Quarterly report pursuant to Section 13 or 15(d)

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

v3.24.0.1
Accumulated Other Comprehensive Income - Reclassifications out of AOCI (Details) - USD ($)
$ in Thousands
 3 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Prior service credit $ (317,633) $ (310,310)
Other income (deductions), net (880) (2,054)
(Loss) income before income taxes (3,029) 4,959
Income taxes 726 (1,312)
Net (loss) income (2,303) 3,647
Reclassification out of Accumulated Other Comprehensive Income | Net investment hedges    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Interest income (expense) 259 272
Post-retirement benefit plans | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
(Loss) income before income taxes 282 (993)
Income taxes (71) 251
Net (loss) income 211 (742)
Prior service credit | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Prior service credit 91  
Actuarial losses | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Other income (deductions), net 191 187
Settlement loss | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Other income (deductions), net 0 (1,271)
Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
(Loss) income before income taxes 918 927
Income taxes (230) (227)
Net (loss) income 688 700
Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income | Cash flow hedges    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Interest income (expense) $ 659 $ 655