Segment Information, Revenue from External Customers by Geographic Markets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue [Abstract]
Revenue	$ 374,313	$ 371,706	$ 743,319	$ 727,227
North America [Member]
Revenue [Abstract]
Revenue	214,751	218,247	425,158	414,935
Europe [Member]
Revenue [Abstract]
Revenue	76,288	70,830	148,570	145,494
Asia Pacific [Member]
Revenue [Abstract]
Revenue	57,992	60,020	120,537	119,755
Other [Member]
Revenue [Abstract]
Revenue	25,282	22,609	49,054	47,043
Flavors & Extracts [Member]
Revenue [Abstract]
Revenue	181,752	182,415	353,724	357,617
Color [Member]
Revenue [Abstract]
Revenue	156,532	152,070	313,481	295,998
Asia Pacific [Member]
Revenue [Abstract]
Revenue	36,029	37,221	76,114	73,612
Reportable Geographical Components [Member] | Flavors & Extracts [Member] | North America [Member]
Revenue [Abstract]
Revenue	137,135	138,885	269,103	265,587
Reportable Geographical Components [Member] | Flavors & Extracts [Member] | Europe [Member]
Revenue [Abstract]
Revenue	31,867	31,165	60,794	63,770
Reportable Geographical Components [Member] | Flavors & Extracts [Member] | Asia Pacific [Member]
Revenue [Abstract]
Revenue	6,290	6,800	11,491	16,537
Reportable Geographical Components [Member] | Flavors & Extracts [Member] | Other [Member]
Revenue [Abstract]
Revenue	6,460	5,565	12,336	11,723
Reportable Geographical Components [Member] | Color [Member] | North America [Member]
Revenue [Abstract]
Revenue	77,554	79,360	155,931	149,288
Reportable Geographical Components [Member] | Color [Member] | Europe [Member]
Revenue [Abstract]
Revenue	44,397	39,615	87,649	81,593
Reportable Geographical Components [Member] | Color [Member] | Asia Pacific [Member]
Revenue [Abstract]
Revenue	16,308	16,413	34,457	32,429
Reportable Geographical Components [Member] | Color [Member] | Other [Member]
Revenue [Abstract]
Revenue	18,273	16,682	35,444	32,688
Reportable Geographical Components [Member] | Asia Pacific [Member] | North America [Member]
Revenue [Abstract]
Revenue	62	2	124	60
Reportable Geographical Components [Member] | Asia Pacific [Member] | Europe [Member]
Revenue [Abstract]
Revenue	24	50	127	131
Reportable Geographical Components [Member] | Asia Pacific [Member] | Asia Pacific [Member]
Revenue [Abstract]
Revenue	35,394	36,807	74,589	70,789
Reportable Geographical Components [Member] | Asia Pacific [Member] | Other [Member]
Revenue [Abstract]
Revenue	$ 549	$ 362	$ 1,274	$ 2,632