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Industry Segments (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) Segment | Jun. 30, 2023 USD ($)
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |
Number of operating segments | Segment |  |  |  | 3 |
Net sales | [1] | $ 389,829 | $ 353,075 | $ 721,232 | $ 681,103
Operating Income |  | 24,986 | 27,178 | 39,605 | 47,924
Vehicle Control [Member] | Reportable Segments [Member] |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |
Net sales | [1] | 188,741 | 183,789 | 374,265 | 368,366
Operating Income |  | 15,116 | 19,273 | 30,656 | 36,648
Temperature Control [Member] | Reportable Segments [Member] |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |
Net sales | [1] | 124,481 | 97,074 | 196,089 | 169,480
Operating Income |  | 13,197 | 5,800 | 15,228 | 7,884
Engineered Solutions [Member] | Reportable Segments [Member] |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |
Net sales | [1] | 76,607 | 72,212 | 150,878 | 143,257
Operating Income |  | 5,812 | 6,163 | 8,044 | 11,810
Other [Member] |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |
Net sales | [1] | 0 | 0 | 0 | 0
Operating Income |  | $ (9,139) | $ (4,058) | $ (14,323) | $ (8,418)
[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/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 49 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-49 Reference 2: 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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