Business Realignment and Restructuring (Schedule of Restructuring and Related Costs) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Control Devices [Member] | Particulate Matter Product Line Strategic Exit [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance		$ 35	$ 0
Charge to expense	$ 675		2,329
Cash payments		(35)	(2,141)
Utilization, Non-Cash			(188)
Restructuring Reserve, Ending Balance	0	0	0
Control Devices [Member] | Canton Facility Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance		93	165
Charge to expense			13
Cash payments		(93)	(38)
Restructuring Reserve, Ending Balance	140	0	140
Control Devices [Member] | Cost of Goods Sold [Member] | Particulate Matter Product Line Strategic Exit [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense	605		1,505
Control Devices [Member] | Selling, General and Administrative Expenses [Member] | Particulate Matter Product Line Strategic Exit [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense	(31)		642
Control Devices [Member] | Design and Development Expense [Member] | Particulate Matter Product Line Strategic Exit [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense	101		182
Control Devices [Member] | Design and Development Expense [Member] | Canton Facility Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense			13
Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance			227
Charge to expense	36		256
Cash payments			(418)
Restructuring Reserve, Ending Balance	65		65
Electronics [Member] | Cost of Goods Sold [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense	34		37
Electronics [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense	2		176
Electronics [Member] | Design and Development Expense [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense			43
Employee Severance [Member] | Control Devices [Member] | Particulate Matter Product Line Strategic Exit [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance		35	0
Charge to expense			139
Cash payments		(35)	(139)
Restructuring Reserve, Ending Balance	0	0	0
Employee Severance [Member] | Control Devices [Member] | Canton Facility Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance		93	165
Cash payments		(93)	(25)
Restructuring Reserve, Ending Balance	140	0	140
Employee Severance [Member] | Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance			227
Charge to expense			50
Cash payments			(212)
Restructuring Reserve, Ending Balance	65		65
Fixed Asset Impairment [Member] | Control Devices [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense			2,329
Fixed Asset Impairment [Member] | Control Devices [Member] | Particulate Matter Product Line Strategic Exit [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance		0	0
Charge to expense			188
Utilization, Non-Cash			(188)
Restructuring Reserve, Ending Balance	0	0	0
Other Restructuring [Member] | Control Devices [Member] | Particulate Matter Product Line Strategic Exit [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance		0	0
Charge to expense			2,002
Cash payments			(2,002)
Restructuring Reserve, Ending Balance	0	0	0
Other Restructuring [Member] | Control Devices [Member] | Canton Facility Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance		0	0
Charge to expense			13
Cash payments			(13)
Restructuring Reserve, Ending Balance	$ 0	$ 0	0
Other Restructuring [Member] | Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense			206
Cash payments			$ (206)