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ACQUISITIONS - Narrative (Details) $ in Millions |  | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 USD ($) | Dec. 31, 2022 USD ($) business
Freight Segment |  |
Business Acquisition [Line Items] |  |
Number of businesses acquired |  | 3
Digital Electronics | Freight Segment |  |
Business Acquisition [Line Items] |  |
Business combination, consideration transferred | $ |  | $ 89
Digital Electronics Product Line | Freight Segment |  |
Business Acquisition [Line Items] |  |
Number of businesses acquired |  | 2
Services Product Line | Freight Segment |  |
Business Acquisition [Line Items] |  |
Number of businesses acquired |  | 1
Nordco |  |
Business Acquisition [Line Items] |  |
Business combination, consideration transferred | $ | $ 410 |
Percentage of voting interests acquired | 100.00% |

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