Operating Segment Information (Income by Reportable Segments) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Segment Reporting Information [Line Items]
Net sales	$ 190.5	$ 213.4
Cost of sales	133.5	145.2
Gross margin	57.0	68.2
Inventories, net	143.0	150.9	$ 142.3
Depreciation expense	7.2	6.7
Advanced Electronics Solutions
Segment Reporting Information [Line Items]
Net sales	104.2	122.1
Cost of sales	75.1	87.4
Gross margin	29.1	34.7
Inventories, net	80.5	84.3
Depreciation expense	4.2	4.4
Elastomeric Material Solutions
Segment Reporting Information [Line Items]
Net sales	82.6	85.7
Cost of sales	55.9	54.4
Gross margin	26.7	31.3
Inventories, net	60.7	65.1
Depreciation expense	2.8	2.1
Other
Segment Reporting Information [Line Items]
Net sales	3.7	5.6
Cost of sales	2.5	3.4
Gross margin	1.2	2.2
Inventories, net	1.8	1.5
Depreciation expense	0.2	0.2
Net sales - recognized over time
Segment Reporting Information [Line Items]
Net sales	44.5	53.6
Net sales - recognized over time | Advanced Electronics Solutions
Segment Reporting Information [Line Items]
Net sales	38.9	46.4
Net sales - recognized over time | Elastomeric Material Solutions
Segment Reporting Information [Line Items]
Net sales	2.1	1.8
Net sales - recognized over time | Other
Segment Reporting Information [Line Items]
Net sales	3.5	5.4
Net sales - recognized at a point in time
Segment Reporting Information [Line Items]
Net sales	146.0	159.8
Net sales - recognized at a point in time | Advanced Electronics Solutions
Segment Reporting Information [Line Items]
Net sales	65.3	75.7
Net sales - recognized at a point in time | Elastomeric Material Solutions
Segment Reporting Information [Line Items]
Net sales	80.5	83.9
Net sales - recognized at a point in time | Other
Segment Reporting Information [Line Items]
Net sales	$ 0.2	$ 0.2