Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Taxes [Line Items]
Domestic earnings repatriated	$ 43.9		$ 43.9
Undistributed foreign earnings	$ 43.9		$ 43.9
Provisional income tax expense (benefit), toll charge		$ 8.0
Spanish tax settlement
Income Taxes [Line Items]
Effective tax rate	17.20%	5.00%	17.60%	15.00%
Foreign Tax Authority
Income Taxes [Line Items]
Provision for uncertain tax positions	$ 72.9		$ 72.9
Other Liabilities
Income Taxes [Line Items]
Unrecognized tax benefits that would impact effective tax rate	61.7		61.7
Accrued interest and penalties	11.2		11.2
Frutarom
Income Taxes [Line Items]
Undistributed foreign earnings	43.7		43.7
Frutarom | Foreign Tax Authority
Income Taxes [Line Items]
Provision for uncertain tax positions	18.9		18.9
Frutarom | Other Liabilities
Income Taxes [Line Items]
Unrecognized tax benefits that would impact effective tax rate	12.3		12.3
Accrued interest and penalties	$ 6.6		$ 6.6