Retirement Plans

3 Months Ended

Mar. 31, 2023

Retirement Benefits [Abstract]

Retirement Plans

Note 6. Retirement Plans

The components of estimated net pension plan income for the three months ended March 31, 2023 and 2022 were as follows:

	Three Months Ended March 31,
	2023			2022
Interest cost	$	2.9		$	1.8
Expected return on assets		(3.3	)		(2.8	)
Amortization, net		0.2			0.8
Net pension plan income	$	(0.2	)	$	(0.2	)