Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2024

Retirement Benefits [Abstract]

Components of Net Pension Expense (Income)

The following information details the components of net pension expense (income) for the Company’s defined benefit plans:

Three Months Ended March 31,	2024			2023
Service cost	$	27.8		$	25.0
Interest on projected benefit obligation		33.6			31.1
Expected return on assets		(60.6	)		(57.5	)
Amortization of prior service costs		.3			.3
Recognized actuarial loss		1.2			.7
Net pension expense (income)	$	2.3		$	(.4	)