Retirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2022

The following tables provide the components of net periodic benefit costs for the three and nine-month periods ended September 30, 2022 and 2021:


	Employees'		Select Executive		Postretirement
	Pension		Retirement		Benefit
	Plan		Plan		Plans
Net Periodic Cost
For the Three Months Ended September 30, 2022:
Service Cost 1	$	469	$	208	$	23
Interest Cost 2	360		57		61


Expected Return on Plan Assets 2	(1,078)		—		—
Amortization of Prior Service Cost 2	19		11		27
Amortization of Net Loss (Gain) 2	550		53		(39)
Net Periodic Cost	$	320	$	329	$	72

Plan Contributions During the Period	$	—	$	116	$	43

For the Three Months Ended September 30, 2021:
Service Cost 1	$	484	$	146	$	27
Interest Cost 2	340		48		62
Expected Return on Plan Assets 2	(945)		—		—
Amortization of Prior Service Cost 2	20		12		27
Amortization of Net Loss (Gain) 2	—		44		(22)
Net Periodic (Benefit) Cost	$	(101)	$	250	$	94

Plan Contributions During the Period	$	—	$	118	$	32

Net Periodic Benefit Cost
For the Nine Months Ended September 30, 2022:
Service Cost 1	$	1,408	$	626	$	68
Interest Cost 2	1,079		169		185
Expected Return on Plan Assets 2	(3,235)		—		—
Amortization of Prior Service Cost 2	58		33		80
Amortization of Net Loss (Gain) 2	550		159		(117)
Net Periodic (Benefit) Cost	$	(140)	$	987	$	216

Plan Contributions During the Period	$	—	$	347	$	131

Estimated Future Contributions in the Current Fiscal Year	$	—	$	116	$	43

For the Nine Months Ended September 30, 2021:
Service Cost 1	$	1,451	$	437	$	82
Interest Cost 2	1,023		143		186
Expected Return on Plan Assets 2	(2,835)		—		—
Amortization of Prior Service Cost 2	59		36		80
Amortization of Net Loss (Gain) 2	—		134		(66)
Net Periodic (Benefit) Cost	$	(302)	$	750	$	282

Plan Contributions During the Period	$	—	$	354	$	87

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