Pension and Other Postemployment Benefits (Tables)

3 Months Ended

Mar. 31, 2017

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, 2017 and 2016 were (in millions):

	2017			2016
Service cost	$	2.3		$	2.0
Interest cost	1.8			1.7
Expected return on plan assets	(0.7		)	(0.7		)
Amortization of prior service cost	1.1			1.1
Amortization of actuarial losses	1.6			1.2
	$	6.1		$	5.3

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, 2017 and 2016 were (in millions):

	2017		2016
Service cost	$	1.1	$	1.0
Interest cost	0.9		0.9
Amortization of prior service cost	0.9		0.7
Amortization of actuarial losses	0.3		0.3
	$	3.2	$	2.9