Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.4
Accumulated Other Comprehensive Income - Reclassifications out of AOCI (Details) - USD ($)
$ in Thousands
 3 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Prior service credit $ (310,310) $ (306,942)
Other income (deductions), net (2,054) (30,710)
Income (loss) before income taxes 4,959 (26,438)
Income taxes (1,312) 6,628
Net income (loss) 3,647 (19,810)
Reclassification out of Accumulated Other Comprehensive Income | Net investment hedges    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Interest expense (272) (365)
Post-retirement benefit plans    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Net income (loss) (742) (23,415)
Post-retirement benefit plans | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Income (loss) before income taxes (993) (31,013)
Income taxes 251 7,598
Prior service credit | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Prior service credit 91 44
Actuarial losses | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Other income (deductions), net 187 (201)
Settlement loss | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Other income (deductions), net (1,271) (30,856)
Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Income (loss) before income taxes 927 (436)
Income taxes (227) 106
Net income (loss) 700 (330)
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 $ 655 $ (801)