v3.26.1
PROPERTY, PLANT AND EQUIPMENT - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Property, Plant, and Equipment [Line Items]        
Depreciation and amortization expense $ 6,581 $ 6,013 $ 18,820 $ 17,842
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense        
Property, Plant, and Equipment [Line Items]        
Depreciation and amortization expense $ 2,347 $ 2,512 $ 6,910 $ 7,476