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Business Segments - Narrative (Details) $ in Thousands |  |  |  | 3 Months Ended | 6 Months Ended | 9 Months Ended | 10 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 28, 2024 USD ($) | Nov. 17, 2023 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) segment | Jun. 30, 2023 USD ($) | Sep. 30, 2023 segment | Jun. 30, 2024 USD ($)
Segment Reporting Information |  |  |  |  |  |  |  |  |
Number of reportable segments | segment |  |  |  |  |  | 2 |  | 3 |
Proceeds from business dispositions |  |  |  |  |  | $ 0 | $ 7,706 |  |
Gain (loss) on asset divestiture |  |  |  |  |  | 0 | (3,074) |  |
Total net sales |  |  |  | $ 140,796 | $ 148,034 | 265,116 | 263,522 |  |
Exit costs incurred |  |  |  | (152) | 719 | (3,688) | 2,546 |  |
Cougar purchase accounting adjustment |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |
Consideration transferred to acquire operating assets |  | $ 1,644 |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operations | Bridge Grid Deck Product |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |
Proceeds from business dispositions | $ 1,300 |  |  |  |  |  |  |  |
Gain (loss) on asset divestiture | $ 815 |  |  |  |  |  |  |  |
Total net sales |  |  |  | 1,157 | 1,975 | 1,967 | 3,466 |  |
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 |  |  |  |  |  |
Gain (loss) on asset divestiture |  |  |  |  | $ (1,009) | $ (2,065) | $ (1,009) |  |

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