Segment Information, Revenue from External Customers by Geographic Markets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Revenue [Abstract]
Revenue	$ 392,325	$ 384,670
North America [Member]
Revenue [Abstract]
Revenue	228,297	222,072
Europe [Member]
Revenue [Abstract]
Revenue	75,902	78,365
Asia Pacific [Member]
Revenue [Abstract]
Revenue	61,912	59,810
Other [Member]
Revenue [Abstract]
Revenue	26,214	24,423
Flavors & Extracts [Member]
Revenue [Abstract]
Revenue	187,798	188,022
Color [Member]
Revenue [Abstract]
Revenue	162,636	156,364
Asia Pacific [Member]
Revenue [Abstract]
Revenue	41,891	40,284
Reportable Geographical Components [Member] | Flavors & Extracts [Member] | North America [Member]
Revenue [Abstract]
Revenue	149,627	146,952
Reportable Geographical Components [Member] | Flavors & Extracts [Member] | Europe [Member]
Revenue [Abstract]
Revenue	28,157	32,157
Reportable Geographical Components [Member] | Flavors & Extracts [Member] | Asia Pacific [Member]
Revenue [Abstract]
Revenue	4,522	3,706
Reportable Geographical Components [Member] | Flavors & Extracts [Member] | Other [Member]
Revenue [Abstract]
Revenue	5,492	5,207
Reportable Geographical Components [Member] | Color [Member] | North America [Member]
Revenue [Abstract]
Revenue	78,669	75,120
Reportable Geographical Components [Member] | Color [Member] | Europe [Member]
Revenue [Abstract]
Revenue	47,723	46,162
Reportable Geographical Components [Member] | Color [Member] | Asia Pacific [Member]
Revenue [Abstract]
Revenue	16,626	17,419
Reportable Geographical Components [Member] | Color [Member] | Other [Member]
Revenue [Abstract]
Revenue	19,618	17,663
Reportable Geographical Components [Member] | Asia Pacific [Member] | North America [Member]
Revenue [Abstract]
Revenue	1	0
Reportable Geographical Components [Member] | Asia Pacific [Member] | Europe [Member]
Revenue [Abstract]
Revenue	22	46
Reportable Geographical Components [Member] | Asia Pacific [Member] | Asia Pacific [Member]
Revenue [Abstract]
Revenue	40,764	38,685
Reportable Geographical Components [Member] | Asia Pacific [Member] | Other [Member]
Revenue [Abstract]
Revenue	$ 1,104	$ 1,553