Pension and Other Postemployment Benefits (Tables)

3 Months Ended

Mar. 31, 2018

Defined Benefit Pension Plans [Member]

Components of Net Periodic Benefit Expense

Defined Benefit Pension Plans

The components of net periodic benefit expense for the three months ended March 31, 2018 and 2017 were (in millions):

	2018			2017
Service cost	$	2.0		$	2.3
Interest cost	1.9			1.8
Expected return on plan assets	(0.7		)	(0.7		)
Amortization of prior service cost	1.1			1.1
Amortization of actuarial losses	1.6			1.6
	$	5.9		$	6.1

Postemployment Arrangements [Member]

Components of Net Periodic Benefit Expense

Postemployment Arrangements

The components of net periodic benefit expense for the three months ended March 31, 2018 and 2017 were (in millions):

	2018		2017
Service cost	$	1.2	$	1.1
Interest cost	1.0		0.9
Amortization of prior service cost	0.9		0.9
Amortization of actuarial losses	0.4		0.3
	$	3.5	$	3.2