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Restructuring and Related Activities - Restructuring Charges by Segment (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2024	Sep. 30, 2023	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Restructuring Cost and Reserve
Restructuring charges	$ (0.1)		$ 0.6	$ 1.4	$ 1.6
Restructuring and Related Cost, Incurred Cost				2.7
Gain (Loss) on Disposition of Assets	1.1		4.8	1.1	4.8
Severance Pay and Contract Termination and Other Costs
Restructuring Cost and Reserve
Restructuring charges	0.2		(1.1)	2.7	0.0
Severance Pay and Benefits
Restructuring Cost and Reserve
Restructuring and Related Cost, Incurred Cost				2.7
Contract Termination and Other Costs
Restructuring Cost and Reserve
Restructuring and Related Cost, Incurred Cost				0.0
Consumer MEMS Microphones
Restructuring Cost and Reserve
Gain (Loss) on Disposition of Assets	1.1	$ 5.3	(5.7)	1.1
Operating Segments | Precision Devices
Restructuring Cost and Reserve
Restructuring charges	0.2		0.0	2.7	0.0
Operating Segments | Consumer MEMS Microphones
Restructuring Cost and Reserve
Restructuring charges	0.0		(1.1)	0.0	(0.3)
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve
Restructuring charges				0.0	0.3
Corporate, Non-Segment [Member] | Corporate, Non-Segment [Member]
Restructuring Cost and Reserve
Restructuring charges	0.0		0.0
Cost of Goods Sold, Restructuring Charges
Restructuring Cost and Reserve
Gain (Loss) on Disposition of Assets	0.0		(0.9)
Cost of Goods Sold, Restructuring Charges | Severance Pay and Contract Termination and Other Costs
Restructuring Cost and Reserve
Restructuring charges	0.3		(1.7)	1.3	(1.6)
Cost of Goods Sold, Restructuring Charges | Consumer MEMS Microphones
Restructuring Cost and Reserve
Gain (Loss) on Disposition of Assets			0.9
Cost of Goods Sold, Restructuring Charges | Consumer MEMS Microphones | Contract Termination [Member]
Restructuring Cost and Reserve
Restructuring charges			0.8
Operating Expense | Severance Pay and Contract Termination and Other Costs
Restructuring Cost and Reserve
Restructuring charges			0.6	1.4	1.6
Restructuring Charges | Severance Pay and Benefits | Precision Devices
Restructuring Cost and Reserve
Restructuring charges	0.3			1.0
Restructuring Charges | Precision Devices | Severance Pay and Benefits
Restructuring Cost and Reserve
Restructuring charges	$ (0.1)			$ 1.7
Restructuring Charges | Consumer MEMS Microphones | Severance Pay and Benefits | MEMS Microphones product line
Restructuring Cost and Reserve
Restructuring charges			$ 0.6		1.4
Restructuring Charges | Corporate, Non-Segment [Member] | Other Restructuring
Restructuring Cost and Reserve
Restructuring charges					$ 0.3

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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