Pension Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2022

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 June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Service cost	$	1.1	$	1.5	$	2.1	$	3.1
Interest cost	1.5		1.5		3.0		3.1
Expected return on plan assets	(2.3)		(2.7)		(4.6)		(5.5)
Amortization of prior service cost	—		0.1		—		0.1
Recognized actuarial loss	1.3		2.1		2.9		4.2
Other	—		—		(0.1)		(0.3)
Settlements and curtailments	0.2		—		0.3		0.7
Net periodic benefit cost	$	1.8	$	2.5	$	3.6	$	5.4