Income Taxes - Income before Tax, Domestic and Foreign (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Document Fiscal Year Focus		2022
Components of Earnings before Income Tax [Abstract]
Domestic		$ (410.1)	$ 15.5	$ (26.2)
Foreign		(8.1)	89.1	37.5
(Loss) earnings before income taxes	[1]	(418.2)	104.6	11.3
Unrecognized Tax Benefits, Income Tax Penalties Accrued		0.1	$ 0.3	$ 0.3
Unrecognized Tax Benefits that Would Impact Effective Tax Rate		2.5
Income Tax Holiday [Line Items]
Undistributed earnings of foreign subsidiaries		$ 1,100.0

[1]  Years Ended December 31,(in millions)202220212020Revenues:Precision Devices$242.9 $201.1 $173.1 MedTech & Specialty Audio229.9 231.3 173.6 Consumer MEMS Microphones291.9 435.7 417.6 Total revenues$764.7 $868.1 $764.3 (Loss) earnings from continuing operations before interest and income taxes:Precision Devices$56.1 $43.7 $31.7 MedTech & Specialty Audio84.6 77.0 22.3 Consumer MEMS Microphones(504.5)60.0 22.6 Total segments(363.8)180.7 76.6 Corporate expense / other50.5 61.9 48.9 Interest expense, net3.9 14.2 16.4 (Loss) earnings before income taxes and discontinued operations(418.2)104.6 11.3 Provision for (benefit from) income taxes11.9 (45.6)8.4 (Loss) earnings from continuing operations$(430.1)$150.2 $2.9 Depreciation and amortization:Precision Devices$13.8 $13.3 $10.5 MedTech & Specialty Audio8.1 6.3 6.0 Consumer MEMS Microphones29.5 39.9 41.0 Corporate2.5 3.0 3.1 Total$53.9 $62.5 $60.6 Capital expenditures:Precision Devices$7.4 $5.6 $9.6 MedTech & Specialty Audio7.3 11.6 8.0 Consumer MEMS Microphones17.2 29.2 13.9 Corporate0.2 2.2 0.4 Total$32.1 $48.6 $31.9 Research and development:Precision Devices$12.3 $10.5 $6.7 MedTech & Specialty Audio16.9 16.1 14.6 Consumer MEMS Microphones52.4 65.7 70.0 Corporate0.1 0.5 1.6 Total$81.7 $92.8 $92.9