Operating Segment Information (Income by Reportable Segments) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting Information [Line Items]
Net sales	$ 229,148	$ 247,231	$ 703,816	$ 747,467
Operating income	27,122	18,476	54,764	61,763
Total Americas
Segment Reporting Information [Line Items]
Net sales	61,424	85,452	204,974	245,300
United States
Segment Reporting Information [Line Items]
Net sales	58,732	81,828	189,499	234,322
Other Americas
Segment Reporting Information [Line Items]
Net sales	2,692	3,624	15,475	10,978
Total APAC
Segment Reporting Information [Line Items]
Net sales	93,936	97,990	279,162	299,449
China
Segment Reporting Information [Line Items]
Net sales	63,822	75,765	185,651	219,230
Other APAC
Segment Reporting Information [Line Items]
Net sales	30,114	22,225	93,511	80,219
Total EMEA
Segment Reporting Information [Line Items]
Net sales	73,788	63,789	219,680	202,718
Germany
Segment Reporting Information [Line Items]
Net sales	31,220	27,430	96,785	82,311
Other EMEA
Segment Reporting Information [Line Items]
Net sales	42,568	36,359	122,895	120,407
Advanced Electronics Solutions
Segment Reporting Information [Line Items]
Net sales	126,400	130,608	392,440	404,926
Operating income	5,674	2,263	6,001	12,342
Advanced Electronics Solutions | Total Americas
Segment Reporting Information [Line Items]
Net sales	20,676	34,812	66,495	97,721
Advanced Electronics Solutions | United States
Segment Reporting Information [Line Items]
Net sales	20,403	33,969	63,263	94,907
Advanced Electronics Solutions | Other Americas
Segment Reporting Information [Line Items]
Net sales	273	843	3,232	2,814
Advanced Electronics Solutions | Total APAC
Segment Reporting Information [Line Items]
Net sales	54,485	52,670	178,054	173,471
Advanced Electronics Solutions | China
Segment Reporting Information [Line Items]
Net sales	33,719	36,126	110,237	113,448
Advanced Electronics Solutions | Other APAC
Segment Reporting Information [Line Items]
Net sales	20,766	16,544	67,817	60,023
Advanced Electronics Solutions | Total EMEA
Segment Reporting Information [Line Items]
Net sales	51,239	43,126	147,891	133,734
Advanced Electronics Solutions | Germany
Segment Reporting Information [Line Items]
Net sales	24,830	19,727	74,002	57,653
Advanced Electronics Solutions | Other EMEA
Segment Reporting Information [Line Items]
Net sales	26,409	23,399	73,889	76,081
Elastomeric Material Solutions
Segment Reporting Information [Line Items]
Net sales	97,986	110,983	295,576	326,313
Operating income	19,851	14,322	43,293	43,920
Elastomeric Material Solutions | Total Americas
Segment Reporting Information [Line Items]
Net sales	39,722	49,306	135,070	143,890
Elastomeric Material Solutions | United States
Segment Reporting Information [Line Items]
Net sales	37,269	46,772	123,109	136,340
Elastomeric Material Solutions | Other Americas
Segment Reporting Information [Line Items]
Net sales	2,453	2,534	11,961	7,550
Elastomeric Material Solutions | Total APAC
Segment Reporting Information [Line Items]
Net sales	37,134	42,522	92,987	118,152
Elastomeric Material Solutions | China
Segment Reporting Information [Line Items]
Net sales	28,341	37,349	69,227	99,734
Elastomeric Material Solutions | Other APAC
Segment Reporting Information [Line Items]
Net sales	8,793	5,173	23,760	18,418
Elastomeric Material Solutions | Total EMEA
Segment Reporting Information [Line Items]
Net sales	21,130	19,155	67,519	64,271
Elastomeric Material Solutions | Germany
Segment Reporting Information [Line Items]
Net sales	6,295	7,310	22,449	23,784
Elastomeric Material Solutions | Other EMEA
Segment Reporting Information [Line Items]
Net sales	14,835	11,845	45,070	40,487
Other
Segment Reporting Information [Line Items]
Net sales	4,762	5,640	15,800	16,228
Operating income	1,597	1,891	5,470	5,501
Other | Total Americas
Segment Reporting Information [Line Items]
Net sales	1,026	1,334	3,409	3,689
Other | United States
Segment Reporting Information [Line Items]
Net sales	1,060	1,087	3,127	3,075
Other | Other Americas
Segment Reporting Information [Line Items]
Net sales	(34)	247	282	614
Other | Total APAC
Segment Reporting Information [Line Items]
Net sales	2,317	2,798	8,121	7,826
Other | China
Segment Reporting Information [Line Items]
Net sales	1,762	2,290	6,187	6,048
Other | Other APAC
Segment Reporting Information [Line Items]
Net sales	555	508	1,934	1,778
Other | Total EMEA
Segment Reporting Information [Line Items]
Net sales	1,419	1,508	4,270	4,713
Other | Germany
Segment Reporting Information [Line Items]
Net sales	95	393	334	874
Other | Other EMEA
Segment Reporting Information [Line Items]
Net sales	1,324	1,115	3,936	3,839
Recognized over time
Segment Reporting Information [Line Items]
Net sales	66,212	80,425	209,772	235,944
Recognized over time | Advanced Electronics Solutions
Segment Reporting Information [Line Items]
Net sales	60,788	72,969	180,338	214,091
Recognized over time | Elastomeric Material Solutions
Segment Reporting Information [Line Items]
Net sales	1,331	3,346	17,423	9,090
Recognized over time | Other
Segment Reporting Information [Line Items]
Net sales	4,093	4,110	12,011	12,763
Recognized at a point in time
Segment Reporting Information [Line Items]
Net sales	162,936	166,806	494,044	511,523
Recognized at a point in time | Advanced Electronics Solutions
Segment Reporting Information [Line Items]
Net sales	65,612	57,639	212,102	190,835
Recognized at a point in time | Elastomeric Material Solutions
Segment Reporting Information [Line Items]
Net sales	96,655	107,637	278,153	317,223
Recognized at a point in time | Other
Segment Reporting Information [Line Items]
Net sales	$ 669	$ 1,530	$ 3,789	$ 3,465