Pensions (Tables)

3 Months Ended

Mar. 31, 2021

Retirement Benefits [Abstract]

Summary of Components of Net Periodic Pension (Benefit) Expense

The following table summarizes the components of Net periodic pension benefit: 

	U.S. Benefit Plan				Non-U.S. Benefit Plan
	Three Months Ended March 31,				Three Months Ended March 31,
(in millions)	2021		2020		2021		2020
Service cost	$	—	$	—	$	0.1	$	0.1
Interest cost	1.2		1.4		0.2		0.3
Amortization of actuarial loss	1.0		0.8		0.2		0.1
Amortization of prior service cost	—		—		0.0		0.0
Expected return on plan assets	(2.4)		(2.3)		(0.5)		(0.5)
Net periodic pension benefit	$	(0.2)	$	(0.1)	$	—	$	—