Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income - Reclassifications out of AOCI (Details)

v3.25.0.1
Accumulated Other Comprehensive Income - Reclassifications out of AOCI (Details) - USD ($)
$ in Thousands
 3 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Sep. 30, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Prior service credit $ (276,150) $ (317,633)  
Other income (deductions), net 4,178 (880)  
Loss before income taxes (5,830) (3,029)  
Income taxes 2,358 726  
Net loss (3,472) (2,303)  
Other current liabilities 144,684   $ 148,151
Reclassification out of Accumulated Other Comprehensive Income | Net investment hedges      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Interest expense 354 259  
Post-retirement benefit plans | Reclassification out of Accumulated Other Comprehensive Income      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Loss before income taxes 230 282  
Income taxes (58) (71)  
Net loss 172 211  
Prior service credit | Reclassification out of Accumulated Other Comprehensive Income      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Prior service credit 91 91  
Actuarial losses | Reclassification out of Accumulated Other Comprehensive Income      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Other income (deductions), net 139 191  
Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Loss before income taxes 822 918  
Income taxes (204) (230)  
Net loss 618 688  
Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income | Cash flow hedges      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Interest expense 468 659  
Other | Reclassification out of Accumulated Other Comprehensive Income | Divestitures      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Other current liabilities $ (6,844) $ 0