Quarterly report pursuant to Section 13 or 15(d)

Pension and Other Postretirement Benefit Plans (Tables)

v3.23.1
Pension and Other Postretirement Benefit Plans (Tables)
6 Months Ended
Mar. 31, 2023
Retirement Benefits [Abstract]  
Net Periodic Pension and Other Postretirement Benefit Cost Net periodic pension and other postretirement benefit cost for the plans included the following:
  Three months ended March 31,
  Pension Other Postretirement
  2023 2022 2023 2022
Service cost $ 31  $ $ 19  $ 41 
Interest cost * 105  48  161  103 
Expected return on plan assets * —  —  —  — 
Amortization:        
Prior service credit —  (66) (91) (91)
Net actuarial loss * (6) 91  (177) — 
Net benefit cost $ 130  $ 78  $ (88) $ 53 

  Six months ended March 31,
  Pension Other Postretirement
  2023 2022 2023 2022
Service cost $ 88  $ 385  $ 38  $ 82 
Interest cost * 248  1,038  322  206 
Expected return on plan assets * —  (1,042) —  — 
Amortization:        
Prior service credit —  (19) (182) (182)
Net actuarial loss * (16) 292  (354) — 
Settlement losses * 1,271  30,856  —  — 
Net benefit cost $ 1,591  $ 31,510  $ (176) $ 106 
* Non-service components of pension and postretirement expense are included in other income (deductions), net.