Pension and Other Post-Employment Plans (Tables)

6 Months Ended

Jun. 30, 2020

Retirement Benefits [Abstract]

Summary of Components of Net Periodic Pension (Benefit) Expense

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

	U.S. Benefit Plan								Non-U.S. Benefit Plan
	Three Months Ended June 30,				Six Months Ended June 30,				Three Months Ended June 30,				Six Months Ended June 30,
(in millions)	2020		2019		2020		2019		2020		2019		2020		2019
Service cost	$	—	$	—	$	—	$	—	$	—	$	—	$	0.1	$	0.1
Interest cost	$	1.4	1.7		2.8		3.4		0.2		0.4		0.5		0.7
Amortization of actuarial loss	0.8		0.6		1.6		1.2		0.1		0.1		0.2		0.3
Amortization of prior service cost	—		—		—		—		0.1		0.1		0.1		0.1
Expected return on plan assets	(2.3)		(2.2)		(4.6)		(4.4)		(0.4)		(0.5)		(0.9)		(1.0)
Net periodic pension (benefit) expense	$	(0.1)	$	0.1	(0.2)		0.2		$	—	$	0.1	—		0.2