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Business Segments - Narrative (Details) $ in Thousands |  |  |  | 3 Months Ended | 9 Months Ended | 13 Months Ended
--- | --- | --- | --- | --- | --- | ---
Nov. 17, 2023 USD ($) | Jun. 30, 2023 USD ($) | Mar. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) segment | Sep. 30, 2023 USD ($) segment | Sep. 30, 2024 USD ($)
Segment Reporting Information |  |  |  |  |  |  |  |
Number of reportable segments | segment |  |  |  |  |  | 2 | 3 |
Proceeds from business dispositions |  |  |  |  |  | $ 0 | $ 7,706 |
Loss on asset divestitures |  |  |  |  |  | 0 | 3,074 |
Gain on sale of former joint venture facility |  |  |  | $ 0 | $ 0 | 3,477 | 0 |
Total net sales |  |  |  | 137,466 | 145,345 | 402,582 | 408,867 |
Exit costs incurred |  |  |  | (188) | (151) | (525) | 2,782 |
Cougar purchase accounting adjustment |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |
Consideration transferred to acquire operating assets | $ 1,644 |  |  |  |  |  |  |
Asset acquisition, contingent consideration, liability | $ 160 |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operations | Bridge Grid Deck Product |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |
Proceeds from business dispositions |  |  |  |  |  | 1,300 |  |
Loss on asset divestitures |  |  |  |  |  | (815) |  |
Total net sales |  |  |  | 921 | $ 283 | 2,888 | $ 3,749 |
Exit costs incurred |  |  |  | $ 0 |  | $ 0 |  | $ 1,476
Personnel expenses |  |  |  |  |  |  |  | 740
Inventory write-down |  |  |  |  |  |  |  | 474
Other exit costs |  |  |  |  |  |  |  | $ 262
Coatings and Measurement |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |
Proceeds from business dispositions |  |  | $ 5,344 |  |  |  |  |
Rail Products |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |
Proceeds from business dispositions |  | $ 2,362 |  |  |  |  |  |
Loss on asset divestitures |  | $ 1,009 | $ 2,065 |  |  |  |  |

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