PENSION AND OTHER POST-RETIREMENT PLANS

6 Months Ended

Jun. 30, 2016

PENSION AND OTHER POST-RETIREMENT PLANS

PENSION AND OTHER POST-RETIREMENT PLANS

5.PENSION AND OTHER POST-RETIREMENT PLANS

The Company sponsors qualified defined benefit pension and other post-retirement plans (collectively, the “Plans”).  The following table provides the components of net periodic benefit cost (benefit) for the Plans for the six months ended June 30, 2016 and 2015 (in millions):

	Pension Benefits				Other Post-retirement Benefits
	June 30,				June 30,
Components of Net Periodic Benefit Cost:	2016		2015		2016		2015
Service cost	$	2.0	$	1.7	$	0.8	$	0.8
Interest cost		4.8		4.8		1.4		1.3
Expected return on plan assets		(6.7)		(6.9)		—		—
Amortization of net loss		2.6		3.2		0.6		1.2
Amortization of prior service cost		(1.1)		(1.2)		—		—
Net periodic benefit cost	$	1.6	$	1.6	$	2.8	$	3.3

During the six months ended June 30, 2016, the Company contributed $3.1 million to its defined benefit pension plans, out of total expected contributions of $7.5 million for 2016.