Segment Information, Revenue from External Customers by Geographic Markets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue [Abstract]
Revenue	$ 384,670	$ 369,006
North America [Member]
Revenue [Abstract]
Revenue	222,072	210,407
Europe [Member]
Revenue [Abstract]
Revenue	78,365	72,282
Asia Pacific [Member]
Revenue [Abstract]
Revenue	59,810	62,545
Other [Member]
Revenue [Abstract]
Revenue	24,423	23,772
Flavors & Extracts [Member]
Revenue [Abstract]
Revenue	188,022	171,972
Color [Member]
Revenue [Abstract]
Revenue	156,364	156,949
Asia Pacific [Member]
Revenue [Abstract]
Revenue	40,284	40,085
Reportable Geographical Components [Member] | Flavors & Extracts [Member] | North America [Member]
Revenue [Abstract]
Revenue	146,952	131,968
Reportable Geographical Components [Member] | Flavors & Extracts [Member] | Europe [Member]
Revenue [Abstract]
Revenue	32,157	28,927
Reportable Geographical Components [Member] | Flavors & Extracts [Member] | Asia Pacific [Member]
Revenue [Abstract]
Revenue	3,706	5,201
Reportable Geographical Components [Member] | Flavors & Extracts [Member] | Other [Member]
Revenue [Abstract]
Revenue	5,207	5,876
Reportable Geographical Components [Member] | Color [Member] | North America [Member]
Revenue [Abstract]
Revenue	75,120	78,377
Reportable Geographical Components [Member] | Color [Member] | Europe [Member]
Revenue [Abstract]
Revenue	46,162	43,252
Reportable Geographical Components [Member] | Color [Member] | Asia Pacific [Member]
Revenue [Abstract]
Revenue	17,419	18,149
Reportable Geographical Components [Member] | Color [Member] | Other [Member]
Revenue [Abstract]
Revenue	17,663	17,171
Reportable Geographical Components [Member] | Asia Pacific [Member] | North America [Member]
Revenue [Abstract]
Revenue	0	62
Reportable Geographical Components [Member] | Asia Pacific [Member] | Europe [Member]
Revenue [Abstract]
Revenue	46	103
Reportable Geographical Components [Member] | Asia Pacific [Member] | Asia Pacific [Member]
Revenue [Abstract]
Revenue	38,685	39,195
Reportable Geographical Components [Member] | Asia Pacific [Member] | Other [Member]
Revenue [Abstract]
Revenue	$ 1,553	$ 725