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v3.20.4

Business Realignment and Restructuring (Schedule of Restructuring and Related Costs) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Particulate Matter Product Line Strategic Exit [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Charge to expense | $ 3,428 |  |
Cash payments | (102) |  |
Utilization, Non-Cash | (3,326) |  |
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 | 3,428 |  |
Control Devices [Member] | Canton Facility Restructuring Plan [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance | 2,636 |  |
Charge to expense | 2,978 | 12,530 |
Cash payments | (5,449) | (9,894) |
Utilization, Non-Cash |  |  |
Restructuring Reserve, Ending Balance | 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 | 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 | 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] | 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 | 52 | 656 |
Charge to expense | 2,400 | 603 | 3,539
Cash payments | (2,225) | (921) | (1,703)
Utilization, Non-Cash |  | (286) | (1,180)
Restructuring Reserve, Ending Balance | 227 | 52 | 656
Electronics [Member] | Cost of Goods Sold [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Charge to expense | 147 |  |
Electronics [Member] | Selling, General and Administrative Expenses [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Charge to expense | 1,774 |  |
Electronics [Member] | Design and Development Expense [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Charge to expense | 479 |  |
Employee Termination [Member] | Control Devices [Member] | Canton Facility Restructuring Plan [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance | 2,636 |  |
Charge to expense | 1,119 | 8,088 |
Cash payments | (3,590) | (5,452) |
Utilization, Non-Cash |  |  |
Restructuring Reserve, Ending Balance | 165 | 2,636 |
Employee Termination [Member] | Electronics [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance | 52 | 520 |
Charge to expense | 1,034 | (18) | 1,939
Cash payments | (859) | (453) | (1,419)
Utilization, non-cash |  | 3 |
Restructuring Reserve, Ending Balance | 227 | 52 | 520
Excess and Obsolete Inventory [Member] | Electronics [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance |  |  |
Charge to expense |  |  | 823
Utilization, Non-Cash |  |  | (823)
Excess and Obsolete Inventory [Member] | Electronics [Member] | Cost of Goods Sold [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Charge to expense |  |  | 823
Non-Cash Fixed Asset Charges [Member] | Particulate Matter Product Line Strategic Exit [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Charge to expense | 3,326 |  |
Utilization, Non-Cash | (3,326) |  |
Accelerated Depreciation [Member] | Electronics [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Charge to expense |  | 289 |
Utilization, Non-Cash |  | (289) |
Intangible Impairment [Member] | Electronics [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance |  |  |
Charge to expense |  |  | 200
Utilization, Non-Cash |  |  | (200)
Fixed Asset Impairment [Member] | Electronics [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance |  |  |
Charge to expense |  |  | 157
Utilization, Non-Cash |  |  | (157)
Contract Termination [Member] | Electronics [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance |  | 17 |
Charge to expense | 452 | 9 | 156
Cash payments | (452) | (26) | (139)
Restructuring Reserve, Ending Balance |  |  | 17
Other Restructuring [Member] | Particulate Matter Product Line Strategic Exit [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Charge to expense | 102 |  |
Cash payments | (102) |  |
Other Restructuring [Member] | Control Devices [Member] | Canton Facility Restructuring Plan [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance |  |  |
Charge to expense | 1,859 | 4,442 |
Cash payments | (1,859) | (4,442) |
Utilization, Non-Cash |  |  |
Restructuring Reserve, Ending Balance |  |  |
Other Restructuring [Member] | Electronics [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance |  | 119 |
Charge to expense | 914 | 323 | 264
Cash payments | $ (914) | $ (442) | (145)
Restructuring Reserve, Ending Balance |  |  | $ 119

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