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Restructuring and Business Realignment (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Electronics [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | $ 290 | $ 2,400 | $ 603
Control Devices [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense |  | 2,978 | 12,530
Particulate Matter Product Line Strategic Exit [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 2,360 | 3,428 |
Particulate Matter Product Line Strategic Exit [Member] | Control Devices [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 2,360 | 3,428 |
Particulate Matter Product Line Strategic Exit [Member] | Control Devices [Member] | Maximum [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Estimated total cost | 4,200 |  |
Canton Facility Restructuring Plan [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 13 |  |
Canton Facility Restructuring Plan [Member] | Control Devices [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 13 | 2,978 | 12,530
Employee Severance [Member] | Electronics [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 50 | 1,034 | (18)
Employee Severance [Member] | Particulate Matter Product Line Strategic Exit [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 139 |  |
Employee Severance [Member] | Canton Facility Restructuring Plan [Member] | Control Devices [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense |  | 1,119 | 8,088
Fixed Asset Impairment [Member] | Particulate Matter Product Line Strategic Exit [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 188 | 3,326 |
Other Restructuring [Member] | Electronics [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 240 | 914 | 323
Other Restructuring [Member] | Particulate Matter Product Line Strategic Exit [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 2,033 | 102 |
Other Restructuring [Member] | Canton Facility Restructuring Plan [Member] | Control Devices [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 13 | 1,859 | 4,442
Contract Termination [Member] | Electronics [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense |  | 452 | 9
Selling, General and Administrative Expenses [Member] | Electronics [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 210 | 1,774 |
Selling, General and Administrative Expenses [Member] | Particulate Matter Product Line Strategic Exit [Member] | Control Devices [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 642 | 2,611 |
Selling, General and Administrative Expenses [Member] | Canton Facility Restructuring Plan [Member] | Canton Facility [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense |  |  | 1,526
Selling, General and Administrative Expenses [Member] | Canton Facility Restructuring Plan [Member] | Control Devices [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense |  | 551 |
Cost of Goods Sold [Member] | Electronics [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 37 | 147 |
Cost of Goods Sold [Member] | Particulate Matter Product Line Strategic Exit [Member] | Control Devices [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 1,510 | 817 |
Cost of Goods Sold [Member] | Canton Facility Restructuring Plan [Member] | Canton Facility [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense |  |  | 7,625
Cost of Goods Sold [Member] | Canton Facility Restructuring Plan [Member] | Control Devices [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense |  | 1,659 |
Design and Development Expense [Member] | Electronics [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 43 | 479 |
Design and Development Expense [Member] | Particulate Matter Product Line Strategic Exit [Member] | Control Devices [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 208 |  |
Design and Development Expense [Member] | Canton Facility Restructuring Plan [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | $ 13 |  |
Design and Development Expense [Member] | Canton Facility Restructuring Plan [Member] | Canton Facility [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense |  |  | $ 3,379
Design and Development Expense [Member] | Canton Facility Restructuring Plan [Member] | Control Devices [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense |  | $ 768 |

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