Acquisitions - PowderPure, Fragrance Resources, and David Michael (Details) $ in Thousands, € in Millions						3 Months Ended	12 Months Ended
	Sep. 17, 2018 USD ($)	Apr. 07, 2017 USD ($)	Jan. 17, 2017 EUR (€)	Jan. 17, 2017 USD ($)	Oct. 07, 2016 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Business Acquisition [Line Items]
Gross Proceeds	$ 825,000
Selling and administrative expenses							$ 707,461	$ 570,144	$ 572,518
Cash paid for business acquisition							4,857,343	192,328	236,836
Goodwill							5,378,388	$ 1,156,288	$ 1,000,123	$ 941,389
PowderPure [Member]
Business Acquisition [Line Items]
Percentage of voting interest acquired		100.00%
Cash paid to acquire business		$ 54,600
Cash acquired from acquisition		400
Additional contingent consideration		1,400
Purchase price exceeds preliminary fair value of net assets		48,000
Goodwill, expected tax deductible amount		15,200
Selling and administrative expenses							$ 1,300
PowderPure [Member] | Maximum [Member]
Business Acquisition [Line Items]
Earn out payable		10,000
PowderPure [Member] | Proprietary Technology [Member]
Business Acquisition [Line Items]
Intangible assets acquired		$ 27,500
Weighted-Average Useful Life		14 years
PowderPure [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Intangible assets acquired		$ 4,500
Weighted-Average Useful Life		14 years
PowderPure [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Intangible assets acquired		$ 800
Weighted-Average Useful Life		2 years
Fragrance Resources [Member]
Business Acquisition [Line Items]
Percentage of voting interest acquired				100.00%
Cash paid to acquire business			€ 143.4	$ 151,900
Cash acquired from acquisition			13.7	14,400
Purchase price exceeds preliminary fair value of net assets				122,000
Business combination, consideration transferred			142.0	150,500
Additional payment for working capital adjustment			€ 1.4	1,500
Goodwill, not expected tax deductible amount				72,000
Accrued liabilities				$ 15,300
Fragrance Resources [Member] | Proprietary Technology [Member]
Business Acquisition [Line Items]
Weighted-Average Useful Life			5 years	5 years
Fragrance Resources [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Weighted-Average Useful Life			2 years	2 years
Fragrance Resources [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Intangible assets acquired				$ 51,700
Fragrance Resources [Member] | Customer Relationships [Member] | Minimum [Member]
Business Acquisition [Line Items]
Weighted-Average Useful Life			12 years	12 years
Fragrance Resources [Member] | Customer Relationships [Member] | Maximum [Member]
Business Acquisition [Line Items]
Weighted-Average Useful Life			16 years	16 years
Fragrance Resources [Member] | Trade Names and Proprietary Technology [Member]
Business Acquisition [Line Items]
Intangible assets acquired				$ 13,600
David Michael & Company, Inc. [Member]
Business Acquisition [Line Items]
Percentage of voting interest acquired					100.00%
Cash paid to acquire business					$ 242,600
Cash acquired from acquisition					$ 5,100
Purchase price exceeds preliminary fair value of net assets						$ 168,700
Goodwill, expected tax deductible amount						110,200
Additional payment for working capital adjustment						700
David Michael & Company, Inc. [Member] | Proprietary Technology [Member]
Business Acquisition [Line Items]
Weighted-Average Useful Life					5 years
David Michael & Company, Inc. [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Weighted-Average Useful Life					2 years
David Michael & Company, Inc. [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Intangible assets acquired						50,000
David Michael & Company, Inc. [Member] | Customer Relationships [Member] | Minimum [Member]
Business Acquisition [Line Items]
Weighted-Average Useful Life					18 years
David Michael & Company, Inc. [Member] | Customer Relationships [Member] | Maximum [Member]
Business Acquisition [Line Items]
Weighted-Average Useful Life					20 years
David Michael & Company, Inc. [Member] | Trade Names and Proprietary Technology [Member]
Business Acquisition [Line Items]
Intangible assets acquired						$ 8,400