Pension and Other Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2020

Retirement Benefits [Abstract]

Schedule of components of net periodic benefit cost for defined benefit plans and postretirement plans other than pensions

The following table presents the components of net periodic benefit cost for the Company’s defined benefit plans and postretirement plans other than pensions:

Components of Net Periodic Benefit Cost for Defined Benefit Plans 

	Pension Benefits						Postretirement Benefits Other than Pensions
	Three Months Ended March 31,
	2020			2019			2020		2019
Service cost	$	1.2		$	1.3		$	0.3	$	0.3
Interest cost	3.5			4.1			0.2		0.4
Expected return on plan assets (a)	(5.2		)	(5.0		)	—		—
Recognized net actuarial loss	1.3			1.5			0.2		0.2
Amortization of prior service benefit	0.1			0.1			—		—
Net periodic benefit cost	$	0.9		$	2.0		$	0.7	$	0.9

(a) The expected return on plan assets is determined by multiplying the fair value of plan assets at the prior year-end (adjusted for estimated current year cash benefit payments and contributions) by the expected long-term rate of return. The Dutch pension plan is funded through an insurance contract, and the expected return on plan assets is calculated based on the discount rate of the insured obligations.