Retirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2024

Schedule of Defined Benefit Plans Disclosures

The following tables provide the components of net periodic benefit costs for the three-month and nine-month periods ended September 30, 2024 and 2023:


	Employees'		Select Executive		Postretirement
	Pension		Retirement		Benefit
	Plan		Plan		Plans
Net Periodic Benefit Cost
For the Three Months Ended September 30, 2024:
Service Cost 1	$	423	$	20	$	11
Interest Cost (Benefit) 2	562		(157)		79
Expected Return on Plan Assets 2	(928)		237		—
Amortization of Prior Service Cost 2	32		9		26
Amortization of Net Gain 2	—		6		(84)
Net Periodic Cost	$	89	$	115	$	32

Plan Contributions During the Period	$	—	$	127	$	31

For the Three Months Ended September 30, 2023:
Service Cost 1	$	398	$	143	$	14
Interest Cost 2	524		85		82
Expected Return on Plan Assets 2	(854)		—		—
Amortization of Prior Service Cost 2	16		9		26
Amortization of Net Loss (Gain) 2	30		18		(88)
Net Periodic Cost	$	114	$	255	$	34

Plan Contributions During the Period	$	—	$	99	$	28

Net Periodic Benefit Cost
For the Nine Months Ended September 30, 2024:
Service Cost 1	$	1,269	$	59	$	34
Interest Cost 2	1,682		3		239
Expected Return on Plan Assets 2	(2,783)		237		—
Amortization of Prior Service Cost 2	98		29		77
Amortization of Net Loss (Gain) 2	—		18		(253)
Net Periodic Cost	$	266	$	346	$	97

Plan Contributions During the Period	$	—	$	382	$	112

Estimated Future Contributions in the Current Fiscal Year	$	—	$	127	$	37

For the Nine Months Ended September 30, 2023:
Service Cost 1	$	1,195	$	428	$	42
Interest Cost 2	1,573		244		249
Expected Return on Plan Assets 2	(2,562)		—		—
Amortization of Prior Service Cost 2	47		29		78
Amortization of Net Loss (Gain) 2	89		55		(265)
Net Periodic Cost	$	342	$	756	$	104

Plan Contributions During the Period	$	—	$	325	$	75

Footnotes:

1. Included in Salaries and Employee Benefits on the Consolidated Statements of Income

2. Included in Other Operating Expense on the Consolidated Statements of Income