Operating Segment Information (Net Sales by Geographic Area) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Net sales	$ 190.5	$ 213.4
Advanced Electronics Solutions
Segment Reporting Information [Line Items]
Net sales	104.2	122.1
Elastomeric Material Solutions
Segment Reporting Information [Line Items]
Net sales	82.6	85.7
Other
Segment Reporting Information [Line Items]
Net sales	3.7	5.6
Total Americas
Segment Reporting Information [Line Items]
Net sales	60.5	59.1
Total Americas | Advanced Electronics Solutions
Segment Reporting Information [Line Items]
Net sales	22.9	21.0
Total Americas | Elastomeric Material Solutions
Segment Reporting Information [Line Items]
Net sales	36.7	37.0
Total Americas | Other
Segment Reporting Information [Line Items]
Net sales	0.9	1.1
United States
Segment Reporting Information [Line Items]
Net sales	56.7	54.5
United States | Advanced Electronics Solutions
Segment Reporting Information [Line Items]
Net sales	22.1	20.4
United States | Elastomeric Material Solutions
Segment Reporting Information [Line Items]
Net sales	33.7	33.1
United States | Other
Segment Reporting Information [Line Items]
Net sales	0.9	1.0
Other Americas
Segment Reporting Information [Line Items]
Net sales	3.8	4.6
Other Americas | Advanced Electronics Solutions
Segment Reporting Information [Line Items]
Net sales	0.8	0.6
Other Americas | Elastomeric Material Solutions
Segment Reporting Information [Line Items]
Net sales	3.0	3.9
Other Americas | Other
Segment Reporting Information [Line Items]
Net sales	0.0	0.1
Total APAC
Segment Reporting Information [Line Items]
Net sales	75.8	87.7
Total APAC | Advanced Electronics Solutions
Segment Reporting Information [Line Items]
Net sales	46.3	58.0
Total APAC | Elastomeric Material Solutions
Segment Reporting Information [Line Items]
Net sales	27.9	27.0
Total APAC | Other
Segment Reporting Information [Line Items]
Net sales	1.6	2.7
China
Segment Reporting Information [Line Items]
Net sales	54.5	56.3
China | Advanced Electronics Solutions
Segment Reporting Information [Line Items]
Net sales	33.6	34.3
China | Elastomeric Material Solutions
Segment Reporting Information [Line Items]
Net sales	19.9	20.4
China | Other
Segment Reporting Information [Line Items]
Net sales	1.0	1.6
Other APAC
Segment Reporting Information [Line Items]
Net sales	21.3	31.4
Other APAC | Advanced Electronics Solutions
Segment Reporting Information [Line Items]
Net sales	12.7	23.7
Other APAC | Elastomeric Material Solutions
Segment Reporting Information [Line Items]
Net sales	8.0	6.6
Other APAC | Other
Segment Reporting Information [Line Items]
Net sales	0.6	1.1
Total EMEA
Segment Reporting Information [Line Items]
Net sales	54.2	66.6
Total EMEA | Advanced Electronics Solutions
Segment Reporting Information [Line Items]
Net sales	35.0	43.1
Total EMEA | Elastomeric Material Solutions
Segment Reporting Information [Line Items]
Net sales	18.0	21.7
Total EMEA | Other
Segment Reporting Information [Line Items]
Net sales	1.2	1.8
Germany
Segment Reporting Information [Line Items]
Net sales	17.4	30.0
Germany | Advanced Electronics Solutions
Segment Reporting Information [Line Items]
Net sales	11.6	21.9
Germany | Elastomeric Material Solutions
Segment Reporting Information [Line Items]
Net sales	5.6	7.9
Germany | Other
Segment Reporting Information [Line Items]
Net sales	0.2	0.2
Other EMEA
Segment Reporting Information [Line Items]
Net sales	36.8	36.6
Other EMEA | Advanced Electronics Solutions
Segment Reporting Information [Line Items]
Net sales	23.4	21.2
Other EMEA | Elastomeric Material Solutions
Segment Reporting Information [Line Items]
Net sales	12.4	13.8
Other EMEA | Other
Segment Reporting Information [Line Items]
Net sales	$ 1.0	$ 1.6