Defined Benefit Pension and Other Postretirement Plans (Tables)

3 Months Ended

Dec. 31, 2023

Retirement Benefits [Abstract]

Schedule of Components of Net Periodic Pension Benefit

Net periodic pension benefit includes the following components:

	Pension Benefits
Three Months Ended December 31,	2023		2022
Service cost	$	2	$	2
Interest cost	9		9
Expected return on plan assets	(11)		(11)
Amortization of:
Actuarial gain	—		(1)
Net benefit	$	—	$	(1)