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Acquisitions - Schedule of assets acquired and liabilities assumed (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Goodwill	$ 5,506,317	$ 5,378,388
Frutarom
Business Acquisition [Line Items]
Cash and cash equivalents	140,747	140,747
Other current assets	699,627	699,627
Identifiable intangible assets	2,668,300	2,690,000
Other non-current assets	412,046	353,710
Equity method investments	25,791	25,791
Current liabilities	(311,325)	(311,325)
Debt assumed	(77,037)	(77,037)
Other liabilities	(704,281)	(632,488)
Redeemable noncontrolling interest	(103,210)	(97,510)
Noncontrolling interest	(3,700)	(3,700)
Goodwill	4,283,936	4,243,079
Total Purchase Consideration	7,030,894	$ 7,030,894
Measurement period adjustments | Frutarom
Business Acquisition [Line Items]
Identifiable intangible assets	(21,700)
Other non-current assets	58,336
Other liabilities	(71,793)
Redeemable noncontrolling interest	(5,700)
Goodwill	$ 40,857

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