Pension Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Components of net periodic benefit cost

The components of net periodic benefit cost for pension benefits were as follows (in millions):

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2023		2022		2023		2022
Service cost	$	0.5	$	1.1	$	1.6	$	3.2
Interest cost	2.2		1.5		6.7		4.5
Expected return on plan assets	(2.4)		(2.3)		(7.1)		(7.0)
Recognized actuarial loss	—		1.5		0.6		4.4
Other	0.3		0.2		(0.1)		0.2
Settlements and curtailments	0.3		—		0.4		0.3
Net periodic benefit cost	$	0.9	$	2.0	$	2.1	$	5.6