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Industry Segments (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 USD ($) Segment | Mar. 31, 2023 USD ($)
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Number of operating segments | Segment |  | 3 |
Net sales | [1] | $ 331,403 | $ 328,028
Operating Income (Loss) |  | 14,619 | 20,746
Vehicle Control [Member] | Reportable Segments [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Net sales | [1] | 185,524 | 184,577
Operating Income (Loss) |  | 15,540 | 17,375
Temperature Control [Member] | Reportable Segments [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Net sales | [1] | 71,608 | 72,406
Operating Income (Loss) |  | 2,031 | 2,084
Engineered Solutions [Member] | Reportable Segments [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Net sales | [1] | 74,271 | 71,045
Operating Income (Loss) |  | 2,232 | 5,647
Other [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Net sales | [1] | 0 | 0
Operating Income (Loss) |  | $ (5,184) | $ (4,360)
[1] | There are no intersegment sales among our Vehicle Control, Temperature Control and Engineered Solutions operating segments.

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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-18 + Details
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