition [Line Items]
Finite-lived intangible assets	$ 4,500
Acquired intangible assets useful life	14 years
PhytoTechnology [Member] \| Proprietary technology
Business Acquisition [Line Items]
Finite-lived intangible assets	$ 27,500
Acquired intangible assets useful life	14 years
PhytoTechnology [Member] \| Customer relationships
Business Acquisition [Line Items]
Finite-lived intangible assets	$ 800
Acquired intangible assets useful life	2 years
Fragrance Resources [Member]
Business Acquisition [Line Items]
Percentage of interests acquired			100.00%
Payments to acquire businesses		€ 143.4	$ 151,900
Cash acquired		13.7	14,400
Additional payment for working capital adjustment		1.4	1,500
Purchase price exceeds preliminary fair value of net assets			122,000
Total consideration for acquisition		€ 142.0	150,500
Business Acquisition, Goodwill, Not Expected Tax Deductible Amount			72,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities			15,300
Fragrance Resources [Member] \| Trade Names and Proprietary Technology [Member]
Business Acquisition [Line Items]
Intangible assets acquired			$ 13,600
Fragrance Resources [Member] \| Trade names
Business Acquisition [Line Items]
Acquired intangible assets useful life		2 years	2 years
Fragrance Resources [Member] \| Proprietary technology
Business Acquisition [Line Items]
Acquired intangible assets useful life		5 years	5 years
Fragrance Resources [Member] \| Customer relationships
Business Acquisition [Line Items]
Intangible assets acquired			$ 51,700
Minimum \| Fragrance Resources [Member] \| Customer relationships
Business Acquisition [Line Items]
Acquired intangible assets useful life		12 years	12 years
Maximum \| Fragrance Resources [Member] \| Customer relationships
Business Acquisition [Line Items]
Acquired intangible assets useful life		16 years	16 years