Retirement and Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2020

Retirement Benefits [Abstract]

Components of Net Periodic Cost for Pension and Postretirement Benefits

Components of the net periodic cost for retirement and postretirement benefits for the three months ended March 31, 2020 and 2019 were as follows:

	U.S. Defined Benefit Plans				Non-U.S. Defined Benefit Plans				Postretirement Medical Benefits
(Amounts in millions)	2020		2019		2020		2019		2020		2019
Service cost	$	6.3	$	5.6	$	1.7	$	1.5	$	—	$	—
Interest cost	3.8		4.5		1.6		2.2		0.1		0.2
Expected return on plan assets	(6.7)		(6.5)		(1.2)		(1.9)		—		—
Amortization of prior service cost	—		—		0.1		0.1		—		—
Amortization of unrecognized net loss (gain)	1.7		0.9		1.0		0.7		—		(0.1)
Net periodic cost recognized	$	5.1	$	4.5	$	3.2	$	2.6	$	0.1	$	0.1