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OTHER OPERATING INCOME / EXPENSE (Tables)
 6 Months Ended
Mar. 31, 2025
Other Income and Expenses [Abstract]  
Schedule of Other Operating Expense
Other operating (income) expense consisted of the following:

Three Months Ended
March 31,		Six Months Ended
March 31,
2025202420252024
Acquisition and integration costs$— $— $— $70 
Restructuring costs 1
1,009 1,368 1,233 2,402 
Startup costs558 967 1,117 1,797 
Remediation costs— 369 — 652 
Other costs1,858 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 
1Restructuring 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.
2The 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.
 3Amounts 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.