Retirement Benefit obligations (Tables)

9 Months Ended

Sep. 30, 2023

Key Weighted Average Assumptions Used in Determining Benefit Plan Costs and Obligations

The following table includes the key weighted average assumptions used in determining the Company’s benefit plan costs and obligations:

Used to Determine Plan Costs	2023			2022
Discount Rate		5.25	%		2.85	%
Rate of Compensation Increase		3.00	%		3.00	%
Expected Long-term rate of return on plan assets		7.50	%		7.50	%

Components of Retirement Plan Costs

The following tables provide the components of the Company’s Retirement plan costs ($000’s):

	Pension Plan						PBOP Plan						SERP
For the Three Months Ended September 30,	2023			2022			2023			2022			2023			2022
Service Cost	$	522		$	792		$	374		$	723		$	63		$	69
Interest Cost		1,870			1,372			724			798			188			118
Expected Return on Plan Assets		(2,673	)		(2,722	)		(852	)		(853	)		—			—
Prior Service Cost Amortization		90			89			198			273			14			14
Actuarial Loss Amortization		—			1,376			(366	)		255			—			196
Sub-total		(191	)		907			78			1,196			265			397
Amounts Capitalized and Deferred		333			(345	)		82			(655	)		(82	)		(117	)
Net Periodic Benefit Cost Recognized	$	142		$	562		$	160		$	541		$	183		$	280

	Pension Plan						PBOP Plan						SERP
For the Nine Months Ended September 30,	2023			2022			2023			2022			2023			2022
Service Cost	$	1,568		$	2,374		$	1,120		$	2,167		$	188		$	205
Interest Cost		5,610			4,114			2,174			2,396			565			354
Expected Return on Plan Assets		(8,017	)		(8,162	)		(2,556	)		(2,561	)		—			—
Prior Service Cost Amortization		267			267			595			819			42			42
Actuarial Loss Amortization		—			4,130			(1,098	)		765			—			595
Sub-total		(572	)		2,723			235			3,586			795			1,196
Amounts Capitalized and Deferred		1,197			(810	)		415			(1,788	)		(246	)		(354	)
Net Periodic Benefit Cost Recognized	$	625		$	1,913		$	650		$	1,798		$	549		$	842