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Restructuring and Integration Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Restructuring and integration activities [Roll Forward] |  |  |  |
Exit activity liability, beginning of period | $ 79 |  | $ 179 |
Restructuring and integration costs provided for during the period | 1,891 | [1] | 392 | $ 464
Cash payments | (160) |  | (492) |
Reclassification of environmental and other liabilities | (289) |  |  |
Exit activity liability, end of period | 1,521 |  | 79 | 179
Reclassification of environment liability | (200) |  |  |
Restructuring Costs [Abstract] |  |  |  |
Sales force reduction costs | 900 |  |  |
Employee severance costs | 600 |  |  |
Expected future restructuring costs | 3,400 |  |  |
Soot Sensor Product Line Relocation [Member] |  |  |  |
Restructuring and integration activities [Roll Forward] |  |  |  |
Cash payments | (144) |  | (392) |
Exit activity liability, end of period | 0 |  |  |
Plant Rationalization Programs [Member] |  |  |  |
Restructuring and integration activities [Roll Forward] |  |  |  |
Cash payments | (16) |  | (100) |
Exit activity liability, end of period | 0 |  |  |
Workforce Reduction [Member] |  |  |  |
Restructuring and integration activities [Roll Forward] |  |  |  |
Exit activity liability, beginning of period | 79 |  | 179 |
Restructuring and integration costs provided for during the period | 1,521 | [1] | 0 |
Cash payments | (16) |  | (100) |
Reclassification of environmental and other liabilities | (63) |  |  |
Exit activity liability, end of period | 1,521 |  | 79 | 179
Other Exit Costs [Member] |  |  |  |
Restructuring and integration activities [Roll Forward] |  |  |  |
Exit activity liability, beginning of period | 0 |  | 0 |
Restructuring and integration costs provided for during the period | 370 | [1] | 392 |
Cash payments | (144) |  | (392) |
Reclassification of environmental and other liabilities | (226) |  |  |
Exit activity liability, end of period | $ 0 |  | $ 0 | $ 0
[1] | Included in restructuring and integration costs in 2022 is a $0.2 million increase in environmental cleanup costs related to ongoing monitoring and remediation in connection with the prior closure of our manufacturing operations at our Long Island City, New York location. The environmental liability has been reclassed to accrued liabilities as of December 31, 2022.

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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