Employee Benefits

3 Months Ended

Mar. 31, 2017

Compensation and Retirement Disclosure [Abstract]

Employee Benefits

Employee Benefits

Qualified and Nonqualified Defined Benefit Pension Plans

The following table presents the components of our Company-sponsored pension costs for the three months ended March 31:

	Three Months
(in millions)	2017			2016
Service cost	$	1.3		$	1.6
Interest cost	12.8			14.0
Expected return on plan assets	(14.8		)	(14.1		)
Amortization of net pension loss	3.9			3.4
Total periodic pension cost	$	3.2		$	4.9

We expect to contribute $54.1 million to our Company-sponsored pension plans in 2017 of which we have contributed $0.2 million through March 31, 2017.