Pensions (Tables)

3 Months Ended

Mar. 31, 2019

Retirement Benefits [Abstract]

Summary of Components of Net Postretirement Pensions Expense

The following table summarizes the components of net postretirement pension expense:

	U.S. Benefit Plan						Non-U.S. Benefit Plan
	Three Months Ended   March 31,						Three Months Ended   March 31,
(in millions)	2019			2018			2019			2018
Service cost	$	—		$	—		$	0.1		$	0.1
Interest cost	1.7			1.6			0.3			0.3
Amortization of actuarial loss	0.6			0.8			0.2			0.2
Expected return on plan assets	(2.2		)	(2.2		)	(0.5		)	(0.6		)
Net postretirement pension expense	$	0.1		$	0.2		$	0.1		$	—