
Pension Obligation and Funded Status
As of December 31	2022	2021
Millions
Accumulated Benefit Obligation	$724.5	$875.5
Change in Benefit Obligation
Obligation, Beginning of Year	$911.7	$965.7
Service Cost	9.3	11.0
Interest Cost	27.2	24.6
Plan Amendments	0.8	—
Plan Curtailments	—	(1.4)
Actuarial Gain (a)	(160.6)	(39.0)
Benefits Paid	(58.9)	(56.5)
Participant Contributions	10.2	7.3
Obligation, End of Year	$739.7	$911.7
Change in Plan Assets
Fair Value, Beginning of Year	$745.7	$759.4
Actual Return on Plan Assets	(130.5)	23.1
Employer Contribution (b)	12.3	19.7
Benefits Paid	(58.9)	(56.5)
Fair Value, End of Year	$568.6	$745.7
Funded Status, End of Year	$(171.1)	$(166.0)

Net Pension Amounts Recognized in Consolidated Balance Sheet Consist of:
Current Liabilities	$(2.1)	$(2.1)
Non-Current Liabilities (c)	$(169.0)	$(163.9)

(b) Includes Participant Contributions noted above, any contributions made by the Company to pension plan trusts and any direct benefit payments made under certain plans.

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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