BENEFIT PLANS

The following sets forth the components of net periodic benefit cost of the Company’s defined benefit plans and for the Company’s other postemployment benefit plans for the three and six months ended June 30, 2017 and 2016:



Defined Benefit Plans	Three Months Ended						Six Months Ended
(in millions)	2017			2016			2017			2016

Service cost	$	3.9		$	3.9		$	7.7		$	7.7
Interest cost	1.8			2.0			3.5			3.8
Expected return on plan assets	(1.2		)	(1.2		)	(2.3		)	(2.4		)
Amortization of prior service credit	(0.1		)	(0.1		)	(0.1		)	(0.1		)
Amortization of net actuarial loss	1.7			1.3			3.3			2.5
Net periodic benefit cost	$	6.1		$	5.9		$	12.1		$	11.5



Other Postemployment Benefit Plans	Three Months Ended				Six Months Ended
(in millions)	2017		2016		2017		2016

Service cost	$	0.1	$	0.1	$	0.2	$	0.2
Interest cost	0.1		0.1		0.2		0.3
Amortization of net actuarial loss	—		0.1		0.1		0.1
Net periodic benefit cost	$	0.2	$	0.3	$	0.5	$	0.6

The following sets forth the information related to the contributions to the Company’s benefit plans for 2017:



(in millions)	Pension Benefits		Other Postemployment Benefits

Actual contributions through June 30, 2017	$	6.1	$	0.2
Expected contributions for the remainder of the year	8.5		0.5
Total expected contributions	$	14.6	$	0.7