Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2022

Retirement Benefits [Abstract]

Components of Estimated Net Periodic Benefit (Income)/Cost

The components of estimated net pension plan income for the three and six months ended June 30, 2022 and 2021 were as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2022			2021			2022			2021
Interest cost	$	1.9		$	1.5		$	3.7		$	3.1
Expected return on assets		(3.0	)		(3.6	)		(5.8	)		(7.1	)
Amortization, net		0.8			1.0			1.6			1.9
Net pension plan income	$	(0.3	)	$	(1.1	)	$	(0.5	)	$	(2.1	)