Restructuring and Business Realignment (Schedule of Restructuring and Related Costs) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Particulate Matter Product Line Strategic Exit [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	$ 0	$ 0
Charge to expense	2,360	3,428
Cash payments	(2,137)	(102)
Utilization, Non-Cash	(188)	(3,326)
Restructuring Reserve, Ending Balance	35	0	$ 0
Canton Facility Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense	13
Design and Development Expense [Member] | Canton Facility Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense	13
Control Devices [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense		2,978	12,530
Control Devices [Member] | Particulate Matter Product Line Strategic Exit [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense	2,360	3,428
Control Devices [Member] | Canton Facility Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	165	2,636	0
Charge to expense	13	2,978	12,530
Cash payments	(85)	(5,449)	(9,894)
Utilization, Non-Cash
Restructuring Reserve, Ending Balance	93	165	2,636
Control Devices [Member] | Cost of Goods Sold [Member] | Particulate Matter Product Line Strategic Exit [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense	1,510	817
Control Devices [Member] | Cost of Goods Sold [Member] | Canton Facility Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense		1,659
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	642	2,611
Control Devices [Member] | Selling, General and Administrative Expenses [Member] | Canton Facility Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense		551
Control Devices [Member] | Design and Development Expense [Member] | Particulate Matter Product Line Strategic Exit [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense	208
Control Devices [Member] | Design and Development Expense [Member] | Canton Facility Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense		768
Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	227	52	656
Charge to expense	290	2,400	603
Cash payments	(517)	(2,225)	(921)
Utilization, Non-Cash			(286)
Restructuring Reserve, Ending Balance	0	227	52
Electronics [Member] | Cost of Goods Sold [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense	37	147
Electronics [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense	210	1,774
Electronics [Member] | Design and Development Expense [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense	43	479
Employee Severance [Member] | Particulate Matter Product Line Strategic Exit [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense	139
Cash payments	(104)
Restructuring Reserve, Ending Balance	35
Employee Severance [Member] | Control Devices [Member] | Canton Facility Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	165	2,636	0
Charge to expense		1,119	8,088
Cash payments	(72)	(3,590)	(5,452)
Utilization, Non-Cash
Restructuring Reserve, Ending Balance	93	165	2,636
Employee Severance [Member] | Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	227	52	520
Charge to expense	50	1,034	(18)
Cash payments	(277)	(859)	(453)
Utilization, Non-Cash			3
Restructuring Reserve, Ending Balance	0	227	52
Accelerated Depreciation [Member] | Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance		0	0
Charge to expense			289
Utilization, Non-Cash			(289)
Restructuring Reserve, Ending Balance			0
Fixed Asset Impairment [Member] | Particulate Matter Product Line Strategic Exit [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	0
Charge to expense	188	3,326
Utilization, Non-Cash	(188)	(3,326)
Restructuring Reserve, Ending Balance		0	0
Contract Termination [Member] | Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	0	17
Charge to expense		452	9
Cash payments		(452)	(26)
Restructuring Reserve, Ending Balance		0	0
Other Restructuring [Member] | Particulate Matter Product Line Strategic Exit [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	0
Charge to expense	2,033	102
Cash payments	(2,033)	(102)
Restructuring Reserve, Ending Balance		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	1,859	4,442
Cash payments	(13)	(1,859)	(4,442)
Utilization, Non-Cash
Restructuring Reserve, Ending Balance			0
Other Restructuring [Member] | Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	0	119
Charge to expense	240	914	323
Cash payments	(240)	(914)	(442)
Restructuring Reserve, Ending Balance	$ 0	$ 0	$ 0