Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2024

Retirement Benefits [Abstract]

Net Periodic Benefit Costs

Net periodic benefit costs related to the Company’s unfunded supplemental benefit pension plans are summarized as follows:

	Three Months Ended March 31,
(in millions)	2024		2023
Expense:
Interest costs	$	2.4	$	2.5
Amortization of net actuarial loss		0.6		0.5
	$	3.0	$	3.0