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OTHER OPERATING INCOME / EXPENSE | 6 Months Ended
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Mar. 31, 2025
Other Income and Expenses [Abstract] |
OTHER OPERATING INCOME / EXPENSE | . OTHER OPERATING INCOME / EXPENSE Other operating (income) expense consisted of the following:
| Three Months Ended March 31, |  | Six Months Ended March 31, |  |
| 2025 |  | 2024 |  | 2025 |  | 2024 |  |  |  |
Acquisition and integration costs | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 70 |  |  |  |  |
Restructuring costs 1 | 1,009 |  |  | 1,368 |  |  | 1,233 |  |  | 2,402 |  |  |  |  |
Startup costs | 558 |  |  | 967 |  |  | 1,117 |  |  | 1,797 |  |  |  |  |
Remediation costs | — |  |  | 369 |  |  | — |  |  | 652 |  |  |  |  |
Other costs | 1,858 |  |  | 1,236 |  |  | 3,152 |  |  | 2,338 |  |  |  |  |
Settlement Agreement 2 | (7,550) |  |  | — |  |  | (7,550) |  |  | — |  |  |  |  |
Resolution and Plea Agreements 3 | — |  |  | 26,500 |  |  | — |  |  | 26,500 |  |  |  |  |
| $ | (4,125) |  |  | $ | 30,440 |  |  | $ | (2,048) |  |  | $ | 33,759 |  |  |  |  |
1 Restructuring costs represent costs incurred in connection with the Company's site closures, site optimization strategy, the in-house integration of the Company’s North American transportation operations and Phase Two of the Company's site optimization program as discussed in Note 8 – Restructuring and Assets Held for Sale.
2 The proceeds received in connection with the settlement agreement with Freese and Nichols, Inc. (the "Settlement Agreement") offset costs incurred to dispose of excess wastewater during previous years in addition to attorneys' fees in previous years and fiscal year 2025. Refer to Note 12 - Contingencies and Commitments for further discussion of the Settlement Agreement. |  |  |  |
3 Amounts relate to the Agreement in Principle, which was subsequently replaced by the Resolution Agreement and Plea Agreement. Refer to Note 12 - Contingencies and Commitments for further discussion of the Resolution Agreement and Plea Agreement. |  |  |  |

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- Definition The entire disclosure for other operating income and other operating expense items. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(d)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1 + Details
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