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Defined Benefit Pension and Other Postretirement Plans (Tables)
3 Months Ended
Dec. 31, 2022
Retirement Benefits [Abstract]  
Schedule of Components of Net Periodic Pension Cost
Net periodic pension cost includes the following components:
Three Months Ended December 31,20222021
Service cost$$
Interest cost
Expected return on plan assets(11)(12)
Amortization of:
Actuarial (gain) loss(1)
Net benefit$(1)$—