Pension and Other Postemployment Benefits (Tables)

9 Months Ended

Sep. 30, 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 nine months ended September 30, 2018 and 2017 were (in millions):

	2018			2017
Service cost	$	6.4		$	7.8
Interest cost	5.1			5.4
Expected return on plan assets	(1.8		)	(2.2		)
Amortization of prior service cost	3.3			3.5
Amortization of actuarial losses	4.9			4.8
	$	17.9		$	19.3

Postemployment Arrangements [Member]

Components of Net Periodic Benefit Expense

Postemployment Arrangements

The components of net periodic benefit expense for the nine months ended September 30, 2018 and 2017 were (in millions):

	2018		2017
Service cost	$	3.6	$	3.3
Interest cost	2.7		2.8
Amortization of prior service cost	2.6		2.6
Amortization of actuarial losses	1.3		0.8
	$	10.2	$	9.5