Pension Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2024

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,
	2024		2023		2024		2023
Service cost	$	0.4	$	0.5	$	1.2	$	1.6
Interest cost	2.2		2.2		6.5		6.7
Expected return on plan assets	(1.9)		(2.4)		(5.7)		(7.1)
Recognized actuarial loss	0.3		—		0.7		0.6
Other	—		0.3		—		(0.1)
Settlements and curtailments	0.1		0.3		0.4		0.4
Net periodic benefit cost	$	1.1	$	0.9	$	3.1	$	2.1