Segment Information (Net Sales by Geographic Area) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Segment Reporting [Line Items]
Net sales	$ 216.8	$ 202.8	$ 417.3	$ 393.3
Advanced Electronics Solutions
Segment Reporting [Line Items]
Net sales	117.5	109.0	225.2	213.2
Elastomeric Material Solutions
Segment Reporting [Line Items]
Net sales	94.8	89.4	183.2	172.0
Other
Segment Reporting [Line Items]
Net sales	4.5	4.4	8.9	8.1
Total Americas
Segment Reporting [Line Items]
Net sales	61.3	60.7	121.4	121.2
Total Americas \| Advanced Electronics Solutions
Segment Reporting [Line Items]
Net sales	20.9	23.3	40.7	46.2
Total Americas \| Elastomeric Material Solutions
Segment Reporting [Line Items]
Net sales	39.4	36.6	78.7	73.3
Total Americas \| Other
Segment Reporting [Line Items]
Net sales	1.0	0.8	2.0	1.7
United States
Segment Reporting [Line Items]
Net sales	55.8	57.6	111.6	114.3
United States \| Advanced Electronics Solutions
Segment Reporting [Line Items]
Net sales	19.4	22.9	38.1	45.0
United States \| Elastomeric Material Solutions
Segment Reporting [Line Items]
Net sales	35.4	33.9	71.6	67.6
United States \| Other
Segment Reporting [Line Items]
Net sales	1.0	0.8	1.9	1.7
Other Americas
Segment Reporting [Line Items]
Net sales	5.5	3.1	9.8	6.9
Other Americas \| Advanced Electronics Solutions
Segment Reporting [Line Items]
Net sales	1.5	0.4	2.6	1.2
Other Americas \| Elastomeric Material Solutions
Segment Reporting [Line Items]
Net sales	4.0	2.7	7.1	5.7
Other Americas \| Other
Segment Reporting [Line Items]
Net sales	0.0	0.0	0.1	0.0
Total APAC
Segment Reporting [Line Items]
Net sales	93.1	82.9	177.0	158.7
Total APAC \| Advanced Electronics Solutions
Segment Reporting [Line Items]
Net sales	57.8	47.4	111.4	93.7
Total APAC \| Elastomeric Material Solutions
Segment Reporting [Line Items]
Net sales	33.3	33.6	61.7	61.5
Total APAC \| Other
Segment Reporting [Line Items]
Net sales	2.0	1.9	3.9	3.5
China
Segment Reporting [Line Items]
Net sales	69.3	61.1	131.0	115.6
China \| Advanced Electronics Solutions
Segment Reporting [Line Items]
Net sales	43.4	33.9	83.0	67.5
China \| Elastomeric Material Solutions
Segment Reporting [Line Items]
Net sales	24.1	25.9	44.8	45.8
China \| Other
Segment Reporting [Line Items]
Net sales	1.8	1.3	3.2	2.3
Other APAC
Segment Reporting [Line Items]
Net sales	23.8	21.8	46.0	43.1
Other APAC \| Advanced Electronics Solutions
Segment Reporting [Line Items]
Net sales	14.4	13.5	28.4	26.2
Other APAC \| Elastomeric Material Solutions
Segment Reporting [Line Items]
Net sales	9.2	7.7	16.9	15.7
Other APAC \| Other
Segment Reporting [Line Items]
Net sales	0.2	0.6	0.7	1.2
Total EMEA
Segment Reporting [Line Items]
Net sales	62.4	59.2	118.9	113.4
Total EMEA \| Advanced Electronics Solutions
Segment Reporting [Line Items]
Net sales	38.8	38.3	73.1	73.3
Total EMEA \| Elastomeric Material Solutions
Segment Reporting [Line Items]
Net sales	22.1	19.2	42.8	37.2
Total EMEA \| Other
Segment Reporting [Line Items]
Net sales	1.5	1.7	3.0	2.9
Germany
Segment Reporting [Line Items]
Net sales	21.1	19.5	41.1	36.9
Germany \| Advanced Electronics Solutions
Segment Reporting [Line Items]
Net sales	13.7	13.4	27.1	25.0
Germany \| Elastomeric Material Solutions
Segment Reporting [Line Items]
Net sales	7.2	5.9	13.6	11.5
Germany \| Other
Segment Reporting [Line Items]
Net sales	0.2	0.2	0.4	0.4
Other EMEA
Segment Reporting [Line Items]
Net sales	41.3	39.7	77.8	76.5
Other EMEA \| Advanced Electronics Solutions
Segment Reporting [Line Items]
Net sales	25.1	24.9	46.0	48.3
Other EMEA \| Elastomeric Material Solutions
Segment Reporting [Line Items]
Net sales	14.9	13.3	29.2	25.7
Other EMEA \| Other
Segment Reporting [Line Items]
Net sales	$ 1.3	$ 1.5	$ 2.6	$ 2.5